Comparison of MSI Radeon RX 6600 XT MECH 2X 8G OCV1 video card vs ASUS TUF Gaming X3 GeForce GTX 1660 SUPER ZAKU II video card by specifications and benchmarks. MSI Radeon RX 6600 XT MECH 2X 8G OCV1 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.