Comparison of PowerColor Red Devil Radeon RX 6700 XT video card vs MSI GeForce RTX 2080 Ventus 8G OC video card by specifications and benchmarks. PowerColor Red Devil Radeon RX 6700 XT runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card MSI GeForce RTX 2080 Ventus 8G OC runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 230 W, and the second is 225 W+ 5 %. Compare the table of benchmark results to find out which graphic card is better.