Comparison of Sapphire Pulse Radeon RX 5500 XT 4G video card vs KFA2 GeForce RTX 3090 SG (1-Click OC) video card by specifications and benchmarks. Sapphire Pulse Radeon RX 5500 XT 4G runs at 1.607 GHz base clock speed and has 4 GB of GDDR6 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 135 W+ 4 %, and the second is 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.