With Zen 3-based desktop processors on the market and the impending introduction of laptops, AMD still has two processor families to revamp the lineup: EPYC and Threadripper.
In the servers, his bet is the AMD EPYC, which stands out for having Italian cities as code names, if the EPYC Rome was based on Zen 2, the EPYC Milan is based on Zen 3.
EPYC Milan performance on Geekbench 4
The processor that has been rated on Geekbench is the EPYC 7543, which has a configuration of 32 cores and 64 threads, so we are talking about a configuration of 4 CCD o Chiplets, and therefore we are not faced with the maximum configuration, since EPYC Milan like its predecessor EPYC Rome supports 8 CCDs or Chiplets and therefore up to 64 cores and 129 threads.
The EPYC 7543 is a processor with a 2.8 GHz base speed and 3.7 GHz boost frequency. Each Zen 3 core has 32 KB of L1 data cache and 32 KB of instructions and 512 KB of level 2 cache. In reference to L3 cache is 64 MB by chiplet or CCD, we are therefore talking about 256 MB for this level of cache in total for the 32-core configuration.
In Geekbench 4, in the single-core test, the 32-core EPYC Milan result was 6065 points, while in the multi-core performance test the result was 111379 points. This is more than enough for EPYC Milan to far outperform not a single 28-core Xeon Platinum 8280 Cascade Lake, but two of them running at the same time and in parallel.
The evolution of EPYC Rome to EPYC Milan
As with the AMD Ryzen 5000 in various forms, the changes occurred especially in the processor cores, that is, in the CCDs.
Concerning the IOD which integrates the Northbridge, in charge of memory access and the intercommunication of the various CCDs, and the Southbridge there are hardly any major changes compared to Rome where the same configuration and the same type of ‘IODs are maintained, so that Unless AMD has made cosmetic changes to the organization of the processor, at first glance, EPYC Milan should look like EPYC Rome.
AMD may add additional changes to the IOD of EPYC Milan, such as supporting more AMD CDNA GPUs for data centers through more xGMI interfaces or support of DDR4 RAM with higher speed than those supported. EPYC Rome
AMD will rule the servers for a few months
The next generation of Intel Xeon will appear at the launch of those based on the Sapphire Rapids architecture, until AMD appreciates being at the top of its performance in terms of servers of all kinds.
These processors are not sold directly to the public but come from important contracts with various companies, for AMD to place its EPYC processors is a Trojan horse so that AMD can offer its RDNA and / or CDNA GPUs and even the technology of the recently purchased Xilinx to its customers.
Will Intel have time to respond or will we see a new generation of AMD EPYC based on the rumored Zen 3+ sooner than expected? Who knows, at the moment we are eagerly awaiting the presentation of EPYC Milan which should not be too far in time.