Intel Xeon E5 2660 v2 's Advantages
Released 1 years and 10 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (95W vs 115W)
Opteron 6276 's Advantages
Higher base frequency (2.3GHz vs 2.2GHz)