AMD EPYC 7663P 's Advantages
Released 13 years and 7 months late
Higher specification of memory (3200 vs 1333)
Newer PCIe version (4 vs 2)
Larger L3 cache size (256MB vs 4MB)
More modern manufacturing process (7nm vs 45nm)
Xeon EC5539 's Advantages
Higher base frequency (2.266GHz vs 2GHz)
Lower TDP (65W vs 240W)