Intel Xeon W 2133 's Advantages
Released 5 years and 5 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Higher base frequency (3.6GHz vs 3.1GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (140W vs 150W)
Intel Xeon E5 2687W 's Advantages
Larger L3 cache size (20MB vs 8.25MB)