Comparison of Colorful iGame GeForce GTX 1080 Vulcan X-V video card vs Gainward GeForce RTX 2070 Phoenix GS 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 Gainward GeForce RTX 2070 Phoenix GS runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 185 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.