AMD EPYC 9454 's Advantages
Released 3 years and 3 months late
Higher specification of memory (DDR5-4800 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (256MB vs 64MB)
More modern manufacturing process (5nm vs 7nm)
AMD EPYC 7282 's Advantages
Higher base frequency (2.8GHz vs 2.75GHz)
Lower TDP (120W vs 290W)