AMD EPYC 7643 's Advantages
Released 5 years and 9 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 30MB)
More modern manufacturing process (7nm vs 22nm)
Intel Xeon E5 2676 v3 's Advantages
Higher base frequency (2.4GHz vs 2.3GHz)
Lower TDP (120W vs 225W)