Comparison of ASUS ROG Strix Radeon RX 580 video card vs MSI GeForce GTX 1660 VENTUS XS 6G video card by specifications and benchmarks. ASUS ROG Strix Radeon RX 580 runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card MSI GeForce GTX 1660 VENTUS XS 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 185 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.