![]() The Z5 DDR5 RAM kit features RAM modules that are clocked at 6000MHz which is supposedly the sweet spot. G.Skill TridentZ memories are one of the most premium memories and work super fast out of the box. It is just that you should leave them as it is or your performance might get even worse if you lower the CL timings to a point where the sub-timings have to be re-adjusted or your RAM gets crashed due to wrong timings. Therefore, it won’t matter what CAS Latency you have on your DDR5 RAM kit. When the CL timings are reduced to 28, the sub-timings automatically change which is significantly inferior compared to the sub-timings when the CAS Latency timing was at 40. With a 6400MHz RAM kit with CAS Latency timing at 40, the results are much better due to having better sub-timings. As demonstrated by Buildzoid 2), lower CL timings don’t impact the performance as the tRCD timings and other sub-timings matter the most. ![]() ![]() Sometimes it is even worse to go with lower CL timings. Lower CL Timings Don’t Matter TooĪgain, the CAS Latency on DDR5 RAM doesn’t affect the performance. both 7900X and 7600X don’t see any significant or even noticeable impact in performance with the 6000MHz RAM kit.Ĭonsidering that the cost of DDR5 RAM clocked at 6000MHz is currently around 15-20% higher than the 5200MHz DDR5 RAM kits, the overall improvement in performance with the 6000MHz kit is negligible. Whatever app you consider, whether it is Cinebench R23, Blender, Z-Zip, Corona 1.3, Geekbench 5, etc. The difference in performance was more in Memory-intensive applications like AIDA64 which sees around a 10% increase in performance with the 6000MHz RAM but this is not the case even in CPU-intensive apps. While one may argue that eTeknix didn’t show what were the CAS Latency timings of both RAMs, it really doesn’t matter which I will explain later. Surprisingly, the 6000MHz memory kit didn’t show any bump in gaming performance whatsoever except in a game or two that was very little. The processors tested from the 7000 family were the 7600X and 7900X. Yes, the performance gain will still be there but in most cases, it will be so little that it can be considered under the margin of error.Įven though AMD’s Robert Hallock says that the “Sweet Spot” for DDR5 RAM is 6000MHz, the results show something different.ĮTeknix 1) compared a DDR5 6000MHz and DDR5 5200MHz kit to find out which is faster. ![]() DDR5 is not like DDR4 where you keep going up and get significant improvements in performance. Faster DDR5 Memory Speeds Don’t Matter A Lot So, we are not currently having a lot of flexibility in overclocking and definitely do not have a great memory frequency support as we have on DDR4.ĭDR5 is relatively new and will take some more time to be perfectly supported with different specs and configurations. If you are going to use 4x RAM modules having single or dual rank each, the default supported frequency will be 3600MHz but with dual memory configuration irrespective of the rank, Ryzen 7000 CPUs will run at 5200MHz. If the DDR5 RAM stick features 16GB or lower, it will be a single-rank module but anything equal to or higher than 32GB will be a dual-rank.Īccording to AMD, the max memory speed will also depend on the type of DDR5 memory and the configuration you will use. However, it is important to understand that DDR4 RAM comes only in a single rank i.e., with a single 64-bit channel while DDR5 RAM comes in both single and dual ranks with two independent 32-bit channels on the latter which translates to 4x 32-bit configuration in dual-DIMM rather than 2x 64-bit with DDR4. So, we are already seeing a big jump over DDR4 which has a base frequency of 2133MHz. The base frequency of DDR5 RAM starts at 4800MHz all the way up to 7200MHz with the current RAM availability. Ryzen 7000 Supports Only DDR5ĪMD dropped DDR4 support for the Ryzen 7000 series completely and with the launch of AM5 motherboards, you can now use only DDR5 RAM with the Ryzen 7000 CPUs.ĭDR5 RAM feature somewhat different characteristics than DDR4 RAM and therefore, assuming that the impact of DDR5 RAM will be similar to that of DDR4 will be wrong. In this post, we will look at how the Zen 4-based Ryzen 7000 CPUs respond to different types of RAM and what are the best RAM kits you can currently buy for your Zen 4 CPU. This is why most Ryzen owners shop more attentively for better RAM than Intel CPU owners. Ryzen processors have largely benefitted from faster RAM most of the time and even more so compared to Intel CPUs. With every passing generation of CPUs, we see a different kind of impact of RAM on performance and Ryzen 7000 is no different. The impact varies from one RAM kit to another which is mostly due to the RAM specifications and configurations. ![]() There is no debate on whether RAM has any impact on gaming performance or the performance in CPU and memory-dependent applications. ![]()
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