AMD EPYC 9554P 's Advantages
Released 13 years and 2 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (3.1GHz vs 2.667GHz)
Larger L3 cache size (256MB vs 8MB)
More modern manufacturing process (5nm vs 45nm)
Xeon X3450 's Advantages
Lower TDP (95W vs 360W)