Opteron 4334 's Advantages
Higher base frequency (3.1GHz vs 2.7GHz)
Lower TDP (95W vs 310W)
Xeon w7 3545 's Advantages
Released 10 years and 8 months late
Higher specification of memory (4800 vs 3)
Larger L3 cache size (67.5MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)