Comparison of Sapphire Nitro+ Radeon RX 6800 XT video card vs MSI GeForce RTX 3080 SUPRIM X 10G video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 6800 XT runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card MSI GeForce RTX 3080 SUPRIM X 10G 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 370 W+ 16 %. Compare the table of benchmark results to find out which graphic card is better.