NVIDIA has shown off a gameplay video of Doom Eternal running on its latest GeForce RTX 3080 graphics card. The RTX 3080 reportedly runs twice as fast as the last generation 2080, and in the video, NVIDIA compare the new GPU to the souped-up 2080 Ti. The gameplay video runs in 4K resolution at a framerate that's mostly above 100 fps. The recently launched RTX 3080 card costs $699 in the US, and will available from September 17th.