LG 77″ OLED B5 AI 4K UHD Smart TV [2025]

Step up to outstanding TV performance
Discover superb colour and brightness, with enhanced contrast and sharpness. Underpinned by the alpha 8 AI Processor Gen 2, powerful 4K upscaling works scene-by-scene to reveal incredible detail and definition.*
*Image quality dependent on source material.

Bring scenes to life, brilliantly
Make each scene a masterpiece. AI Super Upscaling and OLED Dynamic Tone Mapping work together to analyse each frame and enhanced resolution, brightness, depth, and clarity.*
*Image quality dependent on source material. AI Picture Pro may not work with copyright-protected content services.

Revealing detail in the darkness
Unveil mesmerising depth, detail and contrast. With no backlight to dull their brilliance, LG OLED’s self-lit pixels allow black levels to maintain their rich appearance, for stunning images in almost any lighting conditions.

See the full picture, with full-on colour
Enjoy vibrant, accurate colours with verified 100% Colour Volume* for enhanced colour reproduction.
*Colour volume testing is capable of producing results greater than 100%. 100% Colour Volume independently tested in accordance with Intertek Test Specification to the DCI-P3 colour space with D65 white point.

Sync your TV to your voice
Get personalised recommendations, just by asking. AI Voice ID recognises the unique signature of each voice to curate tailored viewing for everyone at home. Just press the remote’s AI Button to get started.*
*Depending on language, voice clarity and available content or source material, voice commands may not always deliver or respond to the requested command.

See it, just the way you like it
Customise your viewing experience, the easy way. Choose your favourite images from the TV’s selection and AI Picture Wizard will analyse your preferences to create your ideal sharpness, contrast, and colour settings.

Hear it, just the way you love it
Enjoy sound, tailored just for you. Choose the audio you like from a selection of sound clips on your TV and let AI Sound Wizard create a customised profile tuned to your preferences.

AI Sound Pro
Stunning virtual 9.1.2-channel surround sound

Hear it crisp and clear
Enjoy an exceptional TV audio experience with upgraded sound clarity from AI-powered tone correction.*
*Must be activated through the Sound Mode menu.

Elegance in simplicity
The epitome of sleek elegance. A minimalist design with narrow bezels helps bring discreet style to your space and keep you fully immersed in the brilliance on screen.
Sound bar pictured not included (sold separately).

Set your sights on victory
Get your game on, with minimal lag and motion blur. A blazingly fast 0.1ms response time, 120Hz VRR, NVIDIA G-Sync and AMD FreeSync Premium come together to create clear, smooth pictures.*
*Ultra High Speed cable, compatible content and Game console or PC Graphics card required for HFR gaming at 40Hz-120hz. G-Sync features require a compatible GPU.

Breathtaking home cinema
Experience cinema as the director intended. By optimising images to surrounding light levels and disabling motion smoothing and sharpness settings, FILMMAKER MODE™ Ambient Light helps preserve the director’s vision. Combined with ultra-vivid images from Dolby Vision*, movies can appear true to their original form.
*Dolby Vision High Dynamic Range content required. FILMMAKER MODE™ Ambient Light is a trademark of UHD Alliance, Inc.

Be swept away by sound
Feel like you’re in the centre of all the action, with lifelike surround sound that moves all around you.*
*Dolby Atmos source content required for full audio effect.

Features

• Enhanced AI picture and sound powered by the alpha 8 AI Processor 4K Gen 2
• Incredibly realistic visuals with Perfect Black & Accurate Colour
• An immersive cinema experience with Dolby Vision & Dolby Atmos1
• webOS smart features, including AI Search, AI Picture Wizard, Google Cast & Apple AirPlay 22
• Advanced gameplay with NVIDIA G-Sync, AMD FreeSync Premium®, XBOX & NVIDIA GeForce Now cloud gaming

1. Dolby Vision High Dynamic Range content required. Dolby Atmos source content required for full audio effect
2. Requires a Wi-Fi network. A subscription service may be required. Services are subject to change. Acceptance of terms and privacy policies is required to use smart features.

Dimensions (without stand)

• Height: 1057 mm
• Width: 1719 mm
• Depth: 319 mm

Dimensions (without stand)

• Height: 989 mm
• Width: 1719 mm
• Depth: 50.9 mm
• Weight: 22.9 kg

Specifications

• TV Category: OLED TVS
• Screen type: OLED TVs
• TV series: LG OLED (2025)
• LG TV model: OLED B5 4K (2025)
• Screen Resolution: 4K Ultra HD
• Screen Size (Inches): 77
• Resolution (Pixels): 3840 x 2160
• Refresh Rate (Hz): 120
• Motion rate: 200
• Variable Refresh Rate (VRR): 4K@120Hz
• Game sync: AMD FreeSync Premium|Nvidia G-Sync
• Gaming performance: Better
• HDR mode: HDR10|HLG
• Contrast ratio: Infinite
• Backlighting type: Self-lighting
• Response Time (ms): 1
• 4K Ultra HD disc compatible: Yes
• 4K streaming compatible: Yes
• Upscaling: 4K Ultra HD
• Noise reduction: Yes
• Movie/cinema Mode (24 FPS): Yes
• NTSC to PAL conversion: Yes
• Dolby Digital: Dolby Atmos
• TV Tuner(s): HD Tuner
• Digital Tuner(s): DVB-T2
• Broadcast decoding: MPEG-4
• Smart TV: Yes
• Smart OS: webOS
• Streaming apps: Netflix|Amazon Prime|Apple TV+|YouTube|Paramount+|Disney+
• HbbTV: Freeview
• Web Browser: Yes
• Smart features: Yes
• Voice control: Yes
• USB Recording: Yes
• PVR Function: Yes
• Record / Pause Live TV: Yes
• USB Playback: Video
• Compatible video files: MKV
• Compatible audio files: AAC
• Compatible picture files: JPEG
• Parental controls: Yes
• EPG (program guide): Yes
• e-Manual: Yes
• Wi-Fi: Wi-Fi 6 (802.11 ax)
• Bluetooth: v5.1
• DLNA: Yes
• Screen Sharing: Yes
• Smart home ecosystem: Google Home|Amazon Alexa|Apple Homekit
• Apple AirPlay 2: Yes
• HDMI-CEC: Yes
• HDMI ARC: Yes (eARC)
• HDMI inputs: 4
• HDMI 2.1 inputs: 4
• USB Ports: 2
• Ethernet / LAN ports: 1
• Digital audio output: Optical (Toslink)
• RF Input: Yes
• Remote control(s): Yes
• Wall mountable: Yes
• Manufacturer’s warranty: 1 Year