Intel Xeon E5 2640 's Advantages
Higher base frequency (2.5GHz vs 2.45GHz)
Lower TDP (95W vs 280W)
AMD EPYC 7763 's Advantages
Released 9 years late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 15MB)