Intel Xeon E5 4667 v3 's Advantages
Larger L3 cache size (40MB vs 19.25MB)
Lower TDP (135W vs 140W)
Intel Xeon W 2170B 's Advantages
Released 2 years and 6 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (2.5GHz vs 2GHz)
More modern manufacturing process (14nm vs 22nm)