Comparison of PowerColor Radeon RX 5500 XT 8G video card vs ASRock Radeon RX 5700 XT Taichi X 8G OC+ video card by specifications and benchmarks. PowerColor Radeon RX 5500 XT 8G runs at 1.647 GHz+ 2 % base clock speed and has 8 GB of GDDR6 memory, while video card ASRock Radeon RX 5700 XT Taichi X 8G OC+ runs at 1.885 GHz+ 17 % base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 245 W+ 9 %. Compare the table of benchmark results to find out which graphic card is better.