Comparison of GALAX GeForce GTX 1070 EX video card vs GIGABYTE GeForce GTX 1080 Mini ITX 8G video card by specifications and benchmarks. GALAX GeForce GTX 1070 EX runs at 1.518 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory, while video card GIGABYTE GeForce GTX 1080 Mini ITX 8G runs at 1.733 GHz+ 8 % 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.