Intel Xeon E5 4667 v3 's Advantages
Released 3 years and 3 months late
Higher specification of memory (2133 vs 3)
Larger L3 cache size (40MB vs 20MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (135W vs 150W)
Intel Xeon E5 2687W 's Advantages
Higher base frequency (3.1GHz vs 2GHz)