Comparison of GALAX GeForce GTX 1070 Ti EX video card vs Gainward GeForce GTX 1080 Phoenix GLH video card by specifications and benchmarks. GALAX GeForce GTX 1070 Ti EX runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Gainward GeForce GTX 1080 Phoenix GLH runs at 1.746 GHz+ 9 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 180 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.