Comparison of EVGA GeForce GTX 1080 Ti SC2 GAMING video card vs EVGA GeForce RTX 2080 Ti XC Ultra Gaming video card by specifications and benchmarks. EVGA GeForce GTX 1080 Ti SC2 GAMING runs at 1.556 GHz+ 5 % base clock speed and has 11 GB of GDDR5X memory, while video card EVGA GeForce RTX 2080 Ti XC Ultra Gaming 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.