Opteron 6308 's Advantages
Released 6 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (3.5GHz vs 3.2GHz)
Intel Xeon E3 1225 v2 's Advantages
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (77W vs 115W)