Comparison of Colorful iGame GeForce GTX 1080 Ti Neptune W-V video card vs KFA2 GeForce RTX 2080 Ti EX video card by specifications and benchmarks. Colorful iGame GeForce GTX 1080 Ti Neptune W-V runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory, while video card KFA2 GeForce RTX 2080 Ti EX runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.