Comparison of MSI Radeon RX 580 Armor MK2 8G video card vs MSI GeForce RTX 2080 Duke 8G OC video card by specifications and benchmarks. MSI Radeon RX 580 Armor MK2 8G runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card MSI GeForce RTX 2080 Duke 8G OC runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 185 W, and the second is 245 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.