Comparison of EVGA GeForce GTX 1080 Ti SC Black Edition GAMING video card vs KFA2 GeForce RTX 2080 EX (1-Click OC) video card by specifications and benchmarks. EVGA GeForce GTX 1080 Ti SC Black Edition GAMING runs at 1.556 GHz+ 5 % base clock speed and has 11 GB of GDDR5X memory, while video card KFA2 GeForce RTX 2080 EX (1-Click OC) runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.