Comparison of ASRock Radeon RX 5700 Challenger D 8G OC video card vs KFA2 GeForce RTX 3080 HOF video card by specifications and benchmarks. ASRock Radeon RX 5700 Challenger D 8G OC runs at 1.515 GHz+ 3 % base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce RTX 3080 HOF runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 180 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.