Intel Xeon E5 2640 v2 's Advantages
Lower TDP (95W vs 270W)
Intel Xeon W 3365 's Advantages
Released 7 years and 10 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.7GHz vs 2GHz)
Larger L3 cache size (48MB vs 20MB)
More modern manufacturing process (10nm vs 22nm)