Opteron 8347 HE (B3) 's Advantages
Lower TDP (68W vs 240W)
Xeon w7 2565X 's Advantages
Released 16 years and 3 months late
Higher specification of memory (4800 vs 667)
Higher base frequency (3.2GHz vs 1.9GHz)
Larger L3 cache size (37.5MB vs 2MB)
More modern manufacturing process (10nm vs 65nm)