Intel Xeon E5 2686 v3 's Advantages
Released 1 years and 9 months late
Higher specification of memory (2133 vs 3)
Larger L3 cache size (45MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 4340 's Advantages
Higher base frequency (3.5GHz vs 2GHz)
Lower TDP (95W vs 120W)