Xeon 6731E 's Advantages
Released 9 years late
Higher specification of memory (5600 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (2.2GHz vs 2GHz)
Larger L3 cache size (96MB vs 40MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 4667 v3 's Advantages
Lower TDP (135W vs 250W)