Comparison of MSI Radeon RX 580 Gaming X+ 8G video card vs ASUS Dual GeForce GTX 1660 SUPER EVO video card by specifications and benchmarks. MSI Radeon RX 580 Gaming X+ 8G runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ASUS Dual GeForce GTX 1660 SUPER EVO runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 185 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.