AMD EPYC 7643P 's Advantages
Higher base frequency (2.3GHz vs 2.2GHz)
Larger L3 cache size (256MB vs 180MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (225W vs 270W)
Xeon Gold 6554S 's Advantages
Higher specification of memory (5200 vs 3200)
Newer PCIe version (5 vs 4)