Comparison of Sapphire Pulse Radeon RX 570 8G G5 Lite video card vs GIGABYTE Radeon RX 580 Gaming 4G MI video card by specifications and benchmarks. Sapphire Pulse Radeon RX 570 8G G5 Lite runs at 1.168 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GIGABYTE Radeon RX 580 Gaming 4G MI 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.