Intel Xeon E5 2666 v3 's Advantages
Released 10 months late
Higher specification of memory (2133 vs 1600)
Newer PCIe version (3 vs 2)
Higher base frequency (2.9GHz vs 2GHz)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6370P 's Advantages
Lower TDP (99W vs 135W)