Opteron 1389 's Advantages
Higher base frequency (2.9GHz vs 1.8GHz)
Opteron 6366 HE 's Advantages
Released 3 years and 5 months late
Higher specification of memory (1866 vs 1333)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (85W vs 115W)