Comparison of Colorful iGame GeForce GTX 1080 U-TOP-8G-V video card vs NVIDIA GeForce GTX 1080 video card by specs and benchmarks. Colorful iGame GeForce GTX 1080 U-TOP-8G-V runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card NVIDIA GeForce GTX 1080 runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The weight is different, -- vs . The TDP of the first video card is 180 W, and the second is 180 W . Compare the benchmark results to find out which video card is better.