What are said to be leaked specifications for AMD’s upcoming server processors from the Epyc Genoa-X family point to us seeing as much as 1.25 GB of cache in the new processors.
AMD is expected to launch its new family of server processors called Epyc Genoa-X later this year. This will be the company’s second set of server processors equipped with 3D V-Cache. The same type of stacked cache we saw in the recently launched Ryzen 7000X3D processors.
The home page Wccftech claims to have obtained the specifications of two different Epyc Genoa-X processors. The two unit parts come with identical specifications but one is an engineering sample and the other is supposed to be a test sample for resale. The two circuits unsurprisingly share a lot with existing Genoa processors. Both are designed for socket SP5 and come with 12 Zen 4 CCD circuits containing the processor cores.
What then distinguishes these from AMD’s usual Genoa processors is the previously mentioned stacked cache memory on top of the CCD circuits. These should come with 64 MB of extra L3 cache per circuit. Which means 768 MB of L3 cache from the stacked circuits added to the processors’ 384 MB of L3 cache of the processor cores and 96 MB of L2 cache. All in all, it should be 1,248 MB of L2 and L3 cache plus three megabytes of L1 cache.
In terms of clock frequencies, it should be up to 3.7 GHz, which is the same level that AMD’s 96-core Epyc 9654 can reach. The TDP value of these devices is listed as 400 W but should be adjustable down to 320 W.
As previously mentioned, AMD is expected to launch the Epyc Genoa-X later in 2023. Exactly what the different models the company has planned will look like remains to be seen. However, the amount of cache should be reasonably consistent with this reputation. This considering the number of CCD circuits and how much cache AMD previously added in the form of extra circuits.
