Opteron 6180 SE 's Advantages
Higher specification of memory (1333 vs 3)
Larger L3 cache size (12MB vs 8MB)
Intel Xeon E3 1220 v2 's Advantages
Released 1 years and 3 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.1GHz vs 2.5GHz)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (69W vs 140W)