Comparison of PowerColor Radeon RX 6700 XT video card vs ASUS TUF Gaming GeForce GTX 1660 SUPER OC video card by specifications and benchmarks. PowerColor Radeon RX 6700 XT runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card ASUS TUF Gaming 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 230 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.