Opteron 6274 's Advantages
Larger L3 cache size (16MB vs 8MB)
Intel Xeon E3 1231 v3 's Advantages
Released 2 years and 6 months late
Higher specification of memory (DDR3-1600 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.4GHz vs 2.2GHz)
Lower TDP (80W vs 115W)