Intel Xeon E5 2667 v3 's Advantages
Higher base frequency (3.2GHz vs 2.2GHz)
Xeon E5 2650 v4 's Advantages
Released 1 years and 6 months late
Larger L3 cache size (30MB vs 20MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (105W vs 135W)