Both cables are fully compatible with TiVo Mini DVR Companion
Used together, both cables provide audio and component video from TiVo Mini to TV. Cables plug into the back of the TiVo Mini.
Used separately, the composite (red/white/yellow) cable will provide composite audio and video for a TiVo Roamio.
TiVo Composite Breakout cable and TiVo Component Breakout cable. Use both cables for component video/audio out of a TiVo Mini, or use only the composite cable for composite video and audio from a TiVo Mini or TiVo Roamio.