Comparison of GIGABYTE Radeon RX 5500 XT OC 8G video card vs Gainward GeForce GTX 1080 Ti GS video card by specifications and benchmarks. GIGABYTE Radeon RX 5500 XT OC 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Gainward GeForce GTX 1080 Ti GS runs at 1.506 GHz+ 2 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 130 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.