Intel Xeon E5 2667 v2 's Advantages
Newer PCIe version (3 vs 2)
Higher base frequency (3.3GHz vs 2.3GHz)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6338P 's Advantages
Higher specification of memory (1600 vs 3)
Lower TDP (99W vs 130W)