Opteron 8220 SE (F3) 's Advantages
Higher base frequency (2.8GHz vs 2.5GHz)
Lower TDP (120W vs 270W)
Xeon w7 3445 's Advantages
Released 16 years and 6 months late
Higher specification of memory (4800 vs 667)
Newer PCIe version (5 vs 1)
More modern manufacturing process (10nm vs 90nm)