Comparison of Gainward GeForce RTX 2070 SUPER Phantom GS video card vs Colorful GeForce RTX 3070 NB-V video card by specifications and benchmarks. Gainward GeForce RTX 2070 SUPER Phantom GS runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Colorful GeForce RTX 3070 NB-V runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 215 W, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.