Comparison of Sapphire Nitro+ Radeon RX 6900 XT video card vs EVGA GeForce GTX 1080 Ti FTW3 ELITE GAMING BLACK 12GHz video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 6900 XT runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card EVGA GeForce GTX 1080 Ti FTW3 ELITE GAMING BLACK 12GHz runs at 1.569 GHz+ 6 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 340 W+ 13 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.