Intel Xeon E3 1225 v3 's Advantages
Released 7 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.2GHz vs 1.8GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (84W vs 85W)
Opteron 6366 HE 's Advantages
Higher specification of memory (1866 vs 1600)