Comparison of MSI Radeon RX 590 Armor 8G video card vs KFA2 GeForce RTX 3090 SG (1-Click OC) video card by specifications and benchmarks. MSI Radeon RX 590 Armor 8G runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card KFA2 GeForce RTX 3090 SG (1-Click OC) runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 220 W-2 %, and the second is 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.