Intel Xeon E5 1660 v2 's Advantages
Released 9 months late
Higher specification of memory (DDR3-1866 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 1.9GHz)
Larger L3 cache size (15MB vs 8MB)
Opteron 3320 EE 's Advantages
Lower TDP (25W vs 130W)