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Overview

Skip a trip to the movies and upgrade your home theatre with this Samsung 4K UHD HDR OLED Tizen smart TV. It features 4K Ultra HD resolution and a smart NQ4 AI Gen2 Processor for a vibrant, immersive viewing experience. Plus, powerful 40-watt speakers provide you with a Dolby Atmos surround sound from the comfort of your living room or bedroom.

Samsung 77" S90D Series 4K UHD HDR OLED Tizen Smart TV (QN77S90DAFXZC) - 2024 - Graphite Black

Brand: Samsung
Model: QN77S90DAFXZC
Web Code: 17903777
Sold and shipped by Best Buy

Screen Size: 77 in

55 in $1,799.99
77 in $3,299.99
Scheduled Delivery

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Return Policy

30 days to return or exchange

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Manufacturer's Warranty

Check with the manufacturer for details or add Best Buy Protection for extra coverage.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • Samsung SolarCell Remote TM2360E
  • User Manual
  • Power Cable

Impressive and immersive entertainment

  • This slim-profile 77-inch OLED TV with 4K Ultra HD resolution and 3840 x 2160 pixel native resolution puts you right in the action with stunning visuals
  • Because it's a smart TV, it lets you stream content from several online sources
  • NQ4 AI Gen2 Processor and 120Hz refresh rate ensure super-smooth videos and a life-like AI-powered viewing experience

Vibrant and detailed visuals

  • Featuring perceptional colour mapping technology to provide you with realistic hues and excellent visuals
  • Motion Xcelerator 144Hz delivers stunning performance, creating consistently crisp visuals and blazing-fast speeds for better picture quality

Cinematic surround sound

  • Built-in 40-watt, 2.1 channel speakers deliver cinematic sound quality for immersive audio at home
  • Neo QLED delivers a next-level Dolby Atmos audio for better sound quality
  • Q-Symphony allows your TV and soundbar speakers to operate simultaneously for a surround effect, without muting your TV speakers

Easy-to-use smart TV experience

  • Tizen OS keeps your viewing experience simple and efficient
  • Comes preinstalled with Samsung TV Plus, SmartThings, Samsung Health, Netflix, Prime and YouTube apps for the ultimate in out-of-box convenience
  • Gaming Hub with cloud gaming services allows you to play exciting games with no console needed
  • Master your fitness routine with camera-powered coaching provided by an app
  • AMD FreeSync Premium provides smoother gaming
  • Note that some apps may require subscription, not included

Energy-saving efficiency

  • AI Energy Mode with auto-off conserves power to increase your energy efficiency
  • SolarCell remote has a solar panel on the back that uses both indoor and outdoor light for charging, so no batteries are needed

Convenient connectivity

  • Compatibility with Amazon Alexa and Google Assistant offers you easy voice control options
  • Wi-Fi 5, Apple Airplay 2 and Bluetooth 5.2 technology let the TV pair wirelessly with your compatible devices
  • Four HDMI and two USB inputs let you connect to various devices to improve your entertainment experience
  • Built-in SmartThings Hub lets you take advantage of enhanced connectivity with devices that are compatible to Matter and HCA (Home Connectivity Alliance)
  • Optional 300mm x 200mm wall mount, sold separately, allows you to instantly create a sleek home theatre
Model Year
2024
Demo Model
No

Video

Screen Size
77 in
Resolution
4K Ultra HD
TV Display Technology
OLED
Backlight Technology
OLED Dimming
High Dynamic Range (HDR)
Yes
Refresh Rate
120 Hz
Motion Enhancement Technology
Motion Xcelerator 144Hz
Colour Enhancement
Perceptional Colour Mapping
Panel Shape
Flat

Audio

Audio Enhancement
Dolby Atmos, OTS Lite
Speaker Configuration
2.1 CH
Speaker Output Power
40 W

Inputs/Outputs

HDMI Inputs
4
USB Media Port
2
Internet Connectivity
Wi-Fi and Wired
Bluetooth
Yes (BT5.2)
Chromecast built-in
No
Wireless Standard Generation
Wi-Fi 5
TV Operating System
Tizen OS
Preloaded Apps
Samsung TV Plus; Netflix; Prime; Disney Plus ; YouTube; SmartThings; Gallery; Samsung Health
Voice Control
Yes
Voice Assistant Built-In
Amazon Alexa
Works with Google Assistant
Yes
Works with Amazon Alexa
Yes

Physical Features

Wall Mount
Optional
Wall Mount Specification
400 x 300

Dimensions With Stand

Width with Stand
171.85 cm
Height with Stand
105.86 cm
Depth with Stand
35.9 cm
Weight with Stand
36.6 kg

Dimensions Without Stand

Width without Stand
171.85 cm
Height without Stand
98.76 cm
Depth without Stand
4.49 cm
Weight without Stand
34.8 kg

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Information about the manufacturer’s availability guarantee can be found .