Comparison of GIGABYTE Radeon RX 590 Gaming 8G video card vs ASUS ROG Strix GeForce RTX 3090 OC video card by specifications and benchmarks. GIGABYTE Radeon RX 590 Gaming 8G runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ASUS ROG Strix GeForce RTX 3090 OC runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 225 W, and the second is 390 W+ 11 %. Compare the table of benchmark results to find out which graphic card is better.