Originally posted by mr_smith
not sure why the default the nvidia driver set up was only 16, kinda silly if you ask me considering its a Geforce4
16-bit color depth is optimal for 3D accelleration. 24-bit color depth (24 or 32 bpp) is best for truecolor images. As far as video applications are concerned it depends, some work better at 16 and others better at 24.