Intel Xeon E3 1226 v3 's Advantages
Lower TDP (84W vs 140W)
Intel Xeon W 2133 's Advantages
Released 3 years and 3 months late
Higher specification of memory (2666 vs 1600)
Higher base frequency (3.6GHz vs 3.3GHz)
Larger L3 cache size (8.25MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)