Intel Xeon E5 1660 's Advantages
Higher base frequency (3.3GHz vs 2GHz)
Lower TDP (130W vs 180W)
AMD EPYC 7551P 's Advantages
Released 5 years and 3 months late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (64MB vs 15MB)
More modern manufacturing process (14nm vs 32nm)