Comparison of XFX Radeon RX 5700 XT Thicc II Ultra video card vs ASRock Radeon RX 5700 XT Challenger Pro 8G OC video card by specs and benchmarks. XFX Radeon RX 5700 XT Thicc II Ultra runs at 1.730 GHz+ 8 % base clock speed and has 8 GB of GDDR6 memory, while video card ASRock Radeon RX 5700 XT Challenger Pro 8G OC runs at 1.730 GHz+ 8 % base clock speed and has 8 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 225 W, and the second is 225 W . Compare the benchmark results to find out which video card is better.