Opteron 8347 HE (B3) 's Advantages
Higher specification of memory (667 vs 4)
Lower TDP (68W vs 84W)
Intel Xeon E3 1275 v3 's Advantages
Released 5 years and 1 months late
Higher base frequency (3.5GHz vs 1.9GHz)
Larger L3 cache size (8MB vs 2MB)
More modern manufacturing process (22nm vs 65nm)