Opteron 8346 HE (B3) 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (68W vs 95W)
Intel Xeon E5 2450 's Advantages
Released 4 years late
Higher base frequency (2.1GHz vs 1.8GHz)
Larger L3 cache size (20MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)