Comparison of ASUS Dual Radeon RX 580 OC 4G video card vs ASUS TUF Gaming X3 GeForce GTX 1660 SUPER OC video card by specifications and benchmarks. ASUS Dual Radeon RX 580 OC 4G runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card ASUS TUF Gaming X3 GeForce GTX 1660 SUPER OC 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.