nVidia does build their own cards, as well. But yes, the graphics card market is predicated on AMD and nVidia creating the designs, and then other companies lic

nVidia does build their own cards, as well. But yes, the graphics card market is predicated on AMD and nVidia creating the designs, and then other companies license and manufacture them. Some will also alter the designs a bit, like adding more memory, overclocking the cards, etc.