Xeon EC5549 's Advantages
Higher base frequency (2.533GHz vs 2.45GHz)
Lower TDP (85W vs 280W)
AMD EPYC 7763 's Advantages
Released 11 years and 1 months late
Higher specification of memory (3200 vs 1333)
Newer PCIe version (4 vs 2)
Larger L3 cache size (256MB vs 8MB)
More modern manufacturing process (7nm vs 45nm)