Intel Xeon E3 1275 v5 's Advantages
Released 5 years and 7 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.6GHz vs 2.533GHz)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5630 's Advantages
Larger L3 cache size (12MB vs 8MB)