Xeon E5530 's Advantages
Higher base frequency (2.4GHz vs 2.2GHz)
Lower TDP (80W vs 280W)
AMD EPYC 7773X 's Advantages
Released 13 years late
Higher specification of memory (3200 vs 1066)
Newer PCIe version (4 vs 2)
Larger L3 cache size (768MB vs 8MB)
More modern manufacturing process (7nm vs 45nm)