Comparison of PowerColor Radeon VII video card vs Colorful iGame GeForce GTX 1080 Vulcan UT V2-V video card by specifications and benchmarks. PowerColor Radeon VII runs at 1.400 GHz base clock speed and has 16 GB of HBM2 memory, while video card Colorful iGame GeForce GTX 1080 Vulcan UT V2-V runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 300 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.