AMD EPYC 7643P 's Advantages
Higher base frequency (2.3GHz vs 2GHz)
Larger L3 cache size (256MB vs 112.5MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (225W vs 385W)
Xeon w9 3595X 's Advantages
Released 11 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)