Comparison of GIGABYTE GeForce GTX 1080 G1 Gaming 8G video card vs GALAX GeForce GTX 1080 EX OC V2 video card by specs and benchmarks. GIGABYTE GeForce GTX 1080 G1 Gaming 8G runs at 1.695 GHz+ 5 % base clock speed and has 8 GB of GDDR5X memory, while video card GALAX GeForce GTX 1080 EX OC V2 runs at 1.695 GHz+ 5 % 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.