The NVIDIA Vanta 16MB (Compaq) is an older graphics card released by NVIDIA in the late 1990s, typically bundled with Compaq PCs of that era. It was part of the NVIDIA RIVA TNT family and was marketed as an entry-level graphics solution for personal computers. The "16MB" refers to the amount of video memory on the card, which was a decent amount at the time.

The Windows driver for the Vanta card allows Windows operating systems to interact with the graphics hardware, enabling things like display output, 2D/3D acceleration, and video playback. As the Vanta series is quite old, official support has long since been discontinued, but the driver is still necessary if you want the system to properly recognize and use the graphics card.