Comparison of PowerColor Radeon RX 6800 XT video card vs MSI GeForce RTX 3070 Ti SUPRIM 8G video card by specifications and benchmarks. PowerColor Radeon RX 6800 XT runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card MSI GeForce RTX 3070 Ti SUPRIM 8G runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 300 W, and the second is 310 W+ 7 %. Compare the table of benchmark results to find out which graphic card is better.