Intel Xeon E3 1220 v2 's Advantages
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (69W vs 115W)
Opteron 6328 's Advantages
Released 6 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (3.2GHz vs 3.1GHz)