AMD EPYC 9645 's Advantages
Released 13 years and 6 months late
Higher specification of memory (6000 vs 1333)
Higher base frequency (2.3GHz vs 2.266GHz)
Larger L3 cache size (256MB vs 24MB)
More modern manufacturing process (3nm vs 32nm)
Xeon E7 2860 's Advantages
Lower TDP (130W vs 320W)