Comparison of Gainward GeForce GTX 1080 Ti Phoenix video card vs KFA2 GeForce RTX 2060 SUPER video card by specifications and benchmarks. Gainward GeForce GTX 1080 Ti Phoenix runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory, while video card KFA2 GeForce RTX 2060 SUPER runs at 1.470 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 175 W. Compare the table of benchmark results to find out which graphic card is better.