Comparison of GIGABYTE GeForce GTX 1070 Mini ITX OC 8G video card vs Gainward GeForce RTX 3080 12GB Phoenix video card by specifications and benchmarks. GIGABYTE GeForce GTX 1070 Mini ITX OC 8G runs at 1.531 GHz+ 2 % base clock speed and has 8 GB of GDDR5 memory, while video card Gainward GeForce RTX 3080 12GB Phoenix runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 150 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.