Comparison of Sapphire Pulse Radeon RX 5700 XT 8G video card vs ASUS ROG Strix Radeon RX 580 OC video card by specifications and benchmarks. Sapphire Pulse Radeon RX 5700 XT 8G runs at 1.670 GHz+ 4 % base clock speed and has 8 GB of GDDR6 memory, while video card ASUS ROG Strix Radeon RX 580 OC runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 235 W+ 4 %, and the second is 185 W. Compare the table of benchmark results to find out which graphic card is better.