Comparison of GIGABYTE GeForce GTX 1070 WINDFORCE OC 8G (rev. 2.0) video card vs Gainward GeForce GTX 1080 Phoenix GS video card by specifications and benchmarks. GIGABYTE GeForce GTX 1070 WINDFORCE OC 8G (rev. 2.0) runs at 1.556 GHz+ 3 % base clock speed and has 8 GB of GDDR5 memory, while video card Gainward GeForce GTX 1080 Phoenix GS runs at 1.708 GHz+ 6 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 150 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.