Comparison of Gainward GeForce GTX 1060 3GB video card vs Gainward GeForce RTX 3070 Phantom GS video card by specifications and benchmarks. Gainward GeForce GTX 1060 3GB runs at 1.506 GHz base clock speed and has 3 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 120 W, and the second is 270 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.