Intel Xeon E5 1680 v2 's Advantages
Higher specification of memory (1866 vs 1600)
Newer PCIe version (3 vs 2)
Higher base frequency (3GHz vs 2.3GHz)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6338P 's Advantages
Lower TDP (99W vs 130W)