Comparison of XFX Radeon RX 6700 XT video card vs ASUS TUF Gaming GeForce GTX 1660 TI OC video card by specifications and benchmarks. XFX Radeon RX 6700 XT runs at 2.330 GHz base clock speed and has 12 GB of GDDR6 memory, while video card ASUS TUF Gaming GeForce GTX 1660 TI OC runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 230 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.