Intel Xeon E7 8880 v3 's Advantages
Released 3 years and 3 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (45MB vs 20MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 2690 's Advantages
Higher base frequency (2.9GHz vs 2.3GHz)
Lower TDP (135W vs 150W)