Intel Xeon E5 2696 v3 's Advantages
Released 2 years and 6 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (2.3GHz vs 2.2GHz)
Larger L3 cache size (45MB vs 20MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 2660 's Advantages
Lower TDP (95W vs 145W)