AMD EPYC 7643 's Advantages
Released 9 years and 11 months late
Higher specification of memory (3200 vs 1333)
Higher base frequency (2.3GHz vs 2.266GHz)
Larger L3 cache size (256MB vs 24MB)
More modern manufacturing process (7nm vs 32nm)
Xeon E7 8860 's Advantages
Lower TDP (130W vs 225W)