Comparison of Gainward GeForce GTX 1080 Phoenix GLH video card vs Gainward GeForce RTX 3070 Phantom GS video card by specifications and benchmarks. Gainward GeForce GTX 1080 Phoenix GLH runs at 1.746 GHz+ 9 % base clock speed and has 8 GB of GDDR5X 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 180 W, and the second is 270 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.