Comparison of ASRock Radeon RX 5700 XT Taichi X 8G OC+ video card vs ASRock Radeon RX 6600 XT Challenger D 8GB OC video card by specifications and benchmarks. 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, while video card ASRock Radeon RX 6600 XT Challenger D 8GB OC runs at 2.000 GHz+ 2 % base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 245 W+ 9 %, and the second is 160 W. Compare the table of benchmark results to find out which graphic card is better.