Comparison of MSI Radeon RX 6600 XT GAMING 8G video card vs Palit GeForce RTX 3090 GameRock OC video card by specifications and benchmarks. MSI Radeon RX 6600 XT GAMING 8G runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Palit GeForce RTX 3090 GameRock OC runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.