Comparison of GALAX GeForce GTX 1080 EX OC video card vs GIGABYTE GeForce GTX 1080 Mini ITX 8G video card by specs and benchmarks. GALAX GeForce GTX 1080 EX OC runs at 1.657 GHz+ 3 % base clock speed and has 8 GB of GDDR5X memory, while video card GIGABYTE GeForce GTX 1080 Mini ITX 8G runs at 1.657 GHz+ 3 % 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.