Intel Xeon E5 2630 v2 's Advantages
Higher base frequency (2.6GHz vs 2.3GHz)
Lower TDP (80W vs 150W)
Intel Xeon E7 8880 v3 's Advantages
Released 1 years and 9 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (45MB vs 15MB)