Intel Xeon E3 1285 v4 's Advantages
Higher base frequency (3.5GHz vs 2.5GHz)
Lower TDP (95W vs 140W)
Intel Xeon W 2175 's Advantages
Released 2 years and 4 months late
Higher specification of memory (2666 vs 1866)
Larger L3 cache size (19.25MB vs 6MB)