Opteron 6274 's Advantages
Released 3 years and 5 months late
Higher base frequency (2.2GHz vs 2.1GHz)
Larger L3 cache size (16MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)
Opteron 1352 (B2) 's Advantages
Higher specification of memory (800 vs 3)
Lower TDP (95W vs 115W)