Intel Xeon E5 4660 v3 's Advantages
Larger L3 cache size (35MB vs 19.25MB)
Lower TDP (120W vs 140W)
Intel Xeon W 2175 's Advantages
Released 2 years and 4 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (2.5GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 22nm)