Comparison of Sapphire Nitro+ Radeon RX 5500 XT 8G SE video card vs KFA2 GeForce RTX 3090 EX Gamer (1-Click OC) video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 5500 XT 8G SE runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce RTX 3090 EX Gamer (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.