Comparison of MSI GeForce GTX 1080 Ti DUKE 11G video card vs ASUS GeForce GTX 980 Ti video card by specs and benchmarks. MSI GeForce GTX 1080 Ti DUKE 11G runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory, while video card ASUS GeForce GTX 980 Ti runs at 1.480 GHz base clock speed and has 6 GB of GDDR5 memory. The weight is different, 1228 g 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.