Opteron 8347 HE (B3) 's Advantages
Lower TDP (68W vs 80W)
Xeon W 1390 's Advantages
Released 13 years late
Higher specification of memory (3200 vs 667)
Higher base frequency (2.8GHz vs 1.9GHz)
Larger L3 cache size (16MB vs 2MB)
More modern manufacturing process (14nm vs 65nm)