Comparison of ASRock Radeon RX 6800 XT Taichi X 16G OC video card vs GIGABYTE GeForce RTX 2080 Gaming OC 8G video card by specifications and benchmarks. ASRock Radeon RX 6800 XT Taichi X 16G OC runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card GIGABYTE GeForce RTX 2080 Gaming OC 8G runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 225 W+ 5 %. Compare the table of benchmark results to find out which graphic card is better.