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Large 77 inch Graphite Black OLED smart TV, ultra-thin panel on minimal stand

SAMSUNG

SAMSUNG QN77S90FAFXZA 77 Inch 4K OLED Smart TV 120Hz 2025

SKU CH-8HDW-79YKX

A 77 inch 4K OLED smart TV with 120 Hz refresh rate, NQ4 AI Gen3 processor and 128 neural networks for AI upscaling

  • Screen size77 in (196 cm)
  • Refresh frequency120 Hz
  • Year2025
  • TV technologyOLED TV
  • Optimal resolution4K
  • Highest resolution3840 × 2160

Screen Size 77"

  • NQ4 AI Gen3 Processor with 128 neural networks upscales content to 4K
  • 4K AI Upscaling Pro sharpens every scene using AI neural networks
  • OLED HDR+ delivers powerful brightness and deep contrast
  • 120 Hz refresh rate with Motion Xcelerator 144 Hz ensures smooth motion
  • 1 channel speaker system with Dolby Atmos creates immersive sound

77-inch 4K OLED Smart TV for home cinema

This 77-inch OLED panel delivers self-emissive pixels and a 4K resolution of 3840 x 2160. The NQ4 AI Gen3 Processor uses 128 neural networks to upscale any source toward 4K clarity. Dolby Atmos and a 2.1 speaker configuration provide immersive sound for films and streaming.

Sustained 120 Hz motion with AI enhancement

A native 120 Hz refresh rate supports fluid motion during long viewing sessions, while Motion Xcelerator can reach 144 Hz for fast content. AI Motion Enhancer Pro and Real Depth Enhancer maintain detail and contrast without flicker across extended playback of sports or games.

Graphite Black design with four HDMI ports

The slim Graphite Black chassis fits VESA mounts and includes four HDMI inputs, two USB-A ports, Ethernet and Wi-Fi 5 connectivity. A BT SolarCell Remote charges via light, reducing battery waste. Eco Sensor and Auto Power Saving adjust brightness to ambient conditions automatically.

How it compares

Measured against everything we stock in LED, Quantum Dot & OLED TVs, at today’s prices. Recalculated every night.

Price $1,619.99
Pricier than about 57% of the 836 comparable items (median $1,384.99).
Screen size 77 in (196 cm)
Higher than about 80% of the 693 comparable items (median 65 in).
Refresh frequency 120 Hz
Typical for this category: the median of 463 items is 120 Hz.

Specifications

Product
Brand nameSamsung
Product lineS90FA
Model nameQN77S90FAFXZA
Year2025
Product colorGraphite Black
Display
Screen size77 in (196 cm)
Refresh frequency120 Hz
TV technologyOLED TV
Optimal resolution4K
Highest resolution3840 × 2160
Screen ratio16:9
OLED panelYes
3D supportNo
Audio & video
Speaker setup2.1
Virtual surroundYes
Connectivity
LAN connectionEthernet In
Wireless connectivityWi-Fi / Bluetooth
Internet accessWired / Wireless
Ports & slots
HDMI ports4 In
USB portsYes
Digital audio output1 Optical Out
Size & build
VESA mount pattern400 mm x 300 mm
Dimensions with stand67.7 × 41.7 × 14.1
Size without stand67.7 × 38.9 × 1.8
Environment & compliance
Energy StarYes
Software
Smart TV supportYes
More details
Parental controlsYes
Remote controllerYes

Other versions of this model

5 more in the same range

Questions about this item

How much power does the 77 inch OLED panel draw when running all day at 120Hz?

The 77 inch OLED TV runs at a 120Hz refresh rate and can reach 144Hz for gaming, with the NQ4 AI Gen3 Processor managing power through 128 neural networks.

Which external audio gear must I already own to use the TV's Dolby Atmos and Q-Symphony Pro features?

Dolby Atmos and OTS Lite work through the built-in 2.1 speaker system, while Q-Symphony Pro adds a compatible Samsung soundbar over Bluetooth Audio or HDMI.

Will my older 1080p Blu-ray player and game console connect to the four HDMI inputs without an adapter?

Yes, the four HDMI inputs accept legacy 1080p sources, and the NQ4 AI Gen3 Processor uses 4K AI Upscaling Pro with 128 neural networks to upscale them to 3840 x 2160.

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