Comparison of ASRock Radeon RX 5700 XT Taichi X 8G OC+ video card vs AMD Radeon RX 6400 - Reference Data 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 AMD Radeon RX 6400 - Reference Data runs at base clock speed and has 4 GB of GDDR6 memory. The TDP of the first video card is 245 W+ 9 %, and the second is 53 W. Compare the table of benchmark results to find out which graphic card is better.