Comparison of ASRock Radeon RX 5500 XT Challenger D 4G OC video card vs Sapphire Pulse Radeon RX 5700 XT 8G video card by specifications and benchmarks. ASRock Radeon RX 5500 XT Challenger D 4G OC runs at 1.685 GHz+ 5 % base clock speed and has 4 GB of GDDR6 memory, while video card Sapphire Pulse Radeon RX 5700 XT 8G runs at 1.670 GHz+ 4 % base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 235 W+ 4 %. Compare the table of benchmark results to find out which graphic card is better.