Comparison of KFA2 GeForce GTX 1070 EX video card vs ASUS ROG Strix GeForce GTX 1080 Ti OC edition video card by specifications and benchmarks. KFA2 GeForce GTX 1070 EX runs at 1.518 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory, while video card ASUS ROG Strix GeForce GTX 1080 Ti OC edition runs at 1.569 GHz+ 6 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 150 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.