Intel Xeon W 2155 's Advantages
Released 2 years and 11 months late
Higher specification of memory (2666 vs 1866)
Higher base frequency (3.3GHz vs 3GHz)
Larger L3 cache size (13.75MB vs 10MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 2623 v3 's Advantages
Lower TDP (105W vs 140W)