AMD EPYC 7351 's Advantages
Released 8 years and 3 months late
Higher specification of memory (2666 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (64MB vs 8MB)
More modern manufacturing process (14nm vs 45nm)
Xeon W5580 's Advantages
Higher base frequency (3.2GHz vs 2.4GHz)
Lower TDP (130W vs 170W)