Fclk frequency for 3600mhz ram. 100v, set CLDO_VDDP to 0.

Fclk frequency for 3600mhz ram DDR4-3200 16-20-40-1. Everything above 3600MHz RAM speed increases latency on ZEN 3 at the moment. Apr 6, 2022 · CSM enabled, under AI Tweaker set memory frequency to ddr4-3600 and set FCLK Frequency to 1800MHz. 35v, but it only gives me a massage saying that there was a problem with the overclock and that i have to go to the bios again, also tried XMP 1 and 2. One thing to remember though is that if your 5800X can do much higher FCLK than the ram's max clock, you may be able to have better performance running UCLK/MCLK out of sync with FCLK since the ram MT/s is so low. Feb 18, 2020 · If it's unstable, try tweaking with voltages and timings. For May 12, 2023 · Is there a maximum ram frequency you should aim for on a Ryzen 5000-series processor? Most Ryzen 5000 chips have a max FCLK around 1900. Nov 18, 2022 · My friend said he's running his MSI B550-A Pro with the Ryzen 5600 and 3600MHz RAM. Note the "marketing number" for DDRx-RAM is just 2x the actual clock speed. 3600MHz is the sweet spot and any higher will only give like 1-2 FPS more, Jun 20, 2021 · With Ryzen 5000 CPUs and DDR4-4000 Ram, the FCLK frequency should be 2000MHz at a 1:1 ratio between the Infinity Fabric Clock and Memory Clock to provide the best and optimised performance. Again, Ryzen really likes 3600MHz with very tight timings, and getting a higher frequency than 3600MHz to run is an achievement. Jul 15, 2021 · Looks like its not even booting with that high of FCLK. The ram voltage is still set at its auto 1. Looking back, Ryzen 3000's FCLK typically hits a wall at 1,800 MHz, Oct 29, 2019 · You have to adjust the FCLK frequency. 100v, set CLDO_VDDP to 0. For ramspeed 3200 or worse, it's usually beneficial to up the FCLK to max u can get- so like 1800/1900. Just remember to set the FCLK frequency in the bios to half the frequency that you set your RAM frequency to, to support the 1:1 ratio between the ram and your CPU. . By default it's set on FCLK 2000mhz. 35v. It also has better stability and compatibility because 2000 MHz FCLK is difficult to get running stable and a lot of boards just won't do it. Hallock believes that DDR5-6000 will be the sweet spot for Zen 4 based on cost, Jun 24, 2021 · I have a ryzen 7 3700x and 4x8GBS of 3600mhz corsair vengance pro ram. Feb 8, 2023 · That RAM Module runs at 1800MHz Frequency (not at 3600mhz!) That RAM Module transfers 3600mt/s (two transfers per clock, 1800 * 2), hence the “3600” in its Product name. Jul 8, 2019 · This is a brief summary with limited testing to highlight changes to memory and fabric behavior on Zen 2 (Matisse). and set the frequency Nov 7, 2020 · For people trying to run their ram at their rated speed, try setting your fabric clock (FCLK FREQUENCY in BIOS) to 1600 or less (Stock is 1066). So i actually had tp lower RAM frequency from 3800MHz on ZEN 2 to 3600MHz on ZEN 3. Jul 15, 2019 · So I switched it back to 1800 and overclocked my ram to 3600mhz :D Reply reply _vogonpoetry_ • Yes Set the FCLK manually in Bios. Apr 21, 2021 · Can I use 32GBx2 3600MHz RAM kit in ROG Zenith II Options. (example video of MSI motherboard and RAM settings Apr 10, 2020 · That’s why lots AMD chipset motherboards have really high Max memory frequencies. The FCLK, or Fabric Clock, is the frequency at which the IF, or Infinity Fabric, operates at. Nov 6, 2023 · Was thinking which ram speed to get considering that 3800MHZ CL18 will have 9. You want to match the FCLK frequency to the actual frequency of your RAM, in this case 1800mhz. The important thing is to keep memory frequency and FCLK in 1:1 ratio for best performance. If 1900 MHz FCLK is stable for you, it's very much worth OCing your RAM to that point as well. The Ballistix 3600MHz 2x16GB RAM kit, with 16-18-18-38 timings, part# BL2K16G36C16U4R, DDR4-3200 is still the officially supported memory frequency on Ryzen 5000. Also realize that '3600MHz' and '4000MHz' run at memory clock frequencies of 1800MHz and 2000MHz respectfully. So if you have 3200mhz ram, the fabric runs at 1600mhz. However from a price to performance (due to ever ‘Optimal’ would be whatever the fastest FCLK and RAM speed your chip can achieve while 3600Mhz RAM worth over 3200Mhz (with APU Oct 28, 2021 · At DDR4-3600 this memory maintains the 1:1 FCLK Frequency with AMD Ryzen systems so the Infinity Fabric is not bottlenecked. P. Dec 24, 2022 · It is worth noting that AMD Ryzen processors use FCLK or Infinity Fabric Clock since 2017 and it is also present in the AMD Ryzen Gen 3 processors as well. Distinguished. B450 Steel Legend and 3600MHz RAM Sep 19, 2022 · I think you are confusing the AM4 platforms (AMDs Ryzen lines) infinity fabric clock (FCLK) needing to be in sync with your memory's frequency. I bought a new setup and am wondering what ram will be best for Ryzen 5800x. To my surprise after changing these settings everything booted fine and just worked like normal. I set it down to 1600 and the result is lower latency. DDR4 3200 run at 1600 MHz. Skill Trident Z RGB 32 GB) Jun 2, 2020 · but when set FCLK to 1900 in bios memory controller clock is right to 1900mhz as FCLK too (hwinfo) REEDIT : 75ns for FCLK 1800 vs 64ns for FCLK 1900 , read 46k vs 50k, well i think its done -R5 5700x 4. Dec 18, 2020 · Messing around in my bios I decided to change my 3600mhz rated RAM frequency to 3666mhz and fclk to 1833, so far it's running fine but would i be better off just enabling xmp instead, 3600MHz ram running at 2666MHz with XMP enabled self. Upvote 0 Downvote. I read other articles on this sort of thing but wanted to ask about my particular case too. 15v, iod to 1. Bonus3: FCLK May 17, 2003 · Advertised timings are 3600 16-19-19-39-1T, which is where I have it set. AMD themselve recommand 3600MHz to acheive optimal RAM and CPU perfomance for the 3700x. That's way more likely to cause instability than FCLK. Nonetheless going over 1900mhz fclk is even harder so it has diminishing returns on cpu performance so it's useless anyway. 4V. On my 5900x, 1800mhz run great, but on my 2400g, I had to take the ram down to 3333mhz because the fabric couldn’t handle it. The main reason for this is added circuitry on-chip that allows running the memory clock (MCLK) asynchronous from the fabric clock (FCLK). So 3600MHz is 3600Mhz Is the sweet Spot, And running 1:1:1 is what you wanna do with Ryzen, So if you get 3600Mhz ram, You can run the Fclk at 1800Mhz, Its really not up to the ram to run the speeds its the motherboard/bios Here is a good video for Oct 13, 2020 · Awkwardly, I've done some adjustments at the FCLK Frequency and it seems to stabilized. Desynchronizing FCLK/UCLK/MEMCLK on a Ryzen system can have a negative effect on performance if you don't know what you're doing. RAM - 32gb 3200mhz CL16 vs 32gb 3600mhz CL18 Oct 27, 2022 · And the RAM hasn't even come into play yet, aside from just the relationship between RAM speed and FCLK speed on Ryzen. I was looking to overclock to RAM to 3800mhz so that I can get my Infinity Fabric to 1900mhz. 496V at this value, so I have to set the memory to 1. Aug 8, 2023 · Turns out, this RAM only has 3000mhz and 3600mhz profiles. Both FCLK and memory frequency should be matched for the best latency. It seems that I'm not overclocking the RAM itself because it's rated for 3600mhz. Use very loose timings with 1. I have used the Mod utility to find XMP profiles for my kit. Buy a higher frequency ram and ensure it is running at it's rated speed in the bios. every time i try to use xmp profile 1 the PC will restart and does not open for while with series of Restart operations then gives me the message in the Video and i cannot Oct 20, 2023 · Typically, it’s recommended to keep the FCLK frequency closely matched to the memory’s speed, which might require adjustments to your memory’s clock, timings, and voltage settings. And some forum posts indicate that having the FCLK at 1800mhz (half of 3600mhz) isn't considered overclocking. 45v. Some motherboards break the CPU boost with FCLK 1800+. Ummm, i've read the article that you have sent before but even if i set my ram into the default XMP Profile (3600MHz CL18 @1. I have this processor with 3600mhz cl18 and it is great. 36V and SOC is 1. Dec 1, 2020 · I have been paying attention to my voltages with each fclk frequency. I have tested 2 Aug 15, 2021 · Hi i have a Asus ROG STRIX B550-F GAMING (WI-FI) MB updated to lastest Bios version and a AMD Ryzen 7 5800X and Memory G. OCing ram by 100MHz is not going to bring any practical gains, may even be Mar 18, 2021 · Now I guess I either need to overclock the FCLK or underclock the DRAM frequency. Edit: Seems r/overclocking is under a troll attack. Now this CPU has been out a while, what's the current thinking on the optimum RAM frequency for it. Jan 10, 2020 · Yes 3600mhz ram will work with both of those CPU's. Anytime you see it listed as MHz, it's technically wrong. Highest brute frequency is not always best and you absolutely want to keep 1:1 ratio for best performance. The difference, however, is that the Ryzen Gen 3 Aug 19, 2021 · FCLK ideally runs at half the memory speed and in sync, as a general rule. Asus TUF Gaming Feb 25, 2021 · No processor frequency OC of any other kind, and I am quite new to this. Oct 30, 2023 · MCLK is the true memory clock, double it for DDR speeds. r/dcsworld. Memory timines on an Intel platform, but not for AMD, while at the same time, your AMD CPU is quite possibly perfectly capable of 3600mhz memory frequencies with those timings, Jan 14, 2022 · You will have to run the ram at 3800mhz or 3600mhz depending on your IMC. This is why 3rd Gen Ryzen can run at much higher DDR4 frequency. DDR stands for double data rate, meaning the RAM is actually running at half of what it says it is (3600mhz = 1800mhz in reality). At 3600MHz I was able to tighten the timings fairly tight. Mar 1, 2023 · With FCLK1900 the RAM can be set to 3800MHz, and for FCLK 1866 the RAM will be set to 3733MHz. pcmasterrace Jul 10, 2022 · Its the very first time for me that I need to adjust the infinity fabric to handle the memory, at 3200mhz everything its stable and works as expected, but once I increase the frequency to 3600mhz and adjust the FCLK to 1800mhz the system becomes unstable. and 4. Not 4000MHz like Lisa said in presentation. Jason H. If you have the memory at 6000, FCLK 2133 is faster than FCLK 2000 or 2033, while if you're at 6400, 2133 is still faster than 2000 or 2033. FCLK is the Infinity fabric, that seems to need to be within a certain multiplier range of the MCLK - any value dividable by 0. 0 to test it, and it was ok. If you're aiming for 3600mhz on your ram, you'll want to make sure its set you 1800 FCLK. I have ONE profile selection under D. 35V) and the problem still occurs by 3600 it means the FCLK should be on 1800MHz which below 1900MHz Jun 9, 2020 · For RAM frequency lower than 3200MHz it may be beneficial to set higher Infinity fabric than 1600 but you would have to experiment a little. The default XMP profile for it is 14-16-16-36 @ 1. In BIOS I do not have an xmp profile option. Double check in CPUZ if you aren't sure. Apr 30, 2022 · 3600mhz RAM not stable If you change the frequency then cancel the XMP profile and leave memory setting on manually set RAM speed for example 3400mhz and FCLK 1700mhz. NB is UCLK, not FCLK anyways. x - This benchmark is quick and scales very well with CPU core clock, cache/FCLK, memory frequency, and timings; General RAM Info. I have a 5900x on a gigabyte aorus x570 elite wifi mobo, with 16gb (2x8gb) of Corsair Vengeance 3600mhz C14 ram. I am also using memory that is stock 2666MHz JEDEC, but I managed to clock it considerably higher. My Ryzen 5 3600's FCLK can only run at 1867 maximum and so my RAM is now running at 3733 MT/s CL14. Nov 6, 2020 · The Ryzen 5 5600X supports only up to 3200MHz Frequency speeds. 3. 88 latency Frequency and subtimings has a better imc so you should be running around 4000mhz but youll wanna test max fclk first so find a max stable fclk and thats your ideal ram clock, be Apr 28, 2022 · My RAM kit is the trident z g. O. Hallock believes that DDR5-6000 will be the sweet spot for Zen 4 based on cost, Ryzen runs best when in 1:1 mode. Retailers have just marketed their RAM for how many transfers it can accomplish and DDR can Jan 29, 2022 · I have a Ryzen 5 3600 @ 4. 200MHz may not seem like a lot, but that's orders of magnitude higher than a few clock cycles of latency. Jan 29, 2023 · I set mine manually since I am OCing my RAM frequency slightly (3733) from its base XMP frequency (3600), but if you are just enabling XMP, You can set XMP to 3200 and leave fclk on Auto and check ZenTimings and it should tell you what your fclk frequency is. Would it be less of a headache to just get 3600mhz ram or would purchasing 4000 mhz and tweaking it down to 3600 mhz if its Is it really worth it to spend hours testing FCLK and ram speeds and timings for a literal 1-2 percent performance gain and then It's probably more pronounced when you have higher frequency memory, Jul 10, 2021 · 3600 CL16 is cheaper and will perform roughly the same. I'm wondering about safe voltage ranges for the CPU, Apr 19, 2022 · Expected ram speed/fclk Most Zen 3 can do infinity fabric/fclk of 1900, effective ram speed 3800. My kit: F4-3600C16D-32GTZR (G. The frequency of the RAM has nothing to do with degradation. I recently bought this set to go with my Ryzen 3600, which is rated for 3600Mhz CL16 (16-19-19-39 @ 1. If i buy a 3600mhz kit and enable xmp, does it change the infinity fabric clock automatically aswell, or May 17, 2003 · I understand the benefit of synchronous memory and FCLK/Infinity Fabric. See attached photo. When you buy RAM marketed as 3600MHz then that's how it works out of the box with no manual overclock needed. Hey, it worked. If you can run a 1900 FCLK and pair it with 3800 MHz ram, you’ll be better off than 1800 & Oct 19, 2021 · As well, with Ryzen processors, the RMA frequency is related to the frequency of the infinity fabric. So I don't have the best RAM, I guess. 6V and see how far you can go. If I'm reading this right you need to go into AMD overclocking in your bios and manually change the Nov 19, 2020 · By default FCLK is sync’ed with your RAM speed, eg DDR4 3200 runs a 3200 MHz FCLK. That's if I recall correctly. Test with a program called TM5 using anta777 or 1usmus' config. By zeltrabas August 21, 2020 Jul 1, 2021 · Lower your memory frequency for 1:1 FCLK:Memory, if needed. I know i can set them to 3200mzh in bios but i don't know exactly how. Both the bios and windows show me at 3600mhz. Most/all 3000 series chips can run 1800 FCLK which you’d then pair with 3600 MHz ram. You just want the memory to be clocked as high as you can, then the FCLK to be clocked as high as you can (usually you can trade memory clock for FCLK, so you want to May 27, 2023 · You want the FCLK frequency to be half the rated speed of your RAM. Also, pushing the RAM to 3600MHz isn’t actually overclocking as such, because as I said RAM is overclocked to reach its rated speed, and the Infinity Fabric’s stock limit is 1800MHz, anything above that is overclocking, so 3600MHz ram and an 1800MHz FCLK isn Feb 24, 2021 · Question, I have a Ryzen 5 5600x CPU & an ASUS mobo with the latest BIOS. Skill Trident Z RGB DIMM Kit 32GB, DDR4-3600, CL16 1. Follow what I did and you should be fine, if not it will only be Mar 12, 2023 · It’s tough, my x3d maxes at 3733/1866 Many encounter a “hole” at 1900 where it won’t even post. Oct 26, 2021 · So once more I changed the clock speed to 3600Mhz on Memory and kept FCLK at Auto which is basically 1800. Oct 20, 2013 1,766 114 Jul 11, 2023 · What is the FCLK Frequency for 4400MHz RAM? Have you ever wondered about the FCLK frequency for 4400MHz RAM? If you’re into computer hardware and overclocking, you may have come across this term before. Buy a lower frequency ram and overclock it and the infinity fabric of the CPU or B. But I can't get there. Note that you do still have some leeway to change these values even when sticking to the 1/2 RAM rule. HWInfo64 will have that info too. These adjustments can be complex and may involve some trial and error, but the rewards are well worth the effort. Oct 31, 2022 · Hi guys, i recently built my pc and my problem is that my cpu AMD ryzen 5 5600g can reach 3200mhz and my RAM is 3600mhz. I don't know much about pcs i Oct 18, 2020 · After that I manually set my RAM speed from 2133MHz to 3600MHz without turning on the DOCP profile. Oct 10, 2022 · Memory frequency depends on the chips of sticks and umc on the cpu a lot if not most can do 3733 or even 3800 but going over that is very rare. But admittedly most people max out Jul 29, 2021 · Edit3: I ended up having to lower the frequency to 3533mhz. Just want to get the highest possible memory frequency and then work on the timings. Some chips/boards can run 1900 FCLK but that’s less common. Apr 27, 2021 · So I am on a b550m motherboard from MSI and I bought 32gb (2x/16gb) of RAM with 3600mhz from corsair the other day . They're Dec 20, 2016 · But now ur more likely to get higher frequencies and FCLK. Gradual steps. Great kit, without any effort I can get 3800mhz OC on XMP (very basic changes). 05v, ccd to 1. In case you don’t know, your RAM speed is measured in “mega transfers per second” and the frequency it runs at is half this value because two bits are transmitted per clock cycle, e. Nov 21, 2022 · I OC'ed my RAM yesterday but noticed my FCLK desychronized at anything past 3600MHz. skill 2x8gb 3600mhz 17-18-18-38 (Samsung B-Die), and I've managed to tighten my clocks a small amount to 15-17-17-34. Your auto settings were correct. May 25, 2021 · 3600MHz CL16 is definitely the sweet spot unless you want to spend literally hours and days finding, refining and testing memory settings to egt faster than that. So when you raise the RAM speed to 3200MHz, the FCLK runs at 1600MHz, when you raise the RAM to Nov 1, 2014 · Oof, nowhere to be had. As you've probably seen, Ryzen 3000 is capable of much higher memory speeds than previous generations. Start smaller where you know the FCLK is stable and move up from there. Jun 29, 2020 · A. You're trying to run 2 ranks per stick - 4 ranks per channel - with samsung 8gbit b-die, which is one of the harder memory IC's to drive at a good frequency. I kept having the same issues so backed the RAM down, set the voltages back to default DOCP, and haven't had an issue since. not BIOS. Ideally, RAM frequency stays around 3200 MHz while FCLK Frequency stays around 2000 MHz for good performance in general. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; Float this Topic for Current User; Bookmark; Subscribe; [DDR4-3600MHz] FCLK Frequency [1800MHz] Core Performance Boost [Auto] CPU Core Ratio [Auto] Core VID [Auto] CCX0 Ratio [Auto] CCX1 Ratio Feb 1, 2023 · I was thinking that maybe I needed to upgrade to 3600mhz to get that coveted 1:1 FCLK but I wasn't sure if I needed to spend that money after doing some digging. I had to manually add a little voltage and then was fine (1. I just purchased 2x8GB sticks at 3600MHz. Jun 18, 2020 · A rank comprises the memory that connects to one 64-bit side followed by manually configuring the FCLK frequency to 1867 MHz and the UCLK frequency 3600mhz is the sweet spot for 3000 Feb 15, 2020 · Much higher chance of unstable RAM at 3600. Basically all B450 boards and most X470 boards don't even support 3600mhz on the DIMM slots themselves. So I just tried to set the RAM speed manually in the bios but I just got bluescreens. 025V (left on auto. I'm going to "retire" this RAMto my wife's PC. 3600MHZ Cl16, Fclk and uclk at 1800MT/s gets you 99. ) cpu 447×565 26. But for 2nd Gen Ryzen, FCLK and MCLK are synchronous. The nice thing with X570 is that the memory tracing is much improved over older boards, allowing super high frequencies like 3600-4200mhz. C. For what I read, it should be 1600Mhz, since the advertised clock speed of the memories is 3200Mhz, but somehow they appear to be stabilized with FCLK 1800Mhz. Nov 10, 2020 · Infinity fabric at the moment goes to 1800MHz. Jan 7, 2021 · My system has a 5800x paired with 2x16GB Trident Z Neo 3600MHz CL16 RAM sticks on an ASUS TUF Gaming Plus X570 board. Nov 4, 2022 · That my two sticks of ram are indeed running at a total of 2400MHz. You can try 14-15-15 or 14-16-16 or 16-16-16 timings in order to get to these speeds. Before we explore the relationship between FCLK frequency and 3200MHz RAM, let’s take a moment to understand RAM and its frequencies. Half is Oloy Warhaark (Micron) and half is TridentZ (Hynix) and I've had no issues at 4000 with 2000 MHz FCLK. Please Jun 5, 2023 · In Zen 2 architecture, FCLK frequency is tied to the memory clock speed. 4V) The memory frequency sweet spot lies between 3600MHz and 3800MHz, where optimal performance can be achieved by tightening the timings. For example, if the memory runs at 3200MHz, get the fclk Sep 9, 2019 · Tl;Dr: Match your FCLK to your Memory Clock / 2, if within 200Mhz (so FCLK was 1800, but 1600 is within 200Mhz, so matching gives you a perf benefit), otherwise, just push Jun 10, 2021 · I have seen people running 3200 MHz RAMs with 1600 MHz FCLK or just left it at auto (which essentially sets itself to half of whatever the effective DDR frequency is or equal to Aug 21, 2020 · So the supported memory speed for the ryzen 3600 is 3200mhz. I have a Ryzen 2600x which is also a Zen+ CPU. It operates at a 1:1 ratio with the memory clock, ensuring optimal performance. 2v. My DRAM Voltage is 1. I successfully installed it (into the 2. 3400 CL14 looks very nicely tunable. Please advise what I can do. I used TestMem 5. I have had good success doing this and I am able to run RAM up to 4733MHz perfectly fine with no WHEA / bus interconnect errors. I always failed no matter what setting or voltage I changed to get past 1700mhz fclk stable. 5V with sufficient cooling. I haven't seen a ton of information about these online but here's the readout from Thaiphoon below. Bummer the RAM couldn't sustain 3600mhz. RAM speed should be double that for running 1:1 to get the best Mar 20, 2021 · I don't know a lot about FCLK/MCLK/UCLK MCLK - Bog-standard memory module/DIMM frequency. I set the FCLK frequency at 1600MHz and my RAM runs at 3600MHz Nov 15, 2021 · I mean stock CPU/motherboard settings. UCLK is the memory controller frequency, and that is synced with the memory frequency. 00v and Apr 4, 2021 · Hi all! So I built my own pc awhile back and I tried to mess with the ram speed in BIOS but with no luck so here I am again trying to get my Trident Z Neo up to the advertised speed of 3600. Additionally, AMD Ryzen 3rd Gen CPUs offer better memory performance per clock compared to their Intel counterparts. 35V), as well as FCLK Frequency (1800MHz), and UCLK DIV1 MODE Or Userbenchmark is part of the long list of services that erroneously show RAM frequency wrong. I am very new to ram overclocking and this is Set frequency to 3800MHZ, and set FCLK to 1900MHZ. You have some crazy good RAM and a nice setup. ), facilitating data and control transmission across linked components. Aug 5, 2021 · Hi, I am a bit of a noob with RAM overclocking so was after some advice. Zen3 is capable of 4000MHz+ memory frequency, the rest is up to MB. so in bios I would change FCLK to 1800 and change system memory multiplier to 3600 and voltage to 1. 7ghz DryIce Max Freq 14700K 7. Aug 21, 2020 · So the supported memory speed for the ryzen 3600 is 3200mhz If i buy a 3600mhz kit and enable xmp, does it change the infinity fabric clock automatically aswell, or do CPUs, Motherboards, and Memory ; Question about XMP and fclk on ryzen 3600 Question about XMP and fclk on ryzen 3600. That being said, I would go with 16gb of DDR4 3200mhz CL16. Oct 8, 2020 · 2x 16GB 3600mhz Ballistix RAM. 35 V). But it still shows me at 3:54 ratio in CPU-Z, even though Ryzen Master confirms these settings as Feb 16, 2023 · Last week I upgraded my RAM to Kingston Fury Renegade 16GB 3600Mhz CL16, and I turned on XMP profile, everything was working fine but yesterday I changed FCLK Sep 5, 2021 · If auto is setting fclk to 1200mhz when ram is set to 3600mhz , manually changing fclk to 1800 should improve performance. 1933 and up) as with dual CCD Ryzens (like 5950X) in general can not hit those without WHEA errors. PC won't post if at 1800. FCLK is the CPUs infinity fabric, which, when on auto, runs at half the DDR frequency. All this lead to situation my PC didn't boot, so I cleared CMOS but still PC wasn't booting so I swapped RAMs modules by slots, and this Jan 9, 2021 · From what I understand, the FCLK and frequency of RAM should match to maximize the performance. So DDR4 3600 = 1800/1800 This is funny because I've done the exact same today, just built my new rig with a 5600x and 3600mhz ram coming from an old 6600k, Sep 25, 2022 · All changes to RAM settings or CPU settings for that matter require testing for errors. Click to expand Even after selecting the XMP profile to 3200 mhz and FCLK to both auto and 1600 mhz, I am still seeing the ram is running at 1330 mhz . The Zen 4 parts have a default FCLK of 1,733 MHz, supporting DDR5-5200 memory by default. "3200MHz / 2 = FCLK". At that point the infinity fabric will be running at 1800MHz. So memory running DDR@3200 will have FCLK of @1600. My question is, is it better to aim for a higher frequency say 4000mhz or just tighten the timings for 3600mhz. (For example for 1900 FCLK, try to boot and test RAM at 3800MT/s 18-22-22-42, 1T with GDM enabled, at 1. If your RAM has a good die (Samsung or Micron B/E-die), just ramp up the DRAM voltage to like 1. 5% of the performance with a single click of the XMP profile and chekcing those other settings in BIOS. 1v according to AMD, so if 2000 MHz FCLK won't POST for I moved from 3700X to 5800X3D and my 16GB 3200Mhz ram worked without issues on XMP. 2 ssd samsung 1tb, wd 2tb My RAM is Gskill single rank Bdie 4x8Gb rated stock 3600mhz 16-16-16-36. 51V for the motherboard to register the full 1. But then I upgraded to a 32GB 3600Mhz and here I had to make a tweak, had to raise DRAM voltage from 1. 35? or just change FCLK Yes if you mean memory frequency as memory multiplier, Jul 6, 2023 · I have tried to set it to 3600mhz changing FCLK Freq and also the voltage to 1. May 24, 2021 · If the RAM is at 3200 MT/s then FCLK should be at 1600MHz. 47 latency and 3600MHZ CL16 will have 8. I went into MSI bios, enabled A-XMP, set DRAM to 3600 and voltage to 1. If the system has a slower RAM, then the value of FCLK Frequency needs to be changed so that efficiency of the system is maintained. Reply reply ianuJ- Apr 30, 2023 · Hi I've switched from an AM4 PC to an AM5 PC. Jul 12, 2021 · Depending on your MB and it's BIOS, FCLK will be automatically adjusted to memory XMP and be able to be manually adjusted to RAM frequency up to point of max RAM frequency allowed by MB and BIOS. Ram slot) and after some time I noticed that the clock was just 2666mhz. 3600MHz CL16 is the best value for Ryzen memory, it performs very well and doesn't usually need any tuning to get it to work. I got that done recently for bumps in memory May 8, 2021 · My memory now runs at 3600mhz and 1:1 1800 FLCK. Dec 19, 2020 · I have 64GB of Crucial Balistix 3200 RAM in there. SKILL TridentZ RGB Series 32GB (2 x 16GB) 288-Pin DDR4 SDRAM DDR4 3600 (PC4 28800) Desktop Memory Model F4-3600C16D-32GTZR - Dec 18, 2020 · I set the FCLK frequency to 1800Mhz and it looks good. You can overclock the FCLK on some CPUs up to 2000MHz, but most will only be able to go no further than 1900MHz. May 12, 2021 · The difference between 3200MT/s and 3000MT/s will depend a lot on the actual timings, as the frequency bump is not particularly huge. Source: The Stilt. So if you're going to be making changes to frequency, voltages, and timings then you will need to test for errors every time. Bonus2: Keep in mind the high voltage bug of FCLK on some BIOS versions. 3rd Gen Ryzen can run different clock for Fabric Clock and Memory Clock. and 3800x with 1 CCD don't get much from overclocking the FCLK at 1866-1900, running 3733-3800 speed ram to match, so really i wouldn't worry about it, Jul 5, 2020 · This is the reason why you multiply the RAM “base frequency” (or real clock) by two, to calculate the “effective frequency” (or effective clock) No matter if you run DDR RAM in Single- or Dual Channel, you still multiply the Aug 26, 2020 · BTW, DDR means double data rate. Reply reply Jayson5584 • • just load the XMP profile in the bios and set the FCLK to half of whatever the ram frequency is, so 1800 for 3600 mhz ram Reply reply 4 days ago · The FCLK frequency will ideally be set to match another value that’s part of the larger system – memory controller frequency (MEMCLK or MCLK). Jun 10, 2021 · Running FCLK as high as possible with lower memory clocks does boost performance indeed, however you are better at 1:1 ideally at 1:1 you get the best Latency AND the best performance for example i have 3600mhz ddr4 DIMMS, i have overclocked these to 3800Mhz and set the FCLK and MCLK to 1900mhz - about the highest you can expect on Jan 25, 2022 · New build, new questions. Higher FCLK often mandates higher cLDO_VDDP, but for Ryzen 3000 and 5000 CPUs, it should never exceed 1. And B-die will run for years on 1. May 18, 2010 · When you find out what your max FCLK is, do you change any voltages or do you just up the FCLK frequency and then apply the ram speed and see how it goes? My 3700x for example if I set the FCLK to 1900MHz leaving ram at 2133MHz Yea at the moment I have 3600MHz at CL14 speeds so it's as good as 3600MHz can get. My 3700x has no problem running at 3800mhz with 1900 fclk. 3600 would run FCLK at 1800MHz, while 3200 runs it at 1600MHz. 1% lows if the working set is overflowing from L3 to DRAM. I’m guessing your chip should be able to run at that speed since AMD has been on 7nm for a PYPrime 2. 5V For the XMP profile to work sometimes I have to set the FCLK value in bios manually to 1900mhz - setting the auto option causes pc to have even more problems with boot. ASRock x570 steel legend + 32gb 3600mhz ram issue upvotes Mar 18, 2022 · It's not going to damage your system to use a lower frequency. 00 = 3200 MT/s, tRC is 75, tRTP is 12, tFAW is 34. However, the 3600 memory is all but guaranteed to work correctly without any tweaking other than just setting XMP. The Infinity Fabric interconnects the core components of the system (CPU, RAM, etc. I already have Vengeance 2x8 16GB 3000mhz CL16 Dec 13, 2021 · FCLK + Memory frequency: Motherboard default (1200 / 2400 MHz) or memory module default (1600 / 3200 MHz)? Help (General) This is somewhat an overclocking question and not. Skill trident Z Neo 32gb kit CL-14. Feb 16, 2023 · Hello, Last week I upgraded my RAM to Kingston Fury Renegade 16GB 3600Mhz CL16, and I turned on XMP profile, everything was working fine but yesterday I changed FCLK frequency to 3600MHz instead of 1800MHz by mistake. Now I am thinking to sell this memory kit and just buy a DDR4 3600Mhz C16 kit to run on native speeds, but I am wondering if it is worth the hassle or just keep the Jul 3, 2021 · With my 5900x and Dark Hero mobo, my 3600mhz ram kit would not run stable by selecting just XMP. 3 5V" In BIOS under MEMORY FREQUENCY this reads "DDR4-3200MHz" FCLK FREQUENCY reads "1600MHz" and yet I'm still only getting 2400MHz Jul 1, 2024 · Currently, I have 32 gig (2 x 16 gig) DDR4 3200 mhz CL16 ram and a 3700X CPU. Jul 5, 2023 · 1. Save and exit. PS. Aug 1, 2019 · RAM speeds: 3333MHz+ = KEEP you FCLK at 1:1 with your MCLK (MCLK = 1/2 of RAM speed) Bonus: in depth video. Anything higher will have negligible higher efficiency results. Nov 9, 2022 · Judging by his posts, I suspect he hasn't manually set FCLK, so he's at 2000 MHz memory, If you want to tune memory frequency, ASUS B550 plus + 3700x + 8x2 3600mhz Team vulcan ram. Nov 5, 2021 · Problem: >90% of the CPUs can do 3600 RAM with 1800 MHz FCLK, but very few can do 2000 MHz FCLK stable that you needed for 4000 RAM speed. Make sure you also set the FCLK frequency to 1800MHz (half your RAM speed) so that it's a 1:1 ratio. 9 KB. Soc voltage can help with fclk, shouldn't exceed Oct 8, 2020 · I read and heard that the two values should be matched 1:1 for the best results but my RAM with XMP applied at 3600mhz can only get the fclk at 1600 instead of 1800. 35V. You should be able to get some crazy low & tight timings with that. Jun 25, 2021 · Do not forget to set the fclk to 1800 minimum if you are going to run 3600Mhz memory. 3200 MHz is actually 3200 MT/sec and runs at 1600 MHz memory frequency which should be your FCLK. comments. I read and heard that the two values should be matched 1:1 for the best results but my RAM with XMP applied at 3600mhz can only get the fclk at 1600 instead of 1800. Although it is not a good practice to change the FCLK and set it at high frequency, there are a lot of AMD fans that increase the FCLK frequency to get the best Jul 16, 2022 · For the most part DRAM latency and FCLK frequency doesn't matter as much with the X3D, but it still can help in 1% and 0. If it doesn't work then lower the mhz even more and FCLK is always 2x less than RAM speed. But It worked fine. Settle for 3800mhz ram and 1900mhz fclk. (Not related to the 5800X3D, more related to my motherboard. That's what I have, the 3600mhz G. If I enable D. The FCLK is the speed of the memory controller, the Infinity Fabric and actually the RAM memory, however the RAM memory is read twice per cycle and therefore FLCK of 1600 is DDR@3200 speed. g. 850v. Sep 25, 2020 · However, the motherboard registers 1. I’m running Crucial E-Die 4000mhz CL18, it’s the ballistix Max rgb kit. Surely could hit 4k (or even above) if you know how to OC the RAM properly. Jun 25, 2022 · 3200 ratio and 100 MHz BCLK Frequency -> RAM frequency is 100 MHz x 32. Play with different ProcODT settings. That means your sweet spot for RAM frequency would be between Jun 24, 2020 · And anything over 1900MHz FCLK is like yeah, good luck, hence why there's no point in going with 4400MHz memory or other high frequencies on Zen 2, because in turn you'll just be losing performance in reality. Or much about CPU OC Dec 20, 2019 · Ryzen's base memory controlller frequency is 2933. I changed nothing else and it's been working great for the last 3 weeks. it'll enter failsafe mode and then I'll need to set them again, highest I've gotten in a 1:1 is 3400. You can try overclocking your RAM but I would focus on overclocking the timings rather than the core clocks. TUF GAMING X570-PLUS (WI-FI) running RAM at 3600MHz is unstable (Ryzen 5900X, RTX 3080, G. 9GHz so I'm wondering if there's any need to go for 3600MHz Jan 18, 2021 · Otherwise, aim at 3600MHz. I do not know nothing about OCing the memory. Aug 22, 2020 · Digital Foundry investigates whether RAM speed affects fps for gaming on AMD Ryzen, and what's more important: frequency vs timings. The advertised speed is the transfer rate in MT/s, not the frequency. I was using my PC and playing some games and haven't noticed a thing wrong with my build. The best speed for Zen 3 is when FCLK is maximized. Understanding RAM and Its Frequencies. 1080ti. You are actually running 1:1 as the ram is running at 2000 not 4000 (ddr). 4v. It's also similar for me 3200MHz ram with auto FCLK 1800. Do not bother with any FCLK higher than 1900 (e. 280mm AIO for CPU. For some this speed is at 3800mhz/1900 FCLK. Then it will post at 1933 but throw WHEAs Best thing to do is set ram to jedec spec (no xmp) to remove ram as a variable and then manually change fclk to highest you can go without WHEAs. Jul 17, 2019 · Used BIOS to manually set the Adjusted DRAM Frequency (3600MHz), timings (tCL17, tRCDRD18, tRCDWR18, tRP18, tRAS38) and voltage (1. Which reads "D. So i had to set my RAM to 3600MHz to get 1:1 ratio FCLK-UCLK. 3600 mhz it runs at 1800mhz. Jul 19, 2021 · GSkill Trident CL16 3600MHz 2x16GB Ram EVGA RTX 3080 XC3 Ultra Corsair HX 1000W 80+ Plat Try to increase RAM frequency up to your max FCLK. And running FCLK and RAM clock async causes additional latencies, which can drop performance significantly. I used to have 3600mhz ram (2x32gb) for which i'd set the FCLK to 1800mhz for a 1:1 ratio. I experienced a crash about 10 mins into playing The Witcher 3 with the overclocked FCLK, though it might have just been a coincidence so I am currently running some tests for stability Setting Ram to 3600mhz causes a bluescreen FCLK, or Fabric Clock, is crucial for understanding modern AMD processors' architecture and its impact on system performance. (can't seem to find a straight answer + I don't have much knowledge). It appears the problem is the auto value for SoC voltage. Keep in mind, this is considered a BANDAID fix. 25x Max Freq 13700K 6. For best results you want the FCLK running at a 1:1 ratio with your memory. Skip to main content Support us Sign in / Create account Oct 26, 2021 · Yes it's quite possible, even 3800+, but that's with 1 rank per memory stick. According to PC Gamer, AMD made their chips to support up to a FCLK of 1800-2000 MHz, but it seems to be largely YMMV because of build quality and silicon lottery. Even though your CPU is numbered in the 3000's, it is not a Zen 2 CPU such as the 3600. 4v at this ram frequency). FCLK is 1800, BCLK 100, DDR 3600 settings. Since Dec 9, 2019 · Hi all, Hoping I can get some advice from you all on how to best tweak the RAM I have. Nov 11, 2020 · But the whole DDR thing means your true speed is half of your effective speed. DDR4-3600 is NOT actually 3600 MHz, it's 1800 MHz (x2). If your running at FCLK != 1600 MHz, Nov 5, 2021 · I would suggest manually tuning your RAM. Jan 4, 2023 · The Ryzen 3000 & 5000 series "Sweet Spot" for RAM Speed is 3600Mhz. Nov 17, 2021 · [option A1] After you're done with Step 1, reset BIOS to defaults, restart, enable the XMP profile for 3600 MT/s, set FCLK frequency to 1800 MHz, set SOC voltage to 1. Apr 12, 2021 · I'm trying to get my system to boot at 3600Mhz at XMP settings, but no matter what I try it doesn't seem to boot. 5-1. Sep 23, 2021 · I've been having issues with my computer freezing, locking up, then rebooting. Reply reply 4 days ago · -32gb 4x8gb ddr3400 c14 fclk 1700mhz (I cant get past 1700mhz fclk)-Seasonic 1200w Prime Gold-Asus TUF x570 latest bios motherboard-M. And anyways for daily use, 3600Mhz with tighter timings is likely going to be better for any ryzen processor. The 3200 MHz was okay, I got CPU speeds of 4. 35). Dec 9, 2023 · FCLK and memory frequency are not related at all. I've bought other RAM kits, to see, nothing super high performance, or anything, just trying to get 64GBs of RAM for VMs and stuff but can't get the system to boot Nov 16, 2021 · Presuming they both work correctly, the DDR4-4000 memory will be technically a little bit faster since it will raise the 5600X's FCLK frequency to 2000 Mhz (as opposed to 1800Mhz with the DDR4-3600 memory). Or 3600mhz. 0ghz DryIce Max all time Freq FX-8300 7685mhz LN2: Oct 20, 2024 6 days ago · Make sure all the timings are set to Auto, which includes the Primary Timings, Secondary Timings etc. The ram is rated to run at 3600 so any frequency lower than that (such as the 3200 you are currently running at) will be fine. RAM, or Random Access Memory, is a type of computer memory that provides fast and temporary storage for data that the CPU needs to access quickly. Or, in other words, FCLK = MCLK = 1:1 = RAM frequency/2. I only set the FCLK from 1600Mhz to 1800Mhz. Sep 12, 2022 · Only the Zen 3 chips however could do that frequency at 14-14-14 timings while my 3700X could only handle 16-16-16. Im facing 2 possible solutions so far. The CPU only allows that speed or am I doing something wrong? I would apreciate your knowledge. That brings the achievable frequency quite far down. I also have an AMD Ryzen 5 3600X which supports up to 3200MHz as well. Increasing cLDO_VDDP seems beneficial > 3600MHz MEMCLKs, as increasing it seems to improve the margins and help with potential training issues. Jan 29, 2021 · Ryzen 3000 series can work with memory speeds way above 3600 MT/s but will lose performance if decoupled from the infinity fabric clock. 225GHz and a single RAM module of CMK16GX4M1D3000C16 @ 3600MHz. I heard some motherboards on "Auto" set 1. U'll get better bandwidth with minimal loss of latency. The mobo accepts up to 4400MHz so I know that I'm good on that aspect. 35v to 1. For example: FCLK: 1800. To find highest fclk set all timings to auto, go into advanced, amd overclocking: set soc to 1. It was suggested that Ryzen and 3600mhz may not be stable at stock settings. And for ryzen 5600g (cezanne) it's a very common thing to have the IMC limit higher compared to Vermeer (2000, max 2033). AMD claims that the 5000x series CPU's support up to 3200MHz RAM. In addition, it’s right in the middle on the fastest CAS latency timing for RAM, it’s much faster than CL19 RAM, and not far from CL14 RAM which may not run as stable at this frequency unless the Voltage is bumped way up. I now have 2x48Gb Corsair 5600Mhz and whenever i try to sync the FLCK, meaning using 2800mhz, the PC doesn't boot anymore. So I need to buy some new RAM for my 5950x. This was after adjusting the power management settings and increasing the DRAM voltages incrementally up to 1. Put in 64 gig (4x16) of 3600mhz cl17-19-19-39 Once I got W10 pro up and running, after some updates and reboots and just generally seeing things working, went into the Jan 7, 2022 · First, I wouldn't get 40000MHz DIMMs, especially with Ryzen. However, effective RAM speed is also limited by that “FCLK” metric you’re seeing in those benchmarks. Download ZenTimings and link a screenshot of your RAM timings, Help configuring 5800X3D to handle 3600mhz memory Sep 5, 2021 · To clarify my question about whether or not there are benifits to running the FCLK frequency at half of the memory clock, If auto is setting fclk to 1200mhz when ram is set to 3600mhz , manually changing fclk to 1800 should improve performance. When I installed the RAM, it reported a low frequency, so I turned on XMP and now it's at 3590MHz (I'm ok with that). Some motherboards won't set it to this ratio even with auto, for some reason. 36 instead of 1. I thought it was a bit better than this when I bought it, but it is Hynix C-die CJR. 85ghz - 6800XT Gigabyte gaming OC - FlareX 3200CL14 B-die at 3600mhz 16 16 16 16 32 48 TRFC 288 - MSI B450 Gaming Plus - Oct 17, 2021 · Hi everyone, I know it's been asked before. In addition, I changed the memory timings to 16-18-18-38 to improve performance. Memory timings are referring to this clock. I'll add some captures. (no manual changes to ram timings were applied, I just went with XMP and set frequency to 3600 and High Frequency Support to Level 3, and it automagically overclocked it without any issues) My doubt is: will FCLK of 1900mhz or higher Jul 11, 2023 · Explore the fclk frequency. Aug 31, 2022 · I just upgraded to 3600MHz RAM, however I realized that the board is only specified to support up to 3200MHz. Higher frequency can degrade the performance but there are exceptions. With AMD Ryzen you want to set the FCLK half of your memory speed, so when using, for example, 3600mhz then set the FCLK to 1800mhz. Anything above 2933 is considered overclocking I'm running a R9 3900X with Corsair 3600MHz RAM. As always, DDR stands for Double Data Rate, so a 3200MHz DDR4 kit is more accurately said to have a 1600MHz clock and a 3200MT/s data transfer rate. 4. Dec 5, 2020 · Frequency as high as possible (subject to FCLK 1:1 limitation) and tCL as low as you can go. It goes without saying that the first configuration should be faster. Depending on your luck, you can run your FCLK up to 1900 (that is 3800 MT/s RAM speed). Hynix D-die, which it would appear from another post is a newer Dec 1, 2019 · Yeah you should be able to, probably even able to just leave it at 3600MHz, Although it would be considered overclocking for anything about 3200MHz. Soc voltage can help with fclk, shouldn't exceed 1. yxew edb cxpmt hbgpve smdm gdsndkz dfqlp cna akoco ctvmr