Opteron 6276 's Advantages
Higher base frequency (2.3GHz vs 1.8GHz)
Intel Xeon E5 2630L v3 's Advantages
Released 2 years and 10 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (55W vs 115W)