Opteron 2222 SE 's Advantages
Higher base frequency (3GHz vs 2.8GHz)
Lower TDP (119W vs 140W)
Intel Xeon E5 1603 v3 's Advantages
Released 7 years and 5 months late
Higher specification of memory (1866 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)