Comparison of GIGABYTE AORUS Radeon RX 5700 XT 8G video card vs PowerColor Radeon RX 6800 Fighter video card by specifications and benchmarks. GIGABYTE AORUS Radeon RX 5700 XT 8G runs at 1.770 GHz+ 10 % base clock speed and has 8 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 225 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.