Comparison of Colorful GeForce GTX 1060 SI-6G-V video card vs Colorful GeForce GTX 1080 Ti Founders Edition video card by specifications and benchmarks. Colorful GeForce GTX 1060 SI-6G-V runs at 1.506 GHz base clock speed and has 6 GB of GDDR5 memory, while video card Colorful GeForce GTX 1080 Ti Founders Edition runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 120 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.