AMD EPYC 7451 's Advantages
Lower TDP (180W vs 360W)
AMD EPYC 9654 's Advantages
Released 5 years and 5 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Higher base frequency (2.4GHz vs 2.3GHz)
Larger L3 cache size (384MB vs 64MB)
More modern manufacturing process (5nm vs 14nm)