Comparison of ZOTAC GeForce GTX 1080 ArcticStorm video card vs GALAX GeForce RTX 2080 Ti SG (1-Click OC) video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 ArcticStorm runs at 1.632 GHz+ 2 % base clock speed and has 8 GB of GDDR5X memory, while video card GALAX GeForce RTX 2080 Ti SG (1-Click OC) runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 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.