Intel Xeon E5 2640 v3 's Advantages
Larger L3 cache size (20MB vs 16MB)
Lower TDP (90W vs 125W)
Xeon W 1390P 's Advantages
Released 6 years and 8 months late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 22nm)