Electronic devices with more than one video output terminals and capable of providing distinct videos at different video output terminals. The electronic device comprises first and second display processors driving first and second video output terminals, respectively. The first display processor comprises a blender and a multiplexer. The blender blends a video with image signals, provides a fully-blended video for the first video output terminal, outputs the video, the partly-blended videos and the fully-blended video to the multiplexer. The second display processor is coupled between the output terminal of the multiplexer and the second video output terminal.