Comparison of GIGABYTE Radeon RX 6900 XT Gaming OC 16G video card vs MANLI GeForce RTX 2080Ti Gallardo (F398G+N504-00) video card by specifications and benchmarks. GIGABYTE Radeon RX 6900 XT Gaming OC 16G runs at 1.875 GHz+ 3 % base clock speed and has 16 GB of GDDR6 memory, while video card MANLI GeForce RTX 2080Ti Gallardo (F398G+N504-00) runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 340 W+ 13 %, and the second is 260 W+ 4 %. Compare the table of benchmark results to find out which graphic card is better.