Opteron 6274 's Advantages
Lower TDP (115W vs 130W)
Intel Xeon E5 1680 v2 's Advantages
Released 1 years and 10 months late
Higher specification of memory (DDR3-1866 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3GHz vs 2.2GHz)
Larger L3 cache size (25MB vs 16MB)