Xeon EC5539 's Advantages
Lower TDP (65W vs 225W)
AMD EPYC 7643 's Advantages
Released 11 years and 1 months late
Higher specification of memory (3200 vs 1333)
Newer PCIe version (4 vs 2)
Higher base frequency (2.3GHz vs 2.266GHz)
Larger L3 cache size (256MB vs 4MB)
More modern manufacturing process (7nm vs 45nm)