Opteron 6274 's Advantages
Released 9 months late
Larger L3 cache size (16MB vs 12MB)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (115W vs 140W)
Opteron 6180 SE 's Advantages
Higher specification of memory (1333 vs 3)
Higher base frequency (2.5GHz vs 2.2GHz)