Comparison of ASUS ROG Strix Radeon RX 5600 XT OC video card vs EVGA GeForce GTX 1660 BLACK GAMING video card by specifications and benchmarks. ASUS ROG Strix Radeon RX 5600 XT OC runs at 1.400 GHz+ 24 % base clock speed and has 6 GB of GDDR6 memory, while video card EVGA GeForce GTX 1660 BLACK GAMING runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 160 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.