Intel Xeon E5 2687W v2 Advantages
Larger L3 cache size (20MB vs 8MB)
Intel Xeon E3 1275 v5 Advantages
Released 2 years and 1 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (3.6GHz vs 3.4GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 130W)