Comparison of MSI Radeon RX 5700 XT Mech OC video card vs MSI GeForce GTX 1660 SUPER VENTUS XS OC video card by specifications and benchmarks. MSI Radeon RX 5700 XT Mech OC runs at 1.670 GHz+ 4 % base clock speed and has 8 GB of GDDR6 memory, while video card MSI GeForce GTX 1660 SUPER VENTUS XS OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.