Intel Xeon E5 2667 v2 's Advantages
Released 9 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.3GHz vs 2.2GHz)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 4310 EE 's Advantages
Higher specification of memory (1600 vs 3)
Lower TDP (35W vs 130W)