Intel Xeon E5 2640 v3 's Advantages
Higher base frequency (2.6GHz vs 2GHz)
Lower TDP (90W vs 240W)
AMD EPYC 7663 's Advantages
Released 6 years and 6 months late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 20MB)
More modern manufacturing process (7nm vs 22nm)