Comparison of GIGABYTE GeForce GTX 1080 D5X 8G video card vs GIGABYTE GeForce RTX 2080 Ti Turbo 11G video card by specifications and benchmarks. GIGABYTE GeForce GTX 1080 D5X 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card GIGABYTE GeForce RTX 2080 Ti Turbo 11G 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.