Intel Xeon E5 2630 v2 's Advantages
Released 3 years and 6 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (80W vs 95W)
Intel Xeon X5670 's Advantages
Higher base frequency (2.933GHz vs 2.6GHz)