Comparison of ASRock Radeon RX 5700 Challenger D 8G OC video card vs XFX Radeon RX 5700 XT Thicc II 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 XFX Radeon RX 5700 XT Thicc II runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 225 W. Compare the table of benchmark results to find out which graphic card is better.