Comparison of KFA2 GeForce GTX 1080 Ti EX OC video card vs EVGA GeForce GTX 980 Ti GAMING ACX 2.0+ video card by specifications and benchmarks. KFA2 GeForce GTX 1080 Ti EX OC runs at 1.531 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory, while video card EVGA GeForce GTX 980 Ti GAMING ACX 2.0+ runs at 1.000 GHz 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.