Comparison of PowerColor Red Devil Radeon RX 590 8GB GDDR5 video card vs ASUS Dual Radeon RX 5700 XT OC Evo video card by specs and benchmarks. PowerColor Red Devil Radeon RX 590 8GB GDDR5 runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ASUS Dual Radeon RX 5700 XT OC Evo runs at 1.469 GHz base clock speed and has 8 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 225 W, and the second is 225 W . Compare the benchmark results to find out which video card is better.