Intel Xeon E3 1275 v3 's Advantages
Higher base frequency (3.5GHz vs 2.5GHz)
Lower TDP (84W vs 170W)
AMD EPYC 7261 's Advantages
Released 5 years late
Higher specification of memory (2666 vs 4)
Larger L3 cache size (32MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)