Comparison of MSI Radeon RX 6700 XT 12G video card vs PowerColor Radeon RX 6800 Fighter video card by specifications and benchmarks. MSI Radeon RX 6700 XT 12G runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card PowerColor Radeon RX 6800 Fighter runs at 1.775 GHz+ 4 % base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 230 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.