Comparison of EVGA GeForce GTX 1080 SC GAMING video card vs Gainward GeForce RTX 3080 Ti Phantom GS video card by specifications and benchmarks. EVGA GeForce GTX 1080 SC GAMING runs at 1.708 GHz+ 6 % base clock speed and has 8 GB of GDDR5X memory, while video card Gainward GeForce RTX 3080 Ti Phantom GS runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 180 W, and the second is 400 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.