AMD EPYC 7573X 's Advantages
Larger L3 cache size (768MB vs 256MB)
Lower TDP (280W vs 360W)
AMD EPYC 9554 's Advantages
Released 8 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.1GHz vs 2.8GHz)
More modern manufacturing process (5nm vs 7nm)