Comparison of ASUS ROG Strix Radeon RX 570 8G video card vs Sapphire Pulse ITX Radeon RX 570 4G G5 video card by specs and benchmarks. ASUS ROG Strix Radeon RX 570 8G runs at 1.178 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory, while video card Sapphire Pulse ITX Radeon RX 570 4G G5 runs at 1.178 GHz+ 1 % 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.