Comparison of SAPPHIRE NITRO+ Radeon RX 6700 XT video card vs Gainward GeForce GTX 1080 Ti Phoenix GS video card by specifications and benchmarks. SAPPHIRE NITRO+ Radeon RX 6700 XT runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card Gainward GeForce GTX 1080 Ti Phoenix GS runs at 1.556 GHz+ 5 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 260 W+ 13 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.