Intel Xeon E3 1240 v3 's Advantages
Released 7 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (80W vs 115W)
Opteron 6308 's Advantages
Higher specification of memory (1866 vs 1600)
Higher base frequency (3.5GHz vs 3.4GHz)