Comparison of GIGABYTE AORUS Radeon RX 6900 XT Xtreme Waterforce WB 16G video card vs EVGA GeForce GTX 1080 Ti GAMING video card by specifications and benchmarks. GIGABYTE AORUS Radeon RX 6900 XT Xtreme Waterforce WB 16G runs at 1.950 GHz+ 7 % base clock speed and has 16 GB of GDDR6 memory, while video card EVGA GeForce GTX 1080 Ti GAMING 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.