Opteron 8224 SE 's Advantages
Higher base frequency (3.2GHz vs 2.9GHz)
Lower TDP (120W vs 135W)
Intel Xeon E5 1681 v3 's Advantages
Released 7 years and 1 months late
Higher specification of memory (2133 vs 667)
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)