Comparison of Sapphire Pulse ITX Radeon RX 570 8G G5 video card vs GIGABYTE AORUS Radeon RX 580 4G video card by specifications and benchmarks. Sapphire Pulse ITX Radeon RX 570 8G G5 runs at 1.168 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GIGABYTE AORUS Radeon RX 580 4G runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory. The TDP of the first video card is 150 W, and the second is 185 W. Compare the table of benchmark results to find out which graphic card is better.