Comparison of GIGABYTE GeForce GTX 1080 Turbo OC 8G video card vs EVGA GeForce RTX 2080 Ti XC2 Ultra Gaming video card by specifications and benchmarks. GIGABYTE GeForce GTX 1080 Turbo OC 8G runs at 1.632 GHz+ 2 % base clock speed and has 8 GB of GDDR5X memory, while video card EVGA GeForce RTX 2080 Ti XC2 Ultra Gaming 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.