Comparison of ZOTAC GeForce GTX 1080 Ti ArcticStorm video card vs KFA2 GeForce RTX 2080 Ti Dual Black (1-Click OC) video card by specs and benchmarks. ZOTAC GeForce GTX 1080 Ti ArcticStorm runs at 1.506 GHz+ 2 % base clock speed and has 11 GB of GDDR5X memory, while video card KFA2 GeForce RTX 2080 Ti Dual Black (1-Click OC) runs at 1.506 GHz+ 2 % base clock speed and has 11 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.