Comparison of Colorful iGame GeForce GTX 1080 U-TOP-8G-V video card vs Colorful iGame GeForce RTX 2080 Neptune OC-V video card by specifications 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 Colorful iGame GeForce RTX 2080 Neptune OC-V runs at 1.515 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 215 W. Compare the table of benchmark results to find out which graphic card is better.