Intel Xeon E5 2640 v2 's Advantages
Lower TDP (95W vs 270W)
Intel Xeon w7 3445 's Advantages
Released 9 years and 5 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.5GHz vs 2GHz)
Larger L3 cache size (52.5MB vs 20MB)
More modern manufacturing process (10nm vs 22nm)