Opteron 8347 HE (B3) 's Advantages
Lower TDP (68W vs 90W)
Intel Xeon E5 2640 v3 's Advantages
Released 6 years and 4 months late
Higher specification of memory (1866 vs 667)
Higher base frequency (2.6GHz vs 1.9GHz)
Larger L3 cache size (20MB vs 2MB)
More modern manufacturing process (22nm vs 65nm)