Comparison of ASUS Dual GeForce RTX 2070 Evo OC video card vs Gainward GeForce RTX 3070 Phantom GS video card by specifications and benchmarks. ASUS Dual GeForce RTX 2070 Evo OC runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 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 175 W, and the second is 270 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.