Comparison of Sapphire Nitro+ Radeon RX 5700 XT BE 8G video card vs XFX Radeon RX 580 Double Dissipation 8GB video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 5700 XT BE 8G runs at 1.730 GHz+ 8 % base clock speed and has 8 GB of GDDR6 memory, while video card XFX Radeon RX 580 Double Dissipation 8GB runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 265 W+ 18 %, and the second is 185 W. Compare the table of benchmark results to find out which graphic card is better.