Intel Xeon E5 2666 v3 's Advantages
Released 7 years and 3 months late
Higher specification of memory (2133 vs 667)
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)
Opteron 8224 SE 's Advantages
Higher base frequency (3.2GHz vs 2.9GHz)
Lower TDP (120W vs 135W)