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Since the announcement of AMD’s Zen 3 core microarchitecture, we expected three product series to be announced: the Ryzen Desktop, the Ryzen Mobile, and the Enterprise EPYC. So far, desktop parts are now launching and retailing (if you can find them), and Ryzen mobile processors are part of AMD’s CES disclosures this week for retail in February. That leaves only the Zen 3-based EPYC, which AMD decided to preview as part of its keynote presentation at CES today.
When it comes to the design of the Zen 3 EPYC “ Milan ” processors, we expect an almost smooth transition from the old Zen 2 EPYC “ Rome ” ecosystem, with pin-compatible processors offering up to 64-core and 128 PCIe 4.0 lanes. For performance, if desktop processors are anything to go by, we should expect to see + 19% CPI gains as well. The question remains as to frequencies and efficiency, and when the time comes for AMD to announce the product stack, we’ll see where the solution stands against the competition – if AMD has a significant competitive advantage, it there is no doubt that prices will rise accordingly. good. The previous generation EPYC 7742 had a “list price” of $ 6,950 for comparison.
In today’s keynote presentation, AMD CEO Dr Lisa Su presented a weather forecast simulation code known as WRF, with two of the new 32-core Milan processors against the popular Xeon 28-Core Gold 6258R from Intel (we reviewed them). The demo showcased a simulation of a 6-hour weather model over the continental United States, where the dual-socket Milan was 46% faster than Intel. This was calculated based on the final cut frame of the simulation in the keynote, which showed that where Intel was 56% complete, AMD was 82% complete.
+ 68% for a single take, + 46% for a double take
AMD’s own metric then showed a + 68% difference when comparing a single socket solution. AMD did not provide exact details on the rest of the system used in their testing. It should be clear that, as this is a preview, we cannot validate AMD’s performance claims.
We expect more details on Milan and AMD’s portfolio later this year. Sooner rather than later.
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