Comparison of GIGABYTE Radeon RX 6800 Gaming 16G video card vs KFA2 GeForce RTX 2080 Ti Dual Black (1-Click OC) video card by specs and benchmarks. GIGABYTE Radeon RX 6800 Gaming 16G runs at 1.775 GHz+ 4 % base clock speed and has 16 GB of GDDR6 memory, while video card KFA2 GeForce RTX 2080 Ti Dual Black (1-Click OC) runs at 1.775 GHz+ 4 % base clock speed and has 11 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.