Xeon 6731E 's Advantages
Released 10 years and 9 months late
Higher specification of memory (5600 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (96MB vs 10MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2637 v2 's Advantages
Higher base frequency (3.5GHz vs 2.2GHz)
Lower TDP (130W vs 250W)