Opteron 6180 SE 's Advantages
Higher base frequency (2.5GHz vs 2.3GHz)
Larger L3 cache size (12MB vs 8MB)
Opteron 6338P 's Advantages
Released 2 years and 11 months late
Higher specification of memory (1600 vs 1333)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (99W vs 140W)