Comparison of KFA2 GeForce GTX 980 Ti HOF video card vs Gainward GeForce GTX 1080 Ti GS video card by specifications and benchmarks. KFA2 GeForce GTX 980 Ti HOF runs at 1.190 GHz+ 19 % base clock speed and has 6 GB of GDDR5 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 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.