AMD EPYC 7451 's Advantages
Released 2 years and 7 months late
Higher specification of memory (DDR4-2666 vs DDR4-2133)
Larger L3 cache size (64MB vs 25MB)
Intel Xeon E5 2666 v3 's Advantages
Higher base frequency (2.9GHz vs 2.3GHz)
Lower TDP (135W vs 180W)