Xeon E5 2650 v4 's Advantages
Released 2 years and 6 months late
Higher specification of memory (2133 vs 3)
Larger L3 cache size (30MB vs 20MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (105W vs 150W)
Xeon E5 2687W v2 's Advantages
Higher base frequency (3.4GHz vs 2.2GHz)