Opteron 3320 EE 's Advantages
Released 3 years and 8 months late
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (25W vs 50W)
Opteron 13KS EE 's Advantages
Higher specification of memory (1333 vs 3)
Higher base frequency (2GHz vs 1.9GHz)