Opteron 8347 HE (B3) 's Advantages
Higher specification of memory (667 vs 3)
Higher base frequency (1.9GHz vs 1.8GHz)
Lower TDP (68W vs 70W)
Intel Xeon E5 2448L 's Advantages
Released 4 years late
Larger L3 cache size (20MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)