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A 77 inch Graphite Black OLED TV and a matching soundbar side by side

SAMSUNG

SAMSUNG QN77S90FAFXZA 77" 4K OLED Smart TV + HW-Q800F 5.1.2 Soundbar (2025)

SKU CH-170G-W759D

A 77-inch 4K OLED smart TV with 120Hz refresh rate and 128 neural-network AI upscaling, paired with a 5.1.2-channel soundbar for Dolby Atmos surround sound

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

Screen Size 77"

  • 77-inch OLED screen delivers 4K detail at 3840 x 2160 resolution
  • 120Hz refresh rate with Motion Xcelerator 144Hz ensures smooth gaming motion
  • NQ4 AI Gen3 Processor uses 128 neural networks for AI upscaling and sound
  • 1.2-channel HW-Q800F soundbar with Dolby Atmos creates immersive surround audio
  • Tizen Smart TV platform with Wi-Fi 5 provides streaming apps and smart features

77-Inch 4K OLED Smart TV Bundle

This 2025 Samsung S90FA television combines a 77-inch OLED panel with a 5.1.2-channel Q-Series soundbar. The NQ4 AI Gen3 Processor uses 128 neural networks to upscale content to 4K resolution across streaming, gaming and live sports. Buyers needing a smaller screen or a different audio format will look elsewhere.

Sustained 120Hz Motion and AI Upscaling

The display runs at 120 Hz native refresh with Motion Xcelerator support up to 144 Hz for smoother motion during extended sessions. AI Motion Enhancer Pro and 4K AI Upscaling Pro apply the processor’s neural networks continuously, maintaining detail and contrast without frame drops. Viewers who require variable refresh beyond 144 Hz or native 8K decoding are not addressed by this model.

OLED Contrast with Eco Power Management

Self-emissive OLED pixels deliver deep blacks and bright highlights while the Eco Sensor and Auto Power Saving adjust output to ambient light. The 2.1-channel TV speakers plus the external 5.1.2 soundbar with subwoofer provide Dolby Atmos and Q-Symphony Pro audio without extra wiring. Installers needing passive cooling specs or exact wattage figures will not find them here.

Highlights

  • 77-inch OLED screen delivers 4K detail at 3840 x 2160 resolution
  • 120Hz refresh rate with Motion Xcelerator 144Hz ensures smooth gaming motion
  • NQ4 AI Gen3 Processor uses 128 neural networks for AI upscaling and sound
  • 1.2-channel HW-Q800F soundbar with Dolby Atmos creates immersive surround audio
  • Tizen Smart TV platform with Wi-Fi 5 provides streaming apps and smart features

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

Does the 77-inch OLED panel and NQ4 AI Gen3 Processor with 128 neural networks run hot or loud during all-day use?

The TV uses an OLED panel with per-pixel lighting and the NQ4 AI Gen3 Processor with 128 neural networks; no fan noise or heat figures are published for continuous operation.

Which HDMI sources and eARC port must I already own to get 5.1.2-channel Dolby Atmos through the HW-Q800F soundbar?

The TV provides four HDMI inputs and an eARC port; connect compatible 4K 120 Hz sources and the soundbar to eARC for 5.1.2-channel Dolby Atmos via Q-Symphony Pro.

Will my older 1080p 60 Hz Blu-ray player and game console work properly on the 120 Hz panel with Motion Xcelerator 144 Hz?

Yes, the 120 Hz panel with Motion Xcelerator 144 Hz accepts 1080p 60 Hz signals; the NQ4 AI Gen3 Processor upscales to 4K using 128 neural networks and applies motion enhancement.

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