Intel Xeon E3 1275 v3 's Advantages
Released 7 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.5GHz vs 2.3GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (84W vs 115W)
Opteron 6376 's Advantages
Higher specification of memory (1866 vs 4)