Comparison of GIGABYTE GeForce GTX 1070 G1 Gaming 8G video card vs Gainward GeForce GTX 1080 Phoenix video card by specifications and benchmarks. GIGABYTE GeForce GTX 1070 G1 Gaming 8G runs at 1.594 GHz+ 6 % base clock speed and has 8 GB of GDDR5 memory, while video card Gainward GeForce GTX 1080 Phoenix runs at 1.607 GHz 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.