Opteron 1381 's Advantages
Lower TDP (115W vs 140W)
Opteron 6386 SE 's Advantages
Released 3 years and 5 months late
Higher specification of memory (1600 vs 1333)
Higher base frequency (2.8GHz vs 2.5GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (32nm vs 45nm)