Product highlights:

Picture:

• 76.8" screen (measured diagonally)
• 4K screen resolution (3840 x 2160 pixels)
• self-illuminating Quantum HDR OLED (Quantum Dot Organic Light Emitting Diode) display panel produces infinite picture contrast and absolute black
  • OLED's pixel-level dimming enables each of the panel's pixels to brighten, dim, or power off completely, displaying exceptional picture detail, contrast, and depth
  • Quantum Dot layer expands color volume for vibrant color even at high brightness levels
• Pantone Validated for rich, full-range color fidelity
• EyeComfort Mode evaluates your room's brightness and adjusts the TV's contrast settings accordingly
• HDR10, HDR10+ Adaptive/Gaming, and HLG for extended picture contrast and brightness when viewing HDR content
• Neural Quantum Processor 4K uses multi-layered neural networks to analyze and enhance video for incredible picture quality on all kinds of sources
  • Real Depth Enhancer increases foreground contrast to make content feel more lifelike
  • 4K AI Upscaling enhances standard-def and high-def video signals for optimum display on a 4K screen
• Filmmaker Mode™ automatically adjusts picture settings to preserve the director's intent
• Motion Xcelerator Turbo Pro blur reduction

Video source compatibility:

• watch streamed 4K video sources like Netflix®, Amazon Prime Video, and YouTube (requires internet speed of at least 25Mbps)
• Samsung TV Plus lets you enjoy subscription-free TV with 150+ channels
• NextGen TV ATSC 3.0 tuner pulls in over-the-air 4K broadcasts (antenna required)
• Clear QAM tuner decodes unencrypted digital cable signals up to 1080i without a set-top box (subscription required to receive cable channels)

Smart TV features:

• built-in Bixby and Amazon Alexa voice control assistants
  • also compatible with Google Assistant devices (sold separately)
• built-in support for Zigbee and Thread/Matter
• dual-band Wi-Fi 5 (802.11ac) provides fast, reliable wireless streaming
• Smart Hub makes navigating to your favorite content easy
• built-in Apple AirPlay® 2 allows wireless streaming from your Apple device
• mobile-to-TV wireless mirroring, including Multi View split screen

Gaming features:

• Game Motion Plus optimizes settings for smooth game play
• all HDMI inputs support 4K up to 144Hz
• supports variable refresh rate via FreeSync™ Premium and ALLM (Auto Low Latency Mode)
• Super Ultrawide GameView lets you adjust the aspect ratio from 21:9 to 32:9 and move the screen position to eye level for compatible PC games, optimizing your playing experience
• Game Bar 3.0 on-screen menu lets you double check your input lag and make adjustments to your fps (frames per second), HDR, wireless headset settings, etc.
• Gaming Hub lets you stream games from Xbox Game Pass, NVIDIA GeoForce Now, Google Stadia, Utomik, and Luna directly on your TV with a compatible controller (sold separately; subscriptions required)

Connections:

• 4 HDMI 2.1 inputs
  • supports ARC (Audio Return Channel)/eARC (enhanced Audio Return Channel)
• RF input for antenna/cable signals
• Toslink optical digital audio output
• Ethernet port for the fastest, most secure internet connection
• 2 USB 2.0 inputs for connecting a thumb drive or other device

Sound:

• built-in 2.1-channel speaker system (40 watts total power)
• supports Dolby Atmos for immersive overhead effects
• Object Tracking Sound Lite helps locate sounds where they appear on-screen
• Active Voice Amplifier analyzes ambient room noise and enhances voices for clear dialogue
• Q-Symphony 3.0 for a fuller soundstage with select Samsung sound bars

General features:

• SolarCell Remote can be charged using your home's lighting or USB
• Ambient Mode+ helps the TV blend into your room when it's wall-mounted, or shows screen savers featuring photos, artwork, or info like weather
• dimensions (measured by Crutchfield):
  • with stand: 67-3/4"W x 41-1/8"H x 14-1/4"D
  • without stand: 67-3/4"W x 39"H x 1-7/8"D
  • stand footprint: 14-1/2"W x 14-1/4"D
• weight: 83.3 lbs. with stand; 77.4 lbs. without stand
• wall-mountable (bracket sold separately)
  • VESA mounting hole pattern: 400mm x 300mm
• warranty: 1 year parts & labor
• MFR # QN77S90CAFXZA