Opteron 8346 HE (B3) 's Advantages
Lower TDP (68W vs 115W)
Opteron 6308 's Advantages
Released 4 years and 6 months late
Higher specification of memory (1866 vs 667)
Higher base frequency (3.5GHz vs 1.8GHz)
Larger L3 cache size (8MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)