Comparison of MSI GeForce GTX 1080 Ti DUKE 11G OC video card vs GIGABYTE GeForce RTX 2080 Gaming 8G video card by specifications and benchmarks. MSI GeForce GTX 1080 Ti DUKE 11G OC runs at 1.531 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory, while video card GIGABYTE GeForce RTX 2080 Gaming 8G runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.