Comparison of GIGABYTE AORUS Radeon RX 6900 XT Xtreme Waterforce WB 16G video card vs Gainward GeForce GTX 1080 Phoenix 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 Gainward GeForce GTX 1080 Phoenix runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 300 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.