Comparison of ASRock Radeon RX 6800 Phantom Gaming D 16G OC video card vs Gainward GeForce RTX 3080 Ti Phantom GS video card by specifications and benchmarks. ASRock Radeon RX 6800 Phantom Gaming D 16G OC runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory, while video card Gainward GeForce RTX 3080 Ti Phantom GS runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 400 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.