Opteron 8224 SE 's Advantages
Higher base frequency (3.2GHz vs 2.3GHz)
Opteron 6376 's Advantages
Released 5 years and 3 months late
Higher specification of memory (DDR3 vs DDR2-667)
Newer PCIe version (2 vs 1)
More modern manufacturing process (32nm vs 90nm)
Lower TDP (115W vs 120W)