Comparison of Gainward GeForce GTX 980 Ti Phoenix GS video card vs INNO3D GeForce RTX 2080 Ti TWIN X2 video card by specifications and benchmarks. Gainward GeForce GTX 980 Ti Phoenix GS runs at 1.241 GHz+ 24 % base clock speed and has 6 GB of GDDR5 memory, while video card INNO3D GeForce RTX 2080 Ti TWIN X2 runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 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.