Intel Xeon E 2388G 's Advantages
Higher base frequency (3.2GHz vs 2.2GHz)
Lower TDP (95W vs 250W)
Xeon 6731E 's Advantages
Released 2 years and 9 months late
Higher specification of memory (DDR5-5600 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (96MB vs 16MB)
More modern manufacturing process (7nm vs 14nm)