Intel Xeon E5 2667 's Advantages
Released 2 years and 9 months late
Newer PCIe version (3 vs 2)
Higher base frequency (2.9GHz vs 2.7GHz)
Larger L3 cache size (15MB vs 6MB)
More modern manufacturing process (32nm vs 45nm)
Opteron 1385 's Advantages
Higher specification of memory (1333 vs 3)
Lower TDP (115W vs 130W)