Intel Xeon E5 1680 v2 's Advantages
Released 9 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 4386 's Advantages
Higher base frequency (3.1GHz vs 3GHz)
Lower TDP (95W vs 130W)