Comparison of EVGA GeForce GTX 1080 Ti SC Black Edition GAMING video card vs GIGABYTE GeForce RTX 2080 SUPER Windforce OC 8G video card by specs 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 GIGABYTE GeForce RTX 2080 SUPER Windforce OC 8G runs at 1.556 GHz+ 5 % base clock speed and has 8 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.