Comparison of Sapphire Pulse Radeon RX 590 8G G5 video card vs GIGABYTE GeForce RTX 2060 WINDFORCE 6G (rev. 1.0) 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 GIGABYTE GeForce RTX 2060 WINDFORCE 6G (rev. 1.0) runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 160 W. Compare the table of benchmark results to find out which graphic card is better.