![]() ![]() For this reason, AMD doesn’t even allow overclocking on these processors. The reason for the lower frequencies of the 5800X3D is reportedly that the chiplet connection technology used with the 3D V-cache cannot handle the high supply voltages that can be used in the rest of the CPU chiplet (it is possible that this limitation will be relaxed in future generations). The Ryzen 7 5800X3D is 250 MHz slower in terms of gaming boost compared to the R7 5800X (with “only” 32 MB 元 cache) and single-core boost speed is reduced by up to 350 MHz. One thing is better (bigger, faster) cache and another thing is lower frequencies that had to be “sacrificed”. This is because data from it is served directly and with significantly shorter latency. If such a program spends too much of its runtime waiting for data from RAM, then there can be a massive speedup with 3D V-cache. The toll of such an expansion is a few cycles of increased latency.Ī large, or perhaps even huge, 元 cache is useful for programs with a working data set that exceeds 32 MB (the normal 元 cache capacity), but is ideally below 96 MB (the 3D V-cache capacity). ![]() This is a contiguous block and any core/thread can use the entire capacity. Thus, the CCX octa-core block suddenly has an 元 cache capacity of up to 96 MB. Architecturally, it’s solved in such a way that its capacity for software is transparently added to the capacity of the original 元 cache with 32 MB. The 3D V-Cache is made up of a chip soldered directly on top of the CPU chiplets. The Ryzen 7 5800X3D has a large 元 cache instead of high frequencies, which is supposed to be more efficient for games. AMD Ryzen 7 5800X3D in detailĪ full stop for AMD Zen 3, which is supposed to change the view of what is really important in “gaming” processors. So that you don’t end up disappointed with a virtually single-purpose processor that may not even excel at gaming, we’ve broken it all down in detailed tests. Sure, it may be the ultimate in gaming performance, but the desired effect is more “on paper” than practical, and when it does come, it’s in very rare cases. ![]() ĪMD’s first processor with 3D V-cache is a rather controversial piece of hardware. Photos 2/2: Affinity Photo, Topaz Labs AI Apps, ZPS X. ![]()
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