Comparison of PowerColor Red Dragon Radeon RX 580 4GB V2 video card vs XFX Radeon RX 580 GTR-S XXX Edition 8GB Crimson video card by specs and benchmarks. PowerColor Red Dragon Radeon RX 580 4GB V2 runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card XFX Radeon RX 580 GTR-S XXX Edition 8GB Crimson runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 185 W, and the second is 185 W . Compare the benchmark results to find out which video card is better.