AMD EPYC 7343 's Advantages
Higher base frequency (3.2GHz vs 2.75GHz)
Lower TDP (190W vs 290W)
AMD EPYC 9454P 's Advantages
Released 1 years and 8 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (256MB vs 128MB)
More modern manufacturing process (5nm vs 7nm)