Comparison of Palit GeForce GTX 1080 Ti GameRock Premium video card vs EVGA GeForce GTX 1660 XC BLACK GAMING video card by specifications and benchmarks. Palit GeForce GTX 1080 Ti GameRock Premium runs at 1.518 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory, while video card EVGA GeForce GTX 1660 XC BLACK GAMING runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 300 W+ 20 %, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.