Intel Xeon E5 2690 v2 's Advantages
Released 1 years and 4 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3GHz vs 2.4GHz)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6278 's Advantages
Lower TDP (115W vs 130W)