Intel Xeon W3670 's Advantages
Higher base frequency (3.2GHz vs 2GHz)
Lower TDP (130W vs 180W)
AMD EPYC 7551 's Advantages
Released 6 years and 10 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (64MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)