A:Answer CharlieB - The Q60D TV includes features like Dual LED backlighting, our Quantum Processor 4K Lite, Motion Xcelerator with Auto Game Mode (ALLM), and 20-Watt 2 Channel sound with Object Tracking Sound Lite. When stepping up to the Q80D, you’ll gain Quantum HDR+ (Quantum HDR on 50”) with Direct Full Array Backlighting, giving you an extensive range of contrast with deep blacks and pure whites, as well as Freesync Premium Pro for an enhanced gaming experience. The Q80D also features Dolby Atmos to envelop you in cinematic surround sound.
~ Samsung Specialist