Intel Xeon E3 1270 's Advantages
Released 4 years and 2 months late
Newer PCIe version (3 vs 1)
Higher base frequency (3.4GHz vs 2.8GHz)
More modern manufacturing process (32nm vs 90nm)
Lower TDP (80W vs 95W)
Opteron 8220 's Advantages
Higher specification of memory (667 vs 3)