Intel Xeon W 2155 's Advantages
Released 1 years and 7 months late
Higher specification of memory (2666 vs 1866)
Higher base frequency (3.3GHz vs 2GHz)
Larger L3 cache size (13.75MB vs 8MB)
More modern manufacturing process (14nm vs 28nm)
Opteron A1170 's Advantages
Lower TDP (32W vs 140W)