AMD EPYC 7663 '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 20MB)
Intel Xeon E5 2665 's Advantages
Higher base frequency (2.4GHz vs 2GHz)
Lower TDP (115W vs 240W)