Comparison of Sapphire Nitro+ Radeon RX 6800 XT video card vs INNO3D GeForce GTX 1080 Ti Twin X2 video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 6800 XT runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card INNO3D GeForce GTX 1080 Ti Twin X2 runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 300 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.