Intel Xeon E5 2697 v3 's Advantages
Released 2 years and 6 months late
Higher specification of memory (2133 vs 3)
Larger L3 cache size (35MB vs 20MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 2690 's Advantages
Higher base frequency (2.9GHz vs 2.6GHz)
Lower TDP (135W vs 145W)