YuuKi_AnS has leaked the specifications and preliminary performance results for Intel’s 5th Gen Emerald Rapids Xeon Platinum 8580, CPU. Starting with the specifications, we already know that the Intel 5th Gen Xeon Platinum 8580 CPU was going to have 60 cores and 120 threads based on a prior leak by YuuKi_AnS.
Although these cores use the Raptor Cove P-Core architecture, their cache sizes have been greatly enhanced. The dual-chiplet design of this chip features 30 cores on each die, each with 2 MB of L2 cache, for a total of up to 120 MB of L2 cache. Additionally, there are 300 MB of L3 cache throughout the entire chip, giving a total cache pool size of 420 MB.
While it still does not match the 480 MB L3 cache of ordinary Genoa or the 1.5 GB cache pool of Genoa-X, that is a 2.6x increase in cache compared to the current Sapphire Rapids CPU family and is a strong start for Intel to catch up.
The ES2 SKU for this particular Intel Xeon Platinum 8580 variant uses the A0 silicon, and the clock speeds are far from final.
You are looking at 120 cores and 240 threads because the CPU was operating in a dual-socket server at 2.0 GHz clock frequencies. The motherboard is a component of the current Eagle Stream platform because Sapphire Rapids and Emerald Rapids use the LGA 4677 socket-E and support 16 channels of DDR5 memory. Performance is now a little bit slow due to lower ES clocks and subpar BIOS improvements, but this is to be anticipated and should not be compared to the final model.
Before Intel launches its Birch Stream platform in 2024, which will support Granite Rapids P-Core CPUs and Sierra Forest E-Core CPUs with up to 288 cores, the 5th Gen Emerald Rapids Xeon CPUs will be the last family on the Eagle Stream platform.
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