Intel Xeon E3 1225 's Advantages
Higher base frequency (3.1GHz vs 2.3GHz)
Lower TDP (95W vs 180W)
AMD EPYC 7451 's Advantages
Released 6 years and 2 months late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (64MB vs 6MB)
More modern manufacturing process (14nm vs 32nm)