Comparison of EVGA GeForce GTX 1080 SC GAMING video card vs Gainward GeForce RTX 3070 Phantom 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 3070 Phantom runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 250 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.