Comparison of PowerColor Red Devil Radeon RX 580 8GB video card vs GIGABYTE Radeon RX 580 Gaming 8G video card by specs and benchmarks. PowerColor Red Devil Radeon RX 580 8GB runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GIGABYTE Radeon RX 580 Gaming 8G 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.