Opteron 13KS EE 's Advantages
Higher specification of memory (1333 vs 3)
Lower TDP (50W vs 95W)
Opteron 4386 's Advantages
Released 3 years and 8 months late
Higher base frequency (3.1GHz vs 2GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (32nm vs 45nm)