Comparison of Sapphire Pulse Radeon RX 590 8G G5 video card vs ASUS ROG Strix GeForce RTX 3090 video card by specifications and benchmarks. Sapphire Pulse Radeon RX 590 8G G5 runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ASUS ROG Strix GeForce RTX 3090 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 350 W. Compare the table of benchmark results to find out which graphic card is better.