Opteron 6366 HE 's Advantages
Lower TDP (85W vs 105W)
Intel Xeon E5 2660 v3 's Advantages
Released 1 years and 10 months late
Higher specification of memory (2133 vs 1866)
Newer PCIe version (3 vs 2)
Higher base frequency (2.6GHz vs 1.8GHz)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)