Comparison of Colorful iGame GeForce GTX 1080 Ti Vulcan X OC-V video card vs GIGABYTE GeForce RTX 2070 GAMING OC 3X 8G video card by specifications and benchmarks. 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, while video card GIGABYTE GeForce RTX 2070 GAMING OC 3X 8G runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 175 W. Compare the table of benchmark results to find out which graphic card is better.