Comparison of AMD Radeon RX 480 video card vs ASRock AMD Phantom Gaming X Radeon RX 570 4G OC video card by specs and benchmarks. AMD Radeon RX 480 runs at 1.120 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ASRock AMD Phantom Gaming X Radeon RX 570 4G OC runs at 1.120 GHz base clock speed and has 4 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 150 W, and the second is 150 W . Compare the benchmark results to find out which video card is better.