Comparison of Gainward GeForce GTX 1080 Ti GS video card vs GIGABYTE GeForce RTX 2080 Gaming OC White 8G video card by specifications and benchmarks. Gainward GeForce GTX 1080 Ti GS runs at 1.506 GHz+ 2 % base clock speed and has 11 GB of GDDR5X memory, while video card GIGABYTE GeForce RTX 2080 Gaming OC White 8G runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 225 W+ 5 %. Compare the table of benchmark results to find out which graphic card is better.