Comparison of Colorful iGame GeForce GTX 1070 Ti Vulcan X-V video card vs Gainward GeForce GTX 1080 Founders Edition video card by specifications and benchmarks. Colorful iGame GeForce GTX 1070 Ti Vulcan X-V runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Gainward GeForce GTX 1080 Founders Edition runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 180 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.