Comparison of ASUS ROG Strix Radeon RX 5700 XT OC video card vs ASRock Phantom Gaming X Radeon VII 16G video card by specifications and benchmarks. ASUS ROG Strix Radeon RX 5700 XT OC runs at 1.840 GHz+ 15 % base clock speed and has 8 GB of GDDR6 memory, while video card ASRock Phantom Gaming X Radeon VII 16G runs at 1.400 GHz base clock speed and has 16 GB of HBM2 memory. The TDP of the first video card is 225 W, and the second is 300 W. Compare the table of benchmark results to find out which graphic card is better.