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A 77 inch Graphite Black OLED TV with a slim profile and minimal bezels on a table stand

SAMSUNG

SAMSUNG QN77S90FAFXZA 77" 4K OLED Smart TV 120Hz

SKU CH-JE5G-Q1EHH

A 77-inch OLED 4K smart TV with 120Hz refresh, AI upscaling, 2.1 speakers and Dolby Atmos, bundled with a full-motion mount for 43-90 inch screens and a three-outlet surge protector

  • Year2025
  • ColorGraphite Black
  • TV TypeOLED TV
  • Smart TVYes
  • Screen Size77"
  • Recommended Resolution4K

Screen Size 77"

  • AI-enhanced 4K picture via 128 neural networks
  • Everything upscaled to sharp 4K by AI processor
  • Smooth 120Hz motion up to 144Hz for gaming
  • Dolby Atmos sound with 2.1 speakers and OTS Lite
  • Fixed wall mount fits 43 to 90 inch screens

77-inch OLED Smart TV with AI upscaling

The Samsung QN77S90FAFXZA is a 77-inch OLED Smart TV built for viewers who want deep contrast and AI-enhanced 4K picture quality. It includes a full-motion wall mount and a three-outlet surge protector in the bundle. The 120 Hz native panel supports up to 144 Hz motion processing for smoother sports and gaming. Tizen OS provides streaming apps and smart home integration.

HDMI 2.1 bandwidth caps 4K at 120 Hz

Four HDMI inputs accept 4K signals at 120 Hz, matching the panel's native refresh rate for consoles and PCs. The AI Motion Enhancer Pro can interpolate frames up to 144 Hz, though source content above 120 Hz is not passed through the HDMI ports. Wi-Fi 5 and Ethernet handle network streaming, while Bluetooth connects wireless audio. The 2.1-channel speaker system with Dolby Atmos and OTS Lite creates virtual surround without extra speakers.

128 neural networks drive upscaling headroom

The NQ4 AI Gen3 Processor uses 128 neural networks to upscale sub-4K sources to 3840 x 2160, preserving detail on streaming video and broadcast TV. OLED HDR+ and Auto HDR Remastering expand dynamic range within the panel's peak brightness limits. The 175 lb mount rating secures the 77-inch screen on VESA patterns from 43 to 90 inches. Ultra Viewing Angle maintains colour accuracy for off-centre seats.

Highlights

  • AI-enhanced 4K picture via 128 neural networks
  • Everything upscaled to sharp 4K by AI processor
  • Smooth 120Hz motion up to 144Hz for gaming
  • Dolby Atmos sound with 2.1 speakers and OTS Lite
  • Fixed wall mount fits 43 to 90 inch screens

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

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Questions about this item

Should I pick the 77" S90FA or a smaller size for my living room?

The 77" panel delivers 3840 x 2160 pixels at 120Hz native refresh, so choose it when viewing distance allows the larger canvas to show the full 4K detail.

What does the 120Hz refresh rate actually give me in games and sport?

Motion Xcelerator drives the panel up to 144Hz, so fast-motion content stays sharp with minimal blur on the OLED screen.

Which HDMI standard do the four ports support and what resolution ceiling does that create?

Four HDMI inputs accept 4K signals at 120Hz, letting consoles and PCs run at the panel's maximum 3840 x 2160 120Hz without compression.

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