Opteron 1381 's Advantages
Lower TDP (115W vs 140W)
Opteron 6284 SE 's Advantages
Released 2 years and 11 months late
Higher specification of memory (1600 vs 1333)
Higher base frequency (2.7GHz vs 2.5GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (32nm vs 45nm)