Comparison of GIGABYTE GeForce GTX 1080 Xtreme Gaming 8G video card vs EVGA GeForce GTX 1080 SC GAMING ACX video card by specifications and benchmarks. GIGABYTE GeForce GTX 1080 Xtreme Gaming 8G runs at 1.759 GHz+ 9 % base clock speed and has 8 GB of GDDR5X memory, while video card EVGA GeForce GTX 1080 SC GAMING ACX runs at 1.708 GHz+ 6 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 180 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.