Comparison of ASUS TUF Gaming X3 Radeon RX 5700 XT OC video card vs Sapphire NITRO+ RX 590 8G G5 SE video card by specs and benchmarks. ASUS TUF Gaming X3 Radeon RX 5700 XT OC runs at 1.730 GHz+ 8 % base clock speed and has 8 GB of GDDR6 memory, while video card Sapphire NITRO+ RX 590 8G G5 SE runs at 1.730 GHz+ 8 % 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.