Intel Xeon E5 2687W v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (2133 vs 3)
Larger L3 cache size (25MB vs 8MB)
Intel Xeon E3 1275 v2 's Advantages
Higher base frequency (3.5GHz vs 3.1GHz)
Lower TDP (77W vs 160W)