Comparison of Sapphire Pulse Radeon RX 5600 XT video card vs ASRock Radeon RX 5700 XT Challenger D 8G OC video card by specifications and benchmarks. Sapphire Pulse Radeon RX 5600 XT runs at 1.130 GHz base clock speed and has 6 GB of GDDR6 memory, while video card ASRock Radeon RX 5700 XT Challenger D 8G OC runs at 1.650 GHz+ 3 % base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 225 W. Compare the table of benchmark results to find out which graphic card is better.