AMD EPYC 7643P 's Advantages
Released 12 years and 5 months late
Higher specification of memory (3200 vs 1333)
Higher base frequency (2.3GHz vs 2GHz)
Larger L3 cache size (256MB vs 24MB)
More modern manufacturing process (7nm vs 32nm)
Xeon E7 4850 's Advantages
Lower TDP (130W vs 225W)