AMD EPYC 7643P 's Advantages
Released 10 years late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.3GHz vs 2GHz)
Larger L3 cache size (256MB vs 20MB)
More modern manufacturing process (7nm vs 22nm)
Intel Xeon E5 2640 v2 's Advantages
Lower TDP (95W vs 225W)