Intel Xeon X5675 's Advantages
Higher base frequency (3.066GHz vs 2.6GHz)
Intel Xeon E5 2630 v2 's Advantages
Released 2 years and 7 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)