Comparison of GIGABYTE GeForce GTX 1080 Mini ITX 8G video card vs Gainward GeForce GTX 1080 Phoenix video card by specs and benchmarks. GIGABYTE GeForce GTX 1080 Mini ITX 8G runs at 1.733 GHz+ 8 % base clock speed and has 8 GB of GDDR5X memory, while video card Gainward GeForce GTX 1080 Phoenix runs at 1.733 GHz+ 8 % base clock speed and has 8 GB of GDDR5X memory. The weight is different, -- vs --. The TDP of the first video card is 180 W, and the second is 180 W . Compare the benchmark results to find out which video card is better.