Comparison of EVGA GeForce GTX 1080 Ti Black Edition GAMING video card vs GIGABYTE GeForce GTX 980 Ti Windforce 3X video card by specifications and benchmarks. EVGA GeForce GTX 1080 Ti Black Edition GAMING runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory, while video card GIGABYTE GeForce GTX 980 Ti Windforce 3X runs at 1.026 GHz+ 3 % base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.