Intel Xeon E5 2640 's Advantages
Lower TDP (95W vs 225W)
Intel Xeon w7 2475X 's Advantages
Released 10 years and 11 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.6GHz vs 2.5GHz)
Larger L3 cache size (37.5MB vs 15MB)
More modern manufacturing process (10nm vs 32nm)