Intel Xeon W 2155 's Advantages
Released 1 years and 7 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (3.3GHz vs 2.9GHz)
Larger L3 cache size (13.75MB vs 8MB)
Intel Xeon E3 1545M v5 's Advantages
Lower TDP (45W vs 140W)