Intel Xeon E5 2696 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (45MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6278 's Advantages
Higher base frequency (2.4GHz vs 2.3GHz)
Lower TDP (115W vs 145W)