Intel Xeon E5 2630 v2 's Advantages
Larger L3 cache size (15MB vs 8MB)
Intel Xeon E3 1280 v5 's Advantages
Released 2 years and 1 months late
Higher specification of memory (4 vs 3)
Higher base frequency (3.7GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 22nm)