AMD EPYC 7643P 's Advantages
Released 9 years late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Higher base frequency (2.3GHz vs 2GHz)
Larger L3 cache size (256MB vs 35MB)
More modern manufacturing process (7nm vs 22nm)
Intel Xeon E5 2683 v3 's Advantages
Lower TDP (120W vs 225W)