Intel Xeon E3 1265L v2 's Advantages
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (45W vs 115W)
Opteron 6308 's Advantages
Released 6 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (3.5GHz vs 2.5GHz)