Opteron 1381 's Advantages
Higher specification of memory (1333 vs 3)
Opteron 43GK HE 's Advantages
Released 3 years and 6 months late
Higher base frequency (2.6GHz vs 2.5GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (65W vs 115W)