Comparison of PowerColor Red Devil Radeon RX 6600 XT video card vs Colorful GeForce RTX 3070 Ti Ultra W OC 8G-V video card by specifications and benchmarks. PowerColor Red Devil Radeon RX 6600 XT runs at 2.188 GHz+ 11 % base clock speed and has 8 GB of GDDR6 memory, while video card Colorful GeForce RTX 3070 Ti Ultra W OC 8G-V runs at 1.575 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 310 W+ 7 %. Compare the table of benchmark results to find out which graphic card is better.