Comparison of Palit GeForce GTX 1660 Dual video card vs Gainward GeForce RTX 3070 Phantom GS video card by specifications and benchmarks. Palit GeForce GTX 1660 Dual runs at 1.530 GHz base clock speed and has 6 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.