AMD EPYC 7303 's Advantages
Released 10 months late
Lower TDP (130W vs 360W)
AMD EPYC 9554 's Advantages
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.1GHz vs 2.4GHz)
Larger L3 cache size (256MB vs 64MB)
More modern manufacturing process (5nm vs 7nm)