Intel Xeon E5 2640 's Advantages
Higher base frequency (2.5GHz vs 2.1GHz)
Lower TDP (95W vs 165W)
Intel Xeon Gold 5318Y 's Advantages
Released 9 years and 1 months late
Higher specification of memory (2933 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (36MB vs 15MB)
More modern manufacturing process (10nm vs 32nm)