Comparison of Gainward GeForce GTX 1080 Ti GS video card vs GALAX GeForce RTX 3080 SG (1-Click OC) 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 GALAX GeForce RTX 3080 SG (1-Click OC) runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.