Intel Xeon E5 4640 's Advantages
Higher base frequency (2.4GHz vs 2.1GHz)
Lower TDP (95W vs 150W)
Intel Xeon Gold 5318N 's Advantages
Released 8 years and 11 months late
Higher specification of memory (2667 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (36MB vs 20MB)
More modern manufacturing process (10nm vs 32nm)