Comparison of Palit GeForce GTX 1070 Super JetStream video card vs Palit GeForce GTX 1660 Dual OC video card by specifications and benchmarks. Palit GeForce GTX 1070 Super JetStream runs at 1.632 GHz+ 8 % base clock speed and has 8 GB of GDDR5 memory, while video card Palit GeForce GTX 1660 Dual OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 170 W+ 13 %, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.