Opteron 6348 's Advantages
Higher specification of memory (1866 vs 4)
Intel Xeon E3 1275 v3 's Advantages
Released 7 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.5GHz vs 2.8GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (84W vs 115W)