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77 inch LG OLED AI B5 4K Smart TV 2025

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77 inch LG OLED AI B5 4K Smart TV 2025

77 inch LG OLED AI B5 4K Smart TV 2025

OLED77B5PUA
  • Front view of 77 inch LG OLED AI B5 4K Smart TV 2025 OLED77B5PUA
  • Rear view of LG OLED AI B5 4K Smart TV.
  • Side view of LG OLED AI B5 4K Smart TV.
  • Front view and side view of LG OLED AI B5 4K Smart TV showing its length, width, height, and depth dimensions.
  • The alpha 8 AI Processor Gen2 lights up orange and pink, and colourful bolts of light shoot out from it. The title talks about how the processor delivers 4K quality, stunning colour and brightness. Image text reads approximately 1.7 times NPU greater AI Neural Processing and 1.4 times CPU Faster Operation.
  • Matte display ver Living room space with a wall-mounted LG OLED TV. On the TV is a mountain range against a dark evening sky filled with stars. This scene is split in half to show how Perfect Black delivers true black levels whether it's bright or dark around you. One side of the scene shows a duller, grayer version of the landscape labeled, Matte display. On the other side is a more pleasing picture with a larger dynamic range of blacks and whites. This is labeled, Perfect Black display. Logo certification is also visible, Perfect Black Technology delivers black levels less than or equal to 0.24 nit up to 500 lux. A text bubble is by its side it says, check the Perfect Black certification mark.
  • colourful parrot in ultra-high definition against a black background. Water drops are suspended in the air all around it. The image showcases Perfect colour as each different hue on the parrot's body is vibrant and vivid. The dark background with the detailed water splashes also highlights how the screen is reflection-free. Different logo certifications from UL and Intertek are visible. These refer to its 100% colour Fidelity, 100% colour Volume, and reflection-free claim. Text is also visible, check the Perfect colour certification mark.
  • Leopard in the forest in vivid colour and detail. The leopard has a grid and a light glowing behind it, indicating how LG AI Picture Pro made impressive visual enhancements to the scene's resolution, brightness, depth, and clarity.
  • LG TV screen with an AI Magic Remote on the foreground. The AI button is highlighted and a speech bubble shows text, suggest a movie I like. On the screen we see the user icon E, indicating how AI Voice ID was able to identify which user it was and give personalized recommendations just based on their voice.
  • LG AI Magic Remote with the AI button highlighted. Around it are the different functionalities that a user can access from the button. AI Voice ID, AI Search, AI Chatbot, AI Concierge, AI Picture Wizard, AI Sound Wizard. The text explains that the LG AI Magic Remote completes your AI experience with a dedicated AI button and can be used like an air mouse. Just point and click.
  • Close-up of an LG OLED TV screen showing how AI Search works. A small chat window is open showing how the user asked for what sports games are available. AI search responded via chat and by showing thumbnails of available content. There is also a prompt to ask Microsoft Copilot.
  • LG AI Magic Remote in front of an LG TV screen. On the screen is a personalized greeting from the LG AI with custom keywords based on the user's search and watch history. By the remote is an icon and label showing that the AI Concierge functionality is easily accessible with one short press on the AI button.
  • Sci-fi content is playing on an LG TV screen. On the screen is the AI Chatbot interface. The user messaged the chatbot saying that the screen is too dark. The chatbot offered solutions to the request. The whole scene is also split in two. One side is darker, the other side is brighter, showing how AI Chatbot solved the issue for the user automatically. Text explains AI Chatbot can understand user intent and provide solutions to troubleshoot.
  • LG gallery
  • Wide view of a premium living room in muted earth tones. On the wall is an LG OLED AI B5 4K Smart TV with an artwork on its screen. An LG Soundbar is mounted underneath it.
Front view of 77 inch LG OLED AI B5 4K Smart TV 2025 OLED77B5PUA
Rear view of LG OLED AI B5 4K Smart TV.
Side view of LG OLED AI B5 4K Smart TV.
Front view and side view of LG OLED AI B5 4K Smart TV showing its length, width, height, and depth dimensions.
The alpha 8 AI Processor Gen2 lights up orange and pink, and colourful bolts of light shoot out from it. The title talks about how the processor delivers 4K quality, stunning colour and brightness. Image text reads approximately 1.7 times NPU greater AI Neural Processing and 1.4 times CPU Faster Operation.
Matte display ver Living room space with a wall-mounted LG OLED TV. On the TV is a mountain range against a dark evening sky filled with stars. This scene is split in half to show how Perfect Black delivers true black levels whether it's bright or dark around you. One side of the scene shows a duller, grayer version of the landscape labeled, Matte display. On the other side is a more pleasing picture with a larger dynamic range of blacks and whites. This is labeled, Perfect Black display. Logo certification is also visible, Perfect Black Technology delivers black levels less than or equal to 0.24 nit up to 500 lux. A text bubble is by its side it says, check the Perfect Black certification mark.
colourful parrot in ultra-high definition against a black background. Water drops are suspended in the air all around it. The image showcases Perfect colour as each different hue on the parrot's body is vibrant and vivid. The dark background with the detailed water splashes also highlights how the screen is reflection-free. Different logo certifications from UL and Intertek are visible. These refer to its 100% colour Fidelity, 100% colour Volume, and reflection-free claim. Text is also visible, check the Perfect colour certification mark.
Leopard in the forest in vivid colour and detail. The leopard has a grid and a light glowing behind it, indicating how LG AI Picture Pro made impressive visual enhancements to the scene's resolution, brightness, depth, and clarity.
LG TV screen with an AI Magic Remote on the foreground. The AI button is highlighted and a speech bubble shows text, suggest a movie I like. On the screen we see the user icon E, indicating how AI Voice ID was able to identify which user it was and give personalized recommendations just based on their voice.
LG AI Magic Remote with the AI button highlighted. Around it are the different functionalities that a user can access from the button. AI Voice ID, AI Search, AI Chatbot, AI Concierge, AI Picture Wizard, AI Sound Wizard. The text explains that the LG AI Magic Remote completes your AI experience with a dedicated AI button and can be used like an air mouse. Just point and click.
Close-up of an LG OLED TV screen showing how AI Search works. A small chat window is open showing how the user asked for what sports games are available. AI search responded via chat and by showing thumbnails of available content. There is also a prompt to ask Microsoft Copilot.
LG AI Magic Remote in front of an LG TV screen. On the screen is a personalized greeting from the LG AI with custom keywords based on the user's search and watch history. By the remote is an icon and label showing that the AI Concierge functionality is easily accessible with one short press on the AI button.
Sci-fi content is playing on an LG TV screen. On the screen is the AI Chatbot interface. The user messaged the chatbot saying that the screen is too dark. The chatbot offered solutions to the request. The whole scene is also split in two. One side is darker, the other side is brighter, showing how AI Chatbot solved the issue for the user automatically. Text explains AI Chatbot can understand user intent and provide solutions to troubleshoot.
LG gallery
Wide view of a premium living room in muted earth tones. On the wall is an LG OLED AI B5 4K Smart TV with an artwork on its screen. An LG Soundbar is mounted underneath it.

Key Features

  • 4K picture quality, upscaled visual and surround sound from the alpha 8 AI Processor Gen2
  • True black levels in every pixel create stunning contrast, depth, and detail
  • 100% Colour Fidelity for accurate lifelike colours①. 100% Colour Volume for richer hues②
  • AI Picture Pro improves overall visual quality by analyzing and enhancing every frame
  • New AI button, voice controls, drag and drop functions on the AI Magic Remote

    ①The LG OLED Display is certified by Intertek for 100% Colour Fidelity, measured according to the CIE DE2000 standard with 125 colour patterns.

    ②100% Colour Volume is defined as the performance of display which is equal or greater than the size of DCI-P3 standard colour volume as verified independently by Intertek.
More

SUMMARY

Print

DIMENSIONS

Dimension view of LG OLED AI B5 4K 77-inch, 1719×1057×319 mm, panel 50.9 mm, VESA 300x200.

Key Spec

  • Display Type

    4K OLED

  • Refresh Rate

    120Hz Native

  • Wide Color Gamut

    OLED Color

  • Picture Processor

    α8 AI Processor 4K Gen2

  • HDR (High Dynamic Range)

    Dolby Vision / HDR10 / HLG

  • G-Sync Compatible (Nvidia)

    Yes

  • FreeSync Compatible (AMD)

    Yes

  • Audio Output

    20W

  • Speaker System

    2.0 channel

  • Dolby Atmos

    Yes

  • TV Dimensions without Stand (WxHxD)

    1719 x 989 x 50.9

  • TV Weight without Stand

    22.9

All Spec

DIMENSIONS AND WEIGHTS

  • TV Weight with Stand

    23.5

  • Packaging Dimensions (WxHxD)

    1839 x 1130 x 200

  • Packaging Weight (Overseas)

    33.5

  • TV Dimensions without Stand (WxHxD)

    1719 x 989 x 50.9

  • TV Dimensions with Stand (WxHxD)

    1719 x 1057 x 319

  • TV Stand (WxD)

    1403 x 319

  • TV Weight without Stand

    22.9

  • VESA Mounting (WxH)

    300 x 200

AUDIO

  • AI Sound

    α8 AI Sound Pro (Virtual 9.1.2 Up-mix)

  • Audio Output

    20W

  • Speaker System

    2.0 channel

  • Speaker Direction

    Down Firing

  • Dolby Atmos

    Yes

  • Clear Voice Pro

    Yes (Auto Volume Leveling)

  • AI Acoustic Tuning

    Yes

  • WiSA Ready

    Yes (Up to 2.1 Channel)

  • LG Sound Sync

    Yes

  • Sound Mode Share

    Yes

  • Simultaneous Audio Output

    Yes

  • Bluetooth Surround Ready

    Yes (2 Way Playback)

  • Audio Codec

    AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual)

  • WOW Orchestra

    Yes

ACCESSIBILITY

  • Gray Scale

    Yes

  • High Contrast

    Yes

  • Invert Colors

    Yes

PICTURE (PROCESSING)

  • AI Upscaling

    α8 AI Super Upscaling 4K

  • Picture Processor

    α8 AI Processor 4K Gen2

  • AI Genre Selection

    Yes (SDR/HDR)

  • AI Brightness Control

    Yes

  • HDR (High Dynamic Range)

    Dolby Vision / HDR10 / HLG

  • FILMMAKER MODE™

    Yes

  • HFR (High Frame Rate)

    4K 120 fps (HDMI)

  • Dynamic Tone Mapping

    Yes (Dynamic Tone Mapping Pro)

  • Dimming Technology

    Pixel Dimming

  • Motion

    OLED Motion

  • Picture Mode

    10 modes

  • Auto Calibration

    Yes

  • AI Picture Pro

    Yes

  • QMS (Quick Media Switching)

    Yes

CONNECTIVITY

  • Bluetooth Support

    Yes (v 5.3)

  • HDMI Input

    4ea (supports 4K 120Hz, eARC, VRR, ALLM, QMS (4 port))

  • Simplink (HDMI CEC)

    Yes

  • HDMI Audio Return Channel

    eARC (HDMI 3)

  • USB Input

    2ea (v 2.0)

  • Wi-Fi

    Yes (Wi-Fi 6E)

  • Ethernet Input

    1ea

  • RF Input (Antenna/Cable)

    1ea

  • SPDIF (Optical Digital Audio Out)

    1ea

GAMING

  • Game Optimizer

    Yes (Game Dashboard)

  • G-Sync Compatible (Nvidia)

    Yes

  • FreeSync Compatible (AMD)

    Yes

  • HGIG Mode

    Yes

  • ALLM (Auto Low Latency Mode)

    Yes

  • Response Time

    Less than 0.1ms

  • Dolby Vision for Gaming (4K 120Hz)

    Yes

SMART TV

  • Operating System (OS)

    webOS 25

  • Intelligent Voice Recognition

    Yes

  • Magic Remote Control

    Built-In

  • Smartphone Remote App

    Yes (LG ThinQ)

  • Full Web Browser

    Yes

  • Multi View

    Yes

  • Always Ready

    Yes

  • USB Camera Compatible

    Yes

  • Works with Apple Home

    Yes

  • Yes (LG ThinQ)

    Yes

  • AI Chatbot

    Yes

  • Voice ID

    Yes

  • Google Home / Hub

    Yes

  • Works with Apple Airplay

    Yes

  • Google Cast

    Yes

BROADCASTING

  • Digital TV Reception

    ATSC1.0 (Terrestrial), QAM (Cable)

  • Analog TV Reception

    Yes

POWER

  • Power Supply (Voltage, Hz)

    AC 120V, 50/60Hz

  • Standby Power Consumption

    Under 0.5W

ACCESSORIES INCLUDED

  • Remote

    Magic Remote MR25

  • Power Cable

    Yes (Attached)

PICTURE (DISPLAY)

  • Display Type

    4K OLED

  • Display Resolution

    4K Ultra HD (3,840 x 2,160)

  • Refresh Rate

    120Hz Native

  • Wide Color Gamut

    OLED Color

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