Comparison of AMD Radeon RX 6800 XT video card vs KFA2 GeForce RTX 3080 EX Gamer White (1-Click OC) video card by specifications and benchmarks. AMD Radeon RX 6800 XT runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card KFA2 GeForce RTX 3080 EX Gamer White (1-Click OC) 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.