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77 inch Graphite Black OLED TV with slim panel and thin bezels

SAMSUNG

SAMSUNG QN77S90FAFXZA 77" 4K OLED Smart TV 120Hz Graphite Black (2025)

SKU CH-W6ZP-WV9ZP

A 77-inch 4K OLED smart TV with 120Hz refresh rate, 2.1-channel audio and an included 2.5m premium 8K HDMI cable

  • Year2025
  • ColorGraphite Black
  • TV TypeOLED TV
  • Smart TVYes
  • Screen Size77"
  • Recommended Resolution4K
  • AI upscaling sharpens every scene to 4K resolution
  • OLED HDR+ delivers powerful brightness and deeper contrast per pixel
  • 120Hz refresh rate with Motion Xcelerator 144Hz ensures smooth motion
  • 1 speaker system with Dolby Atmos and OTS Lite creates immersive audio
  • Included 2.5m Austere 8K HDMI cable supports VRR, ALLM, QMS and QFT

77-inch OLED TV with 120Hz panel

The Samsung QN77S90FAFXZA is a 77-inch 4K OLED Smart TV built for viewers who want pixel-level contrast and a 120Hz native refresh rate. Its NQ4 AI Gen3 processor drives 4K AI Upscaling Pro and AI Motion Enhancer Pro for sharper detail from any source. A 2.1-channel speaker system with Dolby Atmos and OTS Lite handles audio, while the Tizen platform provides streaming apps and Samsung Health integration.

Check HDMI ports and wall-mount pattern before

The set includes four HDMI inputs and a bundled Austere 2.5m 8K HDMI cable that supports Variable Refresh Rate, Auto Latency Mode, Quick Media Switching and Quick Frame Transport. Confirm your AV receiver or soundbar has an eARC-capable HDMI port to use the High-Fidelity eARC feature. Verify the VESA mounting pattern matches your bracket and that your network can use Wi-Fi 5 or the wired Ethernet connection.

Replaces older 60Hz LED

The jump is worth it if your current TV tops out at 60Hz and you watch sports, play games at 120fps or want deeper blacks without blooming. Motion Xcelerator 144Hz and 120Hz VRR support reduce judder and tearing that older panels cannot. Buyers who need more than four HDMI devices or require a newer Wi-Fi standard should note those limits.

Highlights

  • AI upscaling sharpens every scene to 4K resolution
  • OLED HDR+ delivers powerful brightness and deeper contrast per pixel
  • 120Hz refresh rate with Motion Xcelerator 144Hz ensures smooth motion
  • 1 speaker system with Dolby Atmos and OTS Lite creates immersive audio
  • Included 2.5m Austere 8K HDMI cable supports VRR, ALLM, QMS and QFT

Specifications

BrandSamsung
SeriesS90FA
ModelQN77S90FAFXZA
Year2025
ColorGraphite Black
TV TypeOLED TV
Smart TVYes
Screen Size77"
Recommended Resolution4K
Maximum Resolution3840 x 2160
Aspect Ratio16:9
Refresh Rate120Hz
OLED TVYes
3DTVNo
V-ChipYes
Speaker Configuration2.1
Simulated SurroundYes
HDMI4 In
LANEthernet In
WirelessWi-Fi / Bluetooth
USBYes
Digital Audio1 Optical Out
Other ConnectorsHDMI, USB, LAN, Optical, RF, RS-232C
Energy Star CompliantYes
Internet ConnectionWired / Wireless
Remote ControlYes
VESA400mm x 300mm
FeatureNQ4 AI Gen3 Processor, AI Motion Enhancer Pro, 120Hz (Up to 144Hz) Refresh Rate, OLED HDR+, Auto HDR Remastering, Ultra Viewing Angle, Real Depth Enhancer, Motion Xcelerator 144Hz, Film Mode, 4K AI Upscaling Pro, Color Booster Pro, Dolby Atmos, OTS Lite, Q-Symphony Pro, Bluetooth Audio, 360 Audio, Tizen Smart TV, Samsung Health, VESA 400mm x 300mm, Wi-Fi 5, HDMI 4, 2 x USB-A, Eco Sensor, Auto Power Saving/Off, BT SolarCell Remote
Dimensions With Stand (W x H x D)67.7 X 41.7 X 14.1
Dimensions Without Stand (W x H x D)67.7 X 38.9 X 1.8
Weight With Stand80.7
Weight Without Stand76.7

Questions about this item

Does the bundle include everything needed to mount the 77" OLED on a wall, or is a bracket sold separately?

The box contains the 77" OLED TV and a 2.5m Austere 8K HDMI cable. A VESA-compatible wall bracket is not included and must be purchased separately.

The spec lists 120Hz and mentions up to 144Hz — which figure applies to console gaming at 4K?

The panel runs at a native 120Hz refresh rate. Motion Xcelerator can boost motion clarity to 144Hz, but 4K console signals remain at 120Hz.

How does the 2.1 speaker system with Dolby Atmos perform without external speakers?

The built-in 2.1 channels use OTS Lite to place sound objects on screen, while Dolby Atmos decoding adds height cues — fine for casual viewing, but a soundbar or Q-Symphony Pro soundbar will deliver fuller bass and wider soundstage.

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