Intel Xeon W 2170B 's Advantages
Released 2 years and 6 months late
Higher specification of memory (2666 vs 1866)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (140W vs 165W)
Intel Xeon E7 8891 v3 's Advantages
Higher base frequency (2.8GHz vs 2.5GHz)
Larger L3 cache size (45MB vs 19.25MB)