Comparison of PowerColor Red Devil Radeon RX 6800 XT Limited Edition video card vs MSI GeForce RTX 3080 VENTUS 3X 10G OC LHR video card by specifications and benchmarks. PowerColor Red Devil Radeon RX 6800 XT Limited Edition runs at 1.900 GHz+ 4 % base clock speed and has 16 GB of GDDR6 memory, while video card MSI GeForce RTX 3080 VENTUS 3X 10G OC LHR runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 300 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.