LG
LG OLED77B3PUA B3 Series - 77-Inch 4K OLED Smart TV
★★★★★
4KHDMI 2.1
Immerse Yourself in Lifelike DetailThe LG B3 Series 77-Inch Class OLED Smart TV delivers unparalleled picture quality with self-lit OLED pixels for perfect blacks and incredible colors. Powered by the a7 AI Processor Gen6, it offers AI-enhanced picture and sound, along with a 120Hz refresh rate f...
$1,632.95*$2,296.99Save 28%
Check availability
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Immerse Yourself in Lifelike Detail
The LG B3 Series 77-Inch Class OLED Smart TV delivers unparalleled picture quality with self-lit OLED pixels for perfect blacks and incredible colors. Powered by the a7 AI Processor Gen6, it offers AI-enhanced picture and sound, along with a 120Hz refresh rate for smooth motion. Experience the ultimate home theater and gaming experience with advanced features and seamless smart functionality.
Specifications:- Brand Name: LG
- Item Weight: 66.1 pounds
- Product Dimensions: 10.6 x 67.8 x 41.1 inches
- Item model number: OLED77B3PUA
- Color Name: Black
- Special Features: AI Picture, AI Upscaling, FILMMAKER MODE, Picture Processor, Dolby Vision, Dynamic Tone Mapping, Dimming Technology, HDR (High Dynamic Range)
- Speaker Type: Built-In
- Standing screen display size: 77 Inches
- Aspect Ratio: 169
- Voltage: 120 Volts
- Screen Size: 77 Inches
- Display Technology: OLED
- Resolution: 4K
- Refresh Rate: 120
- Included Components: Remote Control Battery (AA x 2EA), Power Cable, Magic Remote, Quick Start Guide
- Connectivity Technology: Bluetooth, Wi-Fi, USB, Ethernet, HDMI
Key Features
SELF-LIT OLED 4K: LG OLED has over 8.3 million self-lit pixels that turn on and off individually for perfect black and incredible colors, with contrast you can't get from anywhere else but OLED. Take in the action with a native 120Hz refresh rate for smooth, lifelike movement whether you love sports, movies, games or all of the above.
a7 AI PROCESSOR Gen6: Enjoy outstanding picture powered by the α7 AI Processor Gen6, which uses AI to detect what you're watching and automatically improves the picture and sound quality. Experience everything from movies to sports in vibrant color and incredible depth for an immersive viewing experience.
webOS 23 & LG CHANNELS: Less searching, more streaming, thanks to the next generation of AI technology. Enjoy your favorite content including fitness, sports, entertainment and more. With Quick Cards, group your favorite apps into categories and use the Magic Remote to easily find what you're looking for. Get instant access to over 300 free channels with LG Channels.*
DOLBY VISION + HOME THEATER: Experience the magic of the big screen right from your couch. Every LG OLED comes loaded with Dolby Vision for extraordinary color, contrast and brightness, plus Dolby Atmos* for wrap-around sound. Land in the center of the action with LG's FILMMAKER MODE, allowing you to see films just as the director intended.
ULTIMATE GAMEPLAY: Packed with gaming features, the LG OLED B3 comes with everything you need to win. Experience crisp, smooth imagery from a 0.1ms response time and native 120Hz refresh rate. All LG OLED TVs have NVIDIA G-Sync, AMD FreeSync Premium and VRR to further improve gaming quality. Four HDMI 2.1 inputs allow you to plug in all the devices you need. Whether you game on consoles or on the cloud,* the LG Game Dashboard and Game Optimizer put all the control at your fingertips.
Specifications
Display Technology
SELF-LIT OLED 4K
Screen Size
77-Inch
Refresh Rate
Native 120Hz
Processor
a7 AI PROCESSOR Gen6
Smart TV Platform
webOS 23
HDR Support
Dolby Vision
Audio Technology
Dolby Atmos
Gaming Features
NVIDIA G-Sync, AMD FreeSync Premium, VRR, 0.1ms response time
HDMI Inputs
4 x HDMI 2.1
Special Modes
FILMMAKER MODE, Game Dashboard, Game Optimizer
Included Channels
Over 300 free channels with LG Channels
Pros & Cons
👍 Pros
- Features self-lit OLED 4K pixels that turn on and off individually, delivering perfect black and incredible colors with superior contrast.
- Offers a native 120Hz refresh rate for smooth, lifelike movement, ideal for sports, movies, and gaming.
- Powered by the a7 AI Processor Gen6, which uses AI to automatically enhance picture and sound quality based on content.
- Supports Dolby Vision for extraordinary color, contrast, and brightness, and Dolby Atmos for immersive wrap-around sound.
- Equipped with four HDMI 2.1 inputs and gaming features like NVIDIA G-Sync, AMD FreeSync Premium, and VRR for an ultimate gameplay experience.
👎 Cons
- The "perfect black" and "incredible colors" are specific to OLED technology and might involve higher pricing compared to other display types.
- While boasting an a7 AI Processor Gen6, the extent of the AI enhancements may vary based on content quality and user perception.
- The webOS 23 interface, while offering quick cards and LG Channels, may still have a learning curve for new users or those preferring other smart TV platforms.
- Dolby Atmos requires compatible audio systems or soundbars for its full effect, which may not be included.
- Cloud gaming capabilities, while mentioned, typically require subscriptions to external services and a stable internet connection.
Frequently Asked Questions
What kind of display technology does the LG OLED77B3PUA TV use?
The LG OLED77B3PUA B3 Series TV features SELF-LIT OLED 4K technology, meaning over 8.3 million self-lit pixels turn on and off individually for perfect black and incredible contrast.
What is the refresh rate of this LG OLED TV?
This TV boasts a native 120Hz refresh rate, providing smooth and lifelike motion for all types of content, including fast-paced sports and games.
Does the TV enhance picture and sound automatically?
Yes, it is powered by the α7 AI Processor Gen6, which uses artificial intelligence to automatically detect and improve picture and sound quality.
Is this television good for gaming?
Absolutely, the LG OLED B3 is packed with gaming features including a 0.1ms response time, native 120Hz refresh rate, NVIDIA G-Sync, AMD FreeSync Premium, VRR, and four HDMI 2.1 inputs.
What smart TV platform does the LG OLED77B3PUA use?
It operates on webOS 23, offering a next-generation AI technology for streaming, with features like Quick Cards and access to over 300 free LG Channels.
Does this TV support advanced audio and video formats?
Yes, it supports Dolby Vision for extraordinary color, contrast, and brightness, and Dolby Atmos for immersive wrap-around sound, along with LG's FILMMAKER MODE.
Related Products
