AMD EPYC 7643 's Advantages
Released 7 years and 6 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 30MB)
Intel Xeon E5 2695 v2 's Advantages
Higher base frequency (2.4GHz vs 2.3GHz)
Lower TDP (115W vs 225W)