Comparison of EVGA GeForce GTX 1070 Ti SC GAMING video card vs Gainward GeForce RTX 3070 Phantom GS video card by specifications and benchmarks. EVGA GeForce GTX 1070 Ti SC GAMING runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Gainward GeForce RTX 3070 Phantom GS 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 270 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.