Intel Xeon E3 1220L v2 's Advantages
Released 5 years and 3 months late
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)
Lower TDP (17W vs 95W)
Opteron 8220 's Advantages
Higher specification of memory (667 vs 3)
Higher base frequency (2.8GHz vs 2.3GHz)