Comparison of MANLI GeForce GTX 1660 (M1431+N542) video card vs Gainward GeForce RTX 2070 Phantom GS video card by specifications and benchmarks. MANLI GeForce GTX 1660 (M1431+N542) runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card Gainward GeForce RTX 2070 Phantom GS runs at 1.410 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 185 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.