AMD EPYC 7643P 's Advantages
Released 8 months late
Higher base frequency (2.3GHz vs 2.1GHz)
Larger L3 cache size (256MB vs 82.5MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (225W vs 270W)
Intel Xeon Platinum 8454H 's Advantages
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)