Comparison of MSI Radeon RX 580 Armor 4G OC video card vs GALAX GeForce RTX 3080 12GB EX Gamer (1-Click OC) LHR video card by specifications and benchmarks. MSI Radeon RX 580 Armor 4G OC runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card GALAX GeForce RTX 3080 12GB EX Gamer (1-Click OC) LHR runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 185 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.