Opteron 3380 's Advantages
Released 4 years and 7 months late
Higher base frequency (2.6GHz vs 1.9GHz)
Larger L3 cache size (8MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)
Lower TDP (65W vs 68W)
Opteron 8347 HE (B3) 's Advantages
Higher specification of memory (667 vs 3)