Comparison of ASRock Radeon RX 6900 XT Phantom Gaming D 16G OC video card vs Gainward GeForce RTX 3080 Phantom GS video card by specifications and benchmarks. ASRock Radeon RX 6900 XT Phantom Gaming D 16G OC runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card Gainward GeForce RTX 3080 Phantom GS runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 300 W, and the second is 370 W+ 16 %. Compare the table of benchmark results to find out which graphic card is better.