Comparison of Gainward GeForce RTX 2060 Ghost OC 12GB video card vs PowerColor Radeon RX 580 Mining 8GB video card by specifications and benchmarks. Gainward GeForce RTX 2060 Ghost OC 12GB runs at 1.470 GHz base clock speed and has 12 GB of GDDR6 memory, while video card PowerColor Radeon RX 580 Mining 8GB runs at 1.215 GHz-3 % base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 185 W, and the second is 185 W. Compare the table of benchmark results to find out which graphic card is better.