A:Answer Hi chandy! The TU6980, TU7000, and TU8000 all feature the same picture quality. Introducing our Crystal Display for brilliant colors and exceptionally crisp, vivid images. The Crystal 4K Processor further brings impressive clarity to all your content while upscaling everything you watch to stunning 4K definition, no matter the source. When stepping up to the TU7000 from the TU6980, you gain cable clips in the box allowing you to reduce clutter providing a cable free look. When stepping up to the TU8000 from the TU7000, you will have all the benefits of Crystal UHD, while gaining Ambient Mode and built-in Voice Assistants (Amazon Alexa, Bixby, Google Assistant) with a voice button on your OneRemote. The TU8000 also offers one Composite (AV) input and an additional HDMI and USB port. Finally, the RU9000 features improved motion handling with a 240 motion rate compared to the others with a motion rate of 120. ^Tim