Intel Xeon E5 2666 v3 's Advantages
Larger L3 cache size (25MB vs 12MB)
Xeon W 1350 's Advantages
Released 6 years and 6 months late
Higher specification of memory (DDR4-3200 vs DDR4-2133)
Newer PCIe version (4 vs 3)
Higher base frequency (3.3GHz vs 2.9GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 135W)