Intel Xeon W 2175 's Advantages
Released 3 years and 1 months late
Higher specification of memory (DDR4-2666 vs DDR3)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 2685 v3 's Advantages
Higher base frequency (2.6GHz vs 2.5GHz)
Larger L3 cache size (30MB vs 19.25MB)
Lower TDP (120W vs 140W)