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LG 77 inch LG OLED AI TV B5 120Hz Dolby Vision & HDR10 4K UHD (2025)

Immerse yourself in perfect blacks, vibrant OLED colors, and cinematic clarity with the 77-inch LG OLED77B5PSA. Powered by the α8 AI Processor and Dolby Vision, it's the ultimate home entertainment upgrade. Available now on LG Subscribe™ Malaysia.

  • The next generation of LG AI TV with Alpha 8 AI Processor Gen2
  • True black levels in every pixel create stunning contrast, depth, and detail
  • 100% Color Fidelity for accurate lifelike colors. 100% Color Volume for richer hues
  • 4 years of upgrades guaranteed over 5 years with webOS Re:New Program
  • New AI button, voice controls, drag and drop functions on the AI Magic Remote
  • Dolby Atmos® for immersive sound and incredibly lifelike graphics of Dolby Vision®
5 YearsMost Popular
RM280/mth
Warranty Service
RM280/month for the first 9 months, then RM560/month.

See the Details of Every Light and Dark

See the Details of Every Light and Dark

The smarter and faster alpha 8 AI Processor Gen2 from a decade of innovation

Our processor’s AI engine is capable of recognizing content by genre. Based on this information, it provides the most optimal picture quality settings to deliver better depth and detail.

The smarter and faster alpha 8 AI Processor Gen2 from a decade of innovation

Perfect Black even in bright or dark spaces

Perfect Black is UL-verified and delivers true black levels to enhance perceived brightness and contrast, whether it's bright or dark around you.

Perfect Black even in bright or dark spaces

Perfect Color

100% Color Volume and 100% Color Fidelity certified. Enjoy accurate, vibrant colors even in sunlight or dark environments.

Perfect Color

AI Picture Pro brings every frame to life

AI Super Upscaling and OLED Dynamic Tone Mapping analyze each frame's elements to enhance resolution, brightness, depth, and clarity.

Complete your AI experience with AI Magic Remote featuring a dedicated AI button

Control your TV easily with AI magic remote — no extra device needed! With a motion sensor and scroll wheel, point and click to use it like an air mouse or simply speak for voice commands.

All-encompassing surround sound with virtual 9.1.2 channels

Get the surround sound experience with just your LG TV. AI uses deep learning algorithms to make it feel as if sound is coming from 9.1.2 channels all around you.

All-encompassing surround sound with virtual 9.1.2 channels

Dynamic Sound Booster powered by AI Processor

AI processing enhances TV sound for a more powerful sound experience.

Dynamic Sound Booster powered by AI Processor

AI Clear Sound

Precision tone correction enhances sound clarity for an exceptional audio experience.

AI Clear Sound

WOW Interface lets you control sound easier from your TV

WOW Interface lets you control sound easier from your TV

Slim Design

Add a modern touch with a sleek design that blends into your space gracefully.

Slim Design

Ultimate Gameplay

Experience peak gaming with G-Sync compatibility, 0.1ms Pixel Response Time, and AMD FreeSync Premium. Get your game on without lag or motion blur.

Ultimate Gameplay

Dolby Vision & Ambient FILMMAKER MODE

Experience cinema as the director intended with Dolby Vision and FILMMAKER MODE with Ambient Light Compensation that adapts to surroundings and keeps visuals as close as possible to its original form.

Dolby Vision & Ambient FILMMAKER MODE

See the endless innovation

See the endless innovation

Technical Specifications

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

PICTURE (PROCESSING)

Picture Processor
α8 AI Processor 4K Gen2
AI Upscaling
α8 AI Super Upscaling 4K
Dynamic Tone Mapping
Yes (Dynamic Tone Mapping Pro)
AI Genre Selection
Yes (SDR/HDR)
AI Brightness Control
Yes
HDR (High Dynamic Range)
Dolby Vision / HDR10 / HLG
FILMMAKER MODE™
Yes
Dimming Technology
Pixel Dimming
Motion
OLED Motion
Picture Mode
10 modes
HFR (High Frame Rate)
4K 120 fps (HDMI)
AI Picture Pro
Yes
Auto Calibration
Yes
QMS (Quick Media Switching)
Yes

GAMING

G-Sync Compatible (Nvidia)
Yes
FreeSync Compatible (AMD)
Yes
HGIG Mode
Yes
Game Optimizer
Yes (Game Dashboard)
ALLM (Auto Low Latency Mode)
Yes
VRR (Variable Refresh Rate)
Yes (Up to 120Hz)
Dolby Vision for Gaming (4K 120Hz)
Yes
Response Time
Less than 0.1ms

ACCESSIBILITY

High Contrast
Yes
Gray Scale
Yes
Invert Colors
Yes

DIMENSIONS AND WEIGHTS

TV Dimensions without Stand (WxHxD, mm)
1719 x 989 x 50.9
TV Dimensions with Stand (WxHxD, mm)
1719 x 1057 x 319
Packaging Dimensions (WxHxD, mm)
1839 x 1130 x 200
TV Stand (WxD, mm)
1403 x 319
TV Weight without Stand (kg)
22.9
TV Weight with Stand (kg)
23.5
Packaging Weight (kg)
33.5
VESA Mounting (WxH, mm)
300 x 200

AUDIO

Dolby Atmos
Yes
AI Sound
α8 AI Sound Pro (Virtual 9.1.2 Up-mix)
Clear Voice Pro
Yes (Auto Volume Leveling)
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 Output
20W
AI Acoustic Tuning
Yes
Audio Codec
AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual)
Speaker Direction
Down Firing
Speaker System
2.0 channel
WOW Orchestra
Yes

CONNECTIVITY

HDMI Audio Return Channel
eARC (HDMI 3)
Bluetooth Support
Yes (v 5.3)
Ethernet Input
1ea
Simplink (HDMI CEC)
Yes
SPDIF (Optical Digital Audio Out)
1ea
HDMI Input
4ea (supports 4K 120Hz, eARC, VRR, ALLM, QMS (4 port))
RF Input (Antenna/Cable)
1ea
USB Input
2ea (v 2.0)
Wi-Fi
Yes (Wi-Fi 6)

SMART TV

Operating System (OS)
webOS 25
USB Camera Compatible
Yes
AI Chatbot
Yes
Always Ready
Yes
Full Web Browser
Yes
Google Cast
Yes
Google Home / Hub
Yes
Home Hub
Yes
Intelligent Voice Recognition
Yes
Magic Remote Control
Built-In
Multi View
Yes
Smartphone Remote App
Yes (LG ThinQ)
Voice ID
Yes
Works with Apple Airplay
Yes
Works with Apple Home
Yes

POWER

Power Supply (Voltage, Hz)
AC 100~240V 50-60Hz
Standby Power Consumption
Under 0.5W

ACCESSORIES INCLUDED

Remote
Magic Remote MR25
Power Cable
Yes (Attached)

BROADCASTING

Analog TV Reception
Yes
Digital TV Reception
DVB-T2/T (Terrestrial), DVB-C (Cable) / ISDB-T (Terrestrial, only Philippines)