Xeon E5530 's Advantages
Lower TDP (80W vs 225W)
AMD EPYC 7642 's Advantages
Released 10 years and 5 months late
Higher specification of memory (3200 vs 1066)
Newer PCIe version (4 vs 2)
Larger L3 cache size (256MB vs 8MB)
More modern manufacturing process (7nm vs 45nm)