Intel Xeon E5 2696 v3 's Advantages
Released 2 years and 4 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (45MB vs 8MB)
Opteron 6278 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (2.4GHz vs 2.3GHz)
Lower TDP (115W vs 145W)