Comparison of Gainward GeForce RTX 2070 Phantom GLH video card vs GALAX GeForce RTX 3070 EX Gamer (1-Click OC) video card by specifications and benchmarks. Gainward GeForce RTX 2070 Phantom GLH runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory, while video card GALAX GeForce RTX 3070 EX Gamer (1-Click OC) 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+ 23 %, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.