Intel Xeon E5 2660 v3 's Advantages
Higher base frequency (2.6GHz vs 2.5GHz)
Larger L3 cache size (25MB vs 19.25MB)
Lower TDP (105W vs 140W)
Intel Xeon W 2175 's Advantages
Released 3 years and 1 months late
Higher specification of memory (2666 vs 2133)
More modern manufacturing process (14nm vs 22nm)