Comparison of PowerColor Red Dragon Radeon RX 580 4GB video card vs XFX Radeon RX 580 GTR-S Black Edition 8GB Crimson video card by specifications and benchmarks. PowerColor Red Dragon Radeon RX 580 4GB runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card XFX Radeon RX 580 GTR-S Black Edition 8GB Crimson runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 185 W, and the second is 185 W. Compare the table of benchmark results to find out which graphic card is better.