Intel Xeon E5 1660 's Advantages
Released 5 years and 7 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (3 vs 1)
Higher base frequency (3.3GHz vs 2.8GHz)
More modern manufacturing process (32nm vs 90nm)
Opteron 2220 SE (F3) 's Advantages
Lower TDP (119W vs 130W)