Comparison of XFX Radeon RX 580 GTR XXX Edition 8GB Crimson video card vs KFA2 GeForce RTX 3090 SG (1-Click OC) video card by specifications and benchmarks. XFX Radeon RX 580 GTR XXX Edition 8GB Crimson runs at 1.257 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 185 W, and the second is 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.