Comparison of Colorful iGame GeForce GTX 1080 Vulcan X-V video card vs Colorful iGame GeForce GTX 1080 Ti Vulcan X OC-V video card by specifications and benchmarks. Colorful iGame GeForce GTX 1080 Vulcan X-V runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card Colorful iGame GeForce GTX 1080 Ti Vulcan X OC-V runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 180 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.