Intel Xeon E5 2663 v3 's Advantages
Higher base frequency (2.8GHz vs 2.1GHz)
Lower TDP (105W vs 120W)
AMD EPYC 7251 's Advantages
Released 2 years and 9 months late
Higher specification of memory (2400 vs 2133)
Larger L3 cache size (32MB vs 25MB)
More modern manufacturing process (14nm vs 22nm)