Xeon 6731E 's Advantages
Released 12 years and 3 months late
Higher specification of memory (5600 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.2GHz vs 2GHz)
Larger L3 cache size (96MB vs 20MB)
More modern manufacturing process (5nm vs 32nm)
Intel Xeon E5 2650 's Advantages
Lower TDP (95W vs 250W)