Intel Xeon E5 2640 's Advantages
Higher base frequency (2.5GHz vs 2.2GHz)
Lower TDP (95W vs 280W)
AMD EPYC 7773X 's Advantages
Released 10 years late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (768MB vs 15MB)