Intel Xeon W 3175X 's Advantages
Released 6 years and 8 months late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (38.5MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E3 1280 v2 's Advantages
Higher base frequency (3.6GHz vs 3.1GHz)
Lower TDP (69W vs 255W)