Comparison of EVGA GeForce GTX 1080 Ti SC2 ELITE GAMING GREEN video card vs Colorful iGame GTX 980 Ti TOP video card by specifications and benchmarks. EVGA GeForce GTX 1080 Ti SC2 ELITE GAMING GREEN runs at 1.556 GHz+ 5 % base clock speed and has 11 GB of GDDR5X memory, while video card Colorful iGame GTX 980 Ti TOP runs at 1.127 GHz+ 13 % base clock speed and has 6 GB of GDDR5 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.