AMD EPYC 7551P 's Advantages
Lower TDP (180W vs 250W)
Xeon 6746E 's Advantages
Released 7 years late
Higher specification of memory (5600 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (96MB vs 64MB)
More modern manufacturing process (5nm vs 14nm)