Comparison of MSI Radeon RX 6600 XT GAMING X 8G video card vs ASUS TUF Gaming X3 GeForce GTX 1660 SUPER ZAKU II video card by specifications and benchmarks. MSI Radeon RX 6600 XT GAMING X 8G runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASUS TUF Gaming X3 GeForce GTX 1660 SUPER ZAKU II runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.