AMD EPYC 9554 's Advantages
Released 1 years and 8 months late
Higher specification of memory (DDR5-4800 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.1GHz vs 2.85GHz)
Larger L3 cache size (256MB vs 128MB)
More modern manufacturing process (5nm vs 7nm)
AMD EPYC 7443 's Advantages
Lower TDP (200W vs 360W)