Comparison of PowerColor Radeon RX 5700 XT Red Dragon video card vs EVGA GeForce GTX 1660 SUPER BLACK GAMING video card by specifications and benchmarks. PowerColor Radeon RX 5700 XT Red Dragon runs at 1.650 GHz+ 3 % base clock speed and has 8 GB of GDDR6 memory, while video card EVGA GeForce GTX 1660 SUPER BLACK GAMING runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.