7950x fclk. Use AIDA64's cache and latency test and check your own system - sometimes the math is not perfect due to internal mysteries and rounding errors. What makes things complicated though, is that keeping the beast cool is almost impossible. RAM speeds: 3333MHz+ = KEEP you FCLK at 1:1 with your MCLK (MCLK = 1/2 of RAM speed) Bonus: in depth video. Tags 128gb 7950x am5 ram zen4. g. At least I really doubt it I don't think I've seen someone have their fclk keep up as far as I'm aware. Not that it matters much, as the FCLK is barely hitting 64 GB/s of read bandwidth to s single CCD. He does 6200 mhz and utilizes an fclk bug to get his ram to run at 6399 (so, 6400). As with many others, agesa 1080 bumped my max stable fclk from 2133 to 2200. Feb 22, 2023 · Robert also states that memory overclocking is a little bit different with Ryzen 7000 since 1:1:1 (FCLK:UCLK:MCLK) isn't important anymore. actually there's some weirdness with the FCLK where certain ratios are faster than the higher ones. If you only have 1 CCD, making the computer potentially unstable for negligible difference in performance is not worth it. Luke enabling an XMP profile likely would put it at half Sep 26, 2022 · AMD Zen 4 Ryzen 9 7950X and Ryzen 5 7600X Review: Retaking The High-End by Ryan Smith & Gavin Bonshor on September 26, 2022 9:00 AM EST. Which you can change your trefi to 60074 or 65535, whichever is stable for you. Temps maxing out around 88C using single fan kraken AIO. 5 patch C. FCLK is running 1:2:1 It's not - those ratios don't make any sense. So I've been lucky enough to pick one up after I've been a long time 3950x user. We called the 9700X a flop and the 9600X a disaster, and our assessment of the 9950X . Confirmed A Zhihu column that provides a platform for free expression and writing as desired. . Menu News Hardware Gaming Mobile Finance Software Deals FCLK is the frequency of the infinity fabric that controls communication between the CCXs or CCD. As before, the 3D-stacked SRAM L3 chip weighs in at 64MB For 2000MHz FCLK you may need 1. As with the Ryzen 3000/5000 series, the IOD is a die separate from the CPU Mar 5, 2023 · 7950X3D Chiplet Boosts, Voltage, Thermal, and Throttling Tests Page 1: 3D V-Cache For The High End Page 2: AMD Ryzen 9 7950X3D: 2nd-Gen 3D V-Cache Tech, Latency Testing Page 3: 7950X3D Chiplet Thanks all. 4ns。正好也佐证了上面的推断。也能判断在目前电压设置下fclk=2133是延迟比较正常的一样状态。 Sep 26, 2023 · Zen4 which run 2233 FCLK is a unicorn not yet found 😅 Strongest IO-dies (IMC) will do 6800MT/s 1:1 on ambient air, but noone have been able to find one that does 2233FCLK yet. Aug 14, 2024 · However, whether due to a later adjustment or just plain wrong, the Ryzen 9 9950X is only $50 cheaper than the Ryzen 9 7950X at $649, rather than the $100 lower price leak of $599. 14V which I should be able to reduce, but first I am confirming whether SoC is set high enough. On top of that, he doesnt tell you what the latency figures are. Now, I just finished some memory tweaking (all timings/sub-timings). 32v) and am currently running a stress test on the RAM but so far so good but the temps are a bit warm at about 56C and look to have stabilized. Oct 30, 2023 · Put simply, not every CPU and motherboard are going to handle the Fclk at 2000 - lower it to 1800 and see if your slow boot issues go away. 4VSOC. I set the BIOS to EXPO I and booted up into Windows, it boots well but once I start up a Prime95 it stops within a few seconds with rounding errors, tried with EXPO II as well but the result is the same. It's desynced, as fclk usually is on Raphael. It's weird because in one statement they said "3000, no 3200," but then about a couple minutes later at 13:40, they referred to the same system and said it's at "2200 FCLK. Dec 10, 2020 · Just checking if I am too picky here - I recently exchanged an interim 5800x with a 5950x. 5，所以 ,电脑讨论(新),讨论区-生活与技术的讨论 ,Chiphell - 分享与交流用户体验 Sep 26, 2022 · AMD Ryzen 7000 CPUs & AM5 platform is here and today, we take a look at the Ryzen 9 7950X & Ryzen 7 7700X CPUs on the AORUS X670E Master. Aug 14, 2024 · The 7950X was, on average, 32% faster than the 5950X, yet the 9950X is just shy of 1% faster than the 7950X. 此时CPU和内存控制器之间的Data Fabric频率（FCLK）再减半，而内存控制器和内存之间的频率依旧保持不变。 Apr 1, 2023 · AM5 Zen4 7950X - 128GB RAM Testing Help. Typically FCLK seems like it will be set to 2000 MHz by the auto setting according to that anandtech article, and I don't think there's that much to be gained by messing with it beyond that. It should be set at 2000mhz for 6000Mts (2:3). Skill 3800CL14 Ram (4*8) to replace The UMC/FCLK are the main issue for this setup. At low CPU temps it works fine, but once any actual load gets applied and CCDs reach 95 o C, it starts spewing errors. 1-1. I seem pretty stable at a 3600 mem, 1800 Fclk right now. From what I read, it's not too flexible and most people just run FCLK 2000 and memory at 6000 mhz. 0. 1 V VDD Misc, 1. If I try 6200MHz on the memory clock, the NB clock drops to 933MHz, so this is the fastest memory clock speed I can achieve while keeping the northbridge at full speed. The FCLK is set to 2000 MHz and the UCLK DIV1 MODE is set to UCLK=MEMCLK (1:1). zen4发布也有快一个月了，分享这个只是抛砖引玉，毕竟网上zen4+技嘉超频的分享真的极少，吧友勿喷，纯折腾分享，楼主就最近的折腾经验来抛砖引玉，首先介绍一下平台；处理器：AMD RYZEN9 795 Dec 3, 2022 · 2、fclk=2166更稳了 3、pbo2状态下稳定度有小幅度提升 4、内存性能大幅度提升 测试平台： 7950x c9g 海盗船铂统6400 xmp 16x2 龙神2 360+a12x25 猛禽3080 下面跟各位小伙伴分享下，我是如何调校这颗7950x的 Sep 27, 2022 · Test setup. As expected, there are going to be several existing Sep 26, 2022 · Finalmente llega Zen 4, llega los nuevos procesadores del Team Red con el AMD Ryzen 9 7950X a la cabeza, el cual analizaremos para todos vosotros. When paired with the right workload it will eat even the 12900K for breakfast. As our review shows, the performance uplifts can be massive: +30-50% gen-over-gen is totally possible. Oddly, even though I kept the timings that the ddr4000 kit gave for 4000mhz, the system keeps setting CAS latency at 20 even though I set it at 19 in the bios. For example, the Infinity Fabric (FCLK) now runs independently of the RAM controller (UCLK) and RAM (MCLK) and has its new sweet spot at 2000 MHz, which is also set automatically when loading EXPO or XMP profiles. fclk不是越高越猛、越低越稳的，得挨个档次自己尝试过去才知道。 Remove your fclk overclock. Jan 19, 2023 · Well just upped the tRefi (65535) and the Fclk (2100), had to up the SOC due to a instant reboot (1. Problem is that whereas the 5800x easily moved along fine at 2000 Mhz FCLK with full autosettings in BIOS, my new 5950x struggles even doing 1866Mhz FCLK. Mar 26, 2023 · 我们常说的fclk其实就是if总线的频率，fclk 1800mhz，那么if总线的频率就是1800mhz。 FCLK和CPU的核心频率是不一样的，大家要注意区分。 MCLK就是内存的频率，比如说DDR5 6000，这6000就是具体的速率，而由于内存是一周期2bit的输出传输，所以MCLK对应的是3000，除以二就行了 Only want to manually set FCLK MCLK and UCLK but get the best value out of box latency and mhz without setting any other timmings, if possible. Aug 10, 2022 · Our friend, Yuri Bubliy aka 1usmus has managed to extract the latest AMD Ryzen 7000 "Zen 4" CPU & memory tuning options from the latest BIOS. Mar 5, 2023 · On the surface, the 7950X3D appears to merely be a Ryzen 9 7950X with an extra L3 cache chiplet and additional silicon and software tuning. SKILL Trident Z5 Neo DDR5-6000 (30-38-38-96) F5-6000J3038F Jan 9, 2023 · 7950x现阶段超频结果及请教,主板 华硕X670E HERO先说BIOS，新版正式版是0805，测试版是0902，0902出来后就刷了，搞了一天各种莫名其妙的问题，然后刷回0805，转贴兄说1. Otherwise, I get less performance but still stable. The reason this worked in the past (afaik) was a bug in AGESA which is fixed in 1. Aug 6, 2022 · Ryzen 9 7950X 16-core/32-threads 170W TDP max 230W Ryzen 9 7900X 12-core/24-threads 170W TDP max 230W Ryzen 7 7700X 8-core/16-threads 105W TDP max 142W Ryzen 5 7600X 6-core/12-threads 105W TDP max 142W As seen, power is much higher than Zen 3, even though it's a more energy efficient manufacturing process. 1 V VDDP. The test system for the guide consists of the AMD Ryzen R9 7950X 16-core CPU and the ASRock X670E PG Lightning motherboard. I have the FCLK at 2033 and MCLK at 6000. For example: JEDEC 5300 fclk goes to 1767, 6000 RAM May 3, 2021 · Starting with AMD Ryzen 3000 processors, the use of a RAM memory of 3733 MHz or more causes the FCLK to reduce its speed, or in other words, that the ratio we have talked about before goes to 2: 1 with respect to to the MCLK. There is very little performance gain with it. If you just leave it at auto, anything over 6000 will automatically make the fclk half speed. Even though the silicon lottery and the optimization of motherboards always play a big role for RAM overclocking – EXPO and XMP are nothing else – the elementary AGESA microcode from AMD is the same for all motherboards, no matter if the X670(E Dec 12, 2023 · overclocking FCLK only makes sense for SKU with more than 1CCD (7900x, 7950x) performance-wise. I want to be safe. youtube. Frame chasers did NOT do 6600+ on zen 4. See full list on skatterbencher. I had adjusted my CL down to 32 but hadn't touched any other timings yet. OP is using 2167, which is neither of those numbers and not close to any whole number ratio. 1900 MHz for DDR5-5600. 4有问题，等1. But if 2133 FCLK is stable, the CPU isnt suffering, right? 新的IOD的内存控制器频率（uclk）不再与IF总线频率（fclk）1:1绑定，对于锐龙7000系列来说，fclk、uclk、mclk的1:1:1比率不像以前那么重要，具体情况后面讲DDR5内存时再说。 锐龙7000系列处理器规格一览 Sep 26, 2022 · AMD Ryzen 7000 CPUs & AM5 platform is here and today, we take a look at the Ryzen 9 7950X & Ryzen 7 7700X CPUs on the AORUS X670E Master. Posted in; CPUs; AMD; DDR5; Zen 4; AM5; LGA1718; Ryzen 7000 Sep 26, 2022 · Whether it’s a 7600X or 7950X – one CPU chiplet or two – every Ryzen 7000 processor gets one of AMD’s new IODs. May 15, 2023 · 第二：目前电压下的fclk=2200其实并不是最佳的电压设置，其实并不稳定所以导致了延迟跟fclk=2000没啥差别。 退一步把fclk降到2133，可以看到内存延迟会稍微降到61. 15V to get 1900MHz FCLK stable. I just want best fps without doing dangerous OC to CPU. But mhz should match all those 3 values proportionally. Unless otherwise described, the following configurations also use these voltage settings. com/watch?v=hpFb6mxNfDIThis video covers the history of memory standards on AMD CPUs as well as answeri Even for 5600 MT/s, one cannot expect FCLK to be able to do 2800 MHz. For comparison, the Core i9-12900KS had to reach Jan 26, 2023 · Apparently, having a higher FCLK and MCLK doesn't automatically mean better performance. Clip from the original livestream https://www. 楼下接上，本人116，看过最高的up主是117退回去看看继续退116又回来了 【图片】7950x体质收集参考贴【amd吧】_百度贴吧 网页 资讯 视频 图片 知道 文库 贴吧 地图 采购 Sep 27, 2022 · The remaining voltages are automatically set by the BIOS: 1. Come join the discussion about computing, builds, collections, displays, models, styles, scales, specifications, reviews, accessories, classifieds, and more! AMD Ryzen 9 7950X on ASUS ROG Crosshair X670E Extreme, DDR5-6000 CL30 EXPO - FCLK AUTO, UCLK=MEM (AUTO:1:1), Custom PBO, Curve Optimizer as positive on all cores, CPU Boost is negative, ASUS Dynamic OC Switching enabled, eCLK enabled as Asynchronous. Ryzen RAM at 6000+ can't use them speed due to limitation of the FCLK, so loosening them up will still net you same performance while making things more stable in general. Nueva generación muy esperada para ver de lo que es capaz el troquel TSMC de 5 nm, capaz de alcanzar los 5,7 GHz en Boost sobre una unidad tope de gama que equipa 16 núcleos y 32 hilos. 4 GHz on all 16 cores to score 40,498 points in Cinebench R23 to outpace the Core i9-12900KS, the previous record holder. Sep 27, 2022 · The FCLK remains capped at 2000 MHz, at least as long as it is not changed manually. It is mentioned that to achieve the best results, you should leave the FCLK to auto and overclock the memory modules and memory controller in 1:1 mode. " So I think they either mis-spoke with the 3200 statement, accidentally having it attributed to FCLK when it may have been UCLK/MCLK at 3200 with FCLK at 2200. Sep 26, 2022 · The Ryzen 9 7950X is a monster CPU. Aug 14, 2024 · The Ryzen 9 9950X has the same 170/230W TDP rating as its prior-gen counterpart, the 7950X, but it does consume 7–15 percent less power in a range of workloads, like y-cruncher BBP, HandBrake The PHYs on AMD Raphael aren't capable of more than DDR5-6400, even using UCLK=MCLK/2 mode doesn't help with increasing memory frequency. I am still in the process of stability testing though, and currently using VDDG IOD 1. Hi, I recently bought a Ryzen 7950x with an ASUS TUF B650M Plus motherboard with a Kingston Fury Beast DDR5 6000MHZ CL36 32GB kit. I'll be using the desktop for more than just gaming, running some VMs etc. Previously, I was running with an FCLK of 2167 and an MCLK of 6200. 而当内存频率超过FCLK承载上限时，则按照2:1分频. Same goes for FCLK at anything more than 2067Mhz. 8 and MT to 5. In conclusion, Zen 4 also breaks with some of the conventions of previous Zen CPUs in terms of tuning. Like my 7950X with 6000 on the RAM has the lowest AIDA latency and faster PyPrime with 2033 rather than 2066 or 2100. Only hope for that speed is Phoenix APU since its a monolithic die-design Sep 27, 2022 · Summary and Recommendations. My 7950x needs 1. com Jan 9, 2023 · To put this into perspective, adjusting all the memory timings and subtimings to near optimal settings has improved CPU and memory performance twice as much as increasing the FCLK from 2000 to Sep 21, 2022 · The Ryzen 9 7950X hit 5. The last is to prevent the CPUs memory controller to downclock when increasing the RAM clock. The 6098MHz is achieved using a quirk in current Agesa BIOS settings where setting the memory to 6000MHz and the FCLK to 2033MHz results in a 6098MHz memory clock. I'm looking for some advice regarding ratios of FCLK vs the memory clocks. You can try upping your FCLK to 2100, majority of people can do 2100 FCLK. 15V on SoC or both. That would be 6400 fclk - or 1600fclk if you reversed it. Its quite s shame as I have just installed my shiny new 32 GB G. fclk不是越高越猛、越低越稳的，得挨个档次自己尝试过去才知道。 举个例子：DDR4 3200MHz内存实际运行频率1600MHz，低于FCLK上限的1800-1900MHz，因此实际FCLK运行频率就是1600MHz. Am currently about to purchase my first desktop in several years and decided to go with the latest AMD Ryzen 9 7950X or 7950X3D CPUs. 2 V VDDG CCD, 1. UMC voltages are vddp, vddg ccd,vddg iod, VSoC, VSoC LLC. For zen 4 the FCLK maxs out at around 2000 while the MCLK and UCLK can do 3000, so not exactly 1:1:1. 3 V SOC, 1. I have to use SoC ~1. Oct 23, 2022 · 7950X+X670. 2 on a super power/air constraint SFF Lian Li case. so don't have to go the 7950X3D, but I do want to get a good balance between overall performance for workloads and occasional gaming. 15v to run 2000 fclk. For RAM clock rates below DDR5-6000, an average value is automatically set for FLCK between the base clock of 1800 MHz and the maximum of 2000 MHz, e. Doesn't sound like they did manual tuning to keep it at 1:1 ratio. Would the best way be to just turn on XMP and set the FCLK to half of what the RAM frequency is? What about other settings like timings? What other settings do I need to know to maximize performance and stability? Thank you so much! Your fclk can't keep up. Though 6200 is just faster than any of the 6000 based settings. Nov 1, 2011 · zen4 ddr5内存超频的一些坑(7950x) amd又垃了，坛里现在也没几个人玩7950x，什么材料都没有。只能看老外的，再加上自己的一些摸索，我来给仅存的持有者留一点资料吧。 1. 4 V VDDIO, 1. For some context, my hardware: CPU: 7950x3D I have simply increased the memory frequency to 6400 as well as increase FCLK to 2133 and set "UCLK DIV1 MODE" to "UCLK=MEMECLK". Some motherboards break the CPU boost with FCLK 1800+ Bonus3: FCLK overclock depends on the silicon quality of your CPU! The typical range is 1800-1900. Cooler: Arctic Liquid Freezer II 360, Case Fractal Torrent. Specs: AMD Ryzen 9 7950X Asus ROG CROSSHAIR X670E HERO (Latest BIOS 1602) (OPEN BOX) 32GB G. The config is 6200 + flck 2133 = 6400. 7950x is an engineering marvel! Running it -10 CO, single core boosting to 5. Bonus2: Keep in mind the high voltage bug of FCLK on some BIOS versions. Jan 10, 2021 · From what I understand, the FCLK and frequency of RAM should match to maximize the performance. Nov 13, 2023 · 7950X 先超FCLK再超内存吗？,双十一买到机器到手了，开了EXPO，别的AUTO，FCLK设置2200居然就进系统了？是不是内存超到6400就没必要折腾了？,电脑讨论(新),讨论区-生活与技术的讨论 ,Chiphell - 分享与交流用户体验 Oct 24, 2022 · 7950x体质收集参. Robert also states that memory overclocking is a little bit different with Ryzen 7000 since 1:1:1 Sep 22, 2023 · Latest revision: I am no longer using an open box motherboard, all the places in the OP that reference using an open box board is now out of date. The UMC just refuses to function at 6400 MT/s, even at 1. 2 V VDDG IOD, 1. 2033 is no longer a boost and you are incurring a performance penalty using a fractional value of your mem clock. Jul 30, 2021 · A forum community dedicated to overclocking enthusiasts and testing the limits of computing. 讲完CPU上的提升，再来聊聊这次内存上的改进，这次AMD的DDR5模式依旧和intel有很明显的区别，熟悉Zen 3内存工作模式的粉丝就知道，Zen 3的最佳内存频率设置是FCLK：UCLK：MCLK这三项1:1:1的时候，也就是IF频率要和内存控制器频率以及内存频率都是相同的频率，比如 Aug 31, 2022 · Now as per Robert, we now know that the default FCLK for AMD Ryzen 7000 CPUs is set to 1733 MHz. Thus, if we install 3733 MHz RAM, its frequency will be 1866 MHz and the FCLK will become 933 MHz. Also pll in some cases can be useful for stabilize the FCLK. afvcgkkpavmzcjsfnvzzstrxxixuxiralxknnpktgjjt
