Intel Xeon E5 1691 v3 's Advantages
Higher base frequency (2.5GHz vs 2.25GHz)
Lower TDP (135W vs 225W)
AMD EPYC 7742 's Advantages
Released 4 years and 11 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 35MB)
More modern manufacturing process (7nm vs 22nm)