Intel Xeon E3 1220 v2 's Advantages
Released 4 years and 9 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)
Lower TDP (69W vs 119W)
Opteron 2224 SE 's Advantages
Higher base frequency (3.2GHz vs 3.1GHz)