Xeon E 2104G 's Advantages
Higher base frequency (3.2GHz vs 2.2GHz)
Lower TDP (65W vs 250W)
Xeon 6731E 's Advantages
Released 5 years and 11 months late
Higher specification of memory (5600 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (96MB vs 8MB)
More modern manufacturing process (5nm vs 14nm)