Comparison of Palit GeForce GTX 1080 Ti GameRock video card vs Colorful GeForce GTX 1660 Ti 6G-V video card by specifications and benchmarks. Palit GeForce GTX 1080 Ti GameRock runs at 1.493 GHz+ 1 % base clock speed and has 11 GB of GDDR5X memory, while video card Colorful GeForce GTX 1660 Ti 6G-V runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 300 W+ 20 %, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.