Comparison of MSI Radeon RX 580 Armor 8G OC video card vs Gainward GeForce RTX 2060 Phoenix video card by specifications and benchmarks. MSI Radeon RX 580 Armor 8G OC runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Gainward GeForce RTX 2060 Phoenix runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 185 W, and the second is 160 W. Compare the table of benchmark results to find out which graphic card is better.