AMD EPYC 9354 's Advantages
Released 12 years and 9 months late
Higher specification of memory (4800 vs 1066)
Newer PCIe version (5 vs 2)
Higher base frequency (3.25GHz vs 2GHz)
Larger L3 cache size (256MB vs 8MB)
More modern manufacturing process (5nm vs 45nm)
Xeon EC5509 's Advantages
Lower TDP (85W vs 280W)