Intel Xeon E3 1220 v3 's Advantages
Higher base frequency (3.1GHz vs 2.1GHz)
Lower TDP (80W vs 120W)
AMD EPYC 7251 's Advantages
Released 4 years late
Higher specification of memory (2400 vs 1600)
Larger L3 cache size (32MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)