Opteron 1381 's Advantages
Released 2 years and 10 months late
Higher specification of memory (1333 vs 667)
Newer PCIe version (2 vs 1)
Higher base frequency (2.5GHz vs 2GHz)
More modern manufacturing process (45nm vs 90nm)
Opteron 8212 HE (F2) 's Advantages
Lower TDP (68W vs 115W)