Comparison of PowerColor Red Devil Radeon RX 6600 XT video card vs MSI GeForce RTX 3070 Suprim X 8G LHR 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 MSI GeForce RTX 3070 Suprim X 8G LHR runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 280 W+ 27 %. Compare the table of benchmark results to find out which graphic card is better.