Opteron 6272 's Advantages
Larger L3 cache size (16MB vs 8MB)
Intel Xeon E3 1226 v3 's Advantages
Released 2 years and 6 months late
Higher specification of memory (1600 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.3GHz vs 2.1GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (84W vs 115W)