AMD EPYC 7643P 's Advantages
Released 5 years and 2 months late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 8MB)
More modern manufacturing process (7nm vs 14nm)
Xeon E 2134 's Advantages
Higher base frequency (3.5GHz vs 2.3GHz)
Lower TDP (71W vs 225W)