Intel Xeon E5640 's Advantages
Higher base frequency (2.666GHz vs 2GHz)
Lower TDP (80W vs 185W)
Intel Xeon Gold 5418Y 's Advantages
Released 12 years and 10 months late
Higher specification of memory (4400 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (45MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)