Comparison of ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC video card vs Colorful iGame GeForce RTX 3080 Ti Vulcan X OC-V video card by specifications and benchmarks. ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC runs at 1.875 GHz+ 3 % base clock speed and has 16 GB of GDDR6 memory, while video card Colorful iGame GeForce RTX 3080 Ti Vulcan X OC-V runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 300 W, and the second is 370 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.