Opteron 2224 SE 's Advantages
Higher base frequency (3.2GHz vs 2.5GHz)
Lower TDP (119W vs 140W)
Opteron 6180 SE 's Advantages
Released 3 years and 6 months late
Higher specification of memory (1333 vs 2)
Newer PCIe version (2 vs 1)
More modern manufacturing process (45nm vs 90nm)