Xeon L5639 's Advantages
Released 2 years and 10 months late
Higher specification of memory (1333 vs 667)
Larger L3 cache size (12MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)
Lower TDP (60W vs 119W)
Opteron 8360 SE (B3) 's Advantages
Higher base frequency (2.5GHz vs 2.133GHz)