AMD EPYC 7663 's Advantages
Released 9 years late
Higher specification of memory (3200 vs 1600)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 20MB)
More modern manufacturing process (7nm vs 32nm)
Intel Xeon E5 2689 's Advantages
Higher base frequency (2.6GHz vs 2GHz)
Lower TDP (115W vs 240W)