Comparison of EVGA GeForce GTX 1080 Ti GAMING video card vs Colorful iGame GeForce RTX 2080 Neptune OC-V video card by specifications and benchmarks. EVGA GeForce GTX 1080 Ti GAMING runs at 1.480 GHz base clock speed and has 11 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 250 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.