Comparison of ASUS ROG Strix Radeon RX 5500 XT OC video card vs ASUS TUF Gaming GeForce GTX 1660 TI EVO video card by specifications and benchmarks. ASUS ROG Strix Radeon RX 5500 XT OC runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASUS TUF Gaming GeForce GTX 1660 TI EVO runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.