Comparison of EVGA GeForce GTX 1080 SC GAMING (Radial) video card vs KFA2 GeForce GTX 1080 Ti video card by specifications and benchmarks. EVGA GeForce GTX 1080 SC GAMING (Radial) runs at 1.708 GHz+ 6 % base clock speed and has 8 GB of GDDR5X memory, while video card KFA2 GeForce GTX 1080 Ti runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 180 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.