Opteron 8346 HE (B3) 's Advantages
Lower TDP (68W vs 175W)
Xeon w3 2525 's Advantages
Released 16 years and 3 months late
Higher specification of memory (4400 vs 667)
Higher base frequency (3.5GHz vs 1.8GHz)
Larger L3 cache size (22.5MB vs 2MB)
More modern manufacturing process (10nm vs 65nm)