Comparison of MSI Radeon RX 590 Armor 8G OC video card vs MSI GeForce GTX 1660 SUPER GAMING X video card by specifications and benchmarks. MSI Radeon RX 590 Armor 8G OC runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card MSI GeForce GTX 1660 SUPER GAMING X runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 220 W-2 %, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.