Comparison of Sapphire Pulse Radeon RX 5700 XT 8G video card vs GALAX GeForce RTX 3090 EX Gamer (1-Click OC) video card by specifications and benchmarks. Sapphire Pulse Radeon RX 5700 XT 8G runs at 1.670 GHz+ 4 % base clock speed and has 8 GB of GDDR6 memory, while video card GALAX 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 235 W+ 4 %, and the second is 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.