Opteron 6274 's Advantages
Lower TDP (115W vs 120W)
Intel Xeon E5 2676 v3 's Advantages
Released 3 years and 7 months late
Higher specification of memory (DDR3 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.4GHz vs 2.2GHz)
Larger L3 cache size (30MB vs 16MB)