Opteron 8218 (F2) 's Advantages
Higher base frequency (2.6GHz vs 2.1GHz)
Opteron 1352 (B2) 's Advantages
Released 1 years and 10 months late
Higher specification of memory (800 vs 667)
Newer PCIe version (2 vs 1)
More modern manufacturing process (65nm vs 90nm)