Both cards are almost the same, other than one has 3 fans. Which one is made better? The dual has Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure. The TUF X3 has space-grade lubricant brings the durability of dual ball bearings to quieter sleeve bearing designs and IP5X dust resistance offers protection from particle ingress for better durability.