Comparison of GIGABYTE GeForce RTX 2080 Gaming OC White 8G video card vs Gainward GeForce RTX 3070 Phantom GS video card by specifications and benchmarks. GIGABYTE GeForce RTX 2080 Gaming OC White 8G runs at 1.515 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 225 W+ 5 %, and the second is 270 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.