Intel Xeon E3 1231 v3 's Advantages
Higher base frequency (3.4GHz vs 2.5GHz)
Lower TDP (80W vs 140W)
Intel Xeon W 2170B 's Advantages
Released 3 years and 7 months late
Higher specification of memory (2666 vs 1600)
Larger L3 cache size (19.25MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)