Comparison of PNY GeForce GTX 1660 6GB Blower video card vs Gainward GeForce RTX 3070 Phantom+ LHR video card by specifications and benchmarks. PNY GeForce GTX 1660 6GB Blower runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card Gainward GeForce RTX 3070 Phantom+ LHR 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 250 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.