Comparison of PowerColor Radeon RX 5700 XT Liquid Devil Limited Edition video card vs Sapphire NITRO+ RX 590 8G G5 SE video card by specs and benchmarks. PowerColor Radeon RX 5700 XT Liquid Devil Limited Edition runs at 1.900 GHz+ 18 % base clock speed and has 8 GB of GDDR6 memory, while video card Sapphire NITRO+ RX 590 8G G5 SE runs at 1.900 GHz+ 18 % base clock speed and has 8 GB of GDDR5 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.