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LG - 55" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025)

Model: OLED55B5PUA
SKU: 6635751
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Highlights

  • Key Specs
    • Display Type: OLED
    • Resolution: 4K (2160p) (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
    • Screen Size Class: 55 inches (The group size measurement of a screen. This differs from a screen size measured diagonally from corner to corner.)
    • High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
    • High Dynamic Range Format: Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
    • OLED Technology: Standard OLED
    • Refresh Rate: 120Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
    • Motion Enhancement Technology: OLED Motion (Proprietary technologies produced in addition to the Refresh Rate that smooth out faster moving pictures to reduce blur and pixelation.)
    • Specific Manufacturer Technologies: Alpha 8 AI Processor Gen 2 (This is technology that's specific to a TV brand (sometimes called proprietary technology). Here you'll see terms related to picture quality, brightness, processors and more.)
    • Smart Platform: webOS (Just like a computer, a smart TV needs an operating system (also called a smart platform) in order to access the Internet, connect with entertainment apps, and play streaming content. Some common TV smart platforms are; Roku TV, Android TV, and Chromecast.)
    • Featured Streaming Services: Netflix, Max, Disney+, YouTube, Prime Video, Apple TV+, Sling TV (Streaming services and other programs are available on this device. Keep in mind, there may be more services supported than just those shown here.)
    • Number of HDMI Inputs (Total): 4
    • TV Tuner Type: ATSC, Clear QAM
    • Works With: Amazon Alexa, Google Home, Apple Home (Compatible with or able to be connected to other smart devices or applications.)
    • Voice Assistant Built-in: Amazon Alexa (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
  • General
    • Brand: LG
    • Model Number: OLED55B5PUA
    • Product Name: 55" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025)
    • Series: OLED - B5 series (Part of a group of the same product type with similar features.)
    • Model Year: 2025
  • Dimensions
    • Product Height With Stand: 30.4 inches
    • Product Width: 48.3 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth With Stand: 9.3 inches
    • Product Height Without Stand: 27.9 inches
    • Product Depth Without Stand: 1.8 inches
    • Product Weight With Stand: 32 pounds
    • Product Weight Without Stand: 31.5 pounds
    • Stand Width: 41.6 inches (The horizontal measurement of the stand/base, or the distance from the outside of one leg to the outside of the opposite leg, as it is attached to the product.)
    • Stand Depth: 9.3 inches
    • Adjustable Stand Width: false (Whether the stand can adjust to have more than one measurement either between the legs or the base itself.)
  • Display
    • Display Type: OLED
    • Resolution: 4K (2160p) (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
    • Screen Size: 55 inches (Size of the screen, measured diagonally from corner to corner.)
    • Screen Size Class: 55 inches (The group size measurement of a screen. This differs from a screen size measured diagonally from corner to corner.)
    • High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
    • High Dynamic Range Format: Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
    • Picture Quality Enhancement Technology: Dynamic Tone Mapping Pro
    • OLED Technology: Standard OLED
    • Curved Screen: false
    • Refresh Rate: 120Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
    • Motion Enhancement Technology: OLED Motion (Proprietary technologies produced in addition to the Refresh Rate that smooth out faster moving pictures to reduce blur and pixelation.)
    • Maximum Contrast Ratio (Native): Infinite (The difference between the brightest and the dimmest a screen panel can be. A higher contrast produces more in-depth images.)
    • Synchronization Technology: G-SYNC Compatible (NVIDIA Adaptive Sync), FreeSync (AMD Adaptive Sync) (Generally, these technologies allow syncing between a computer/console game's frame rate and the device's refresh rate for a smoother display without tearing.)
    • Closed Captioning: true (The text version of spoken audio displayed on the screen. Devices that can display closed captioning typically have the option to toggle the feature on or off.)
  • Features
    • Remote Control Type: Magic
    • Specific Manufacturer Technologies: Alpha 8 AI Processor Gen 2 (This is technology that's specific to a TV brand (sometimes called proprietary technology). Here you'll see terms related to picture quality, brightness, processors and more.)
    • Smart Capable: true (Smart, or smart-capable devices are able to connect directly to your home network in order to stream content from the Internet, run Internet-based apps, or connect to other smart devices.)
    • Smart Platform: webOS (Just like a computer, a smart TV needs an operating system (also called a smart platform) in order to access the Internet, connect with entertainment apps, and play streaming content. Some common TV smart platforms are; Roku TV, Android TV, and Chromecast.)
    • Featured Streaming Services: Netflix, Max, Disney+, YouTube, Prime Video, Apple TV+, Sling TV (Streaming services and other programs are available on this device. Keep in mind, there may be more services supported than just those shown here.)
    • Screen Mirroring: true (Casts the screen of one device onto another wirelessly, using a common protocol (typically Bluetooth).)
    • Screen Mirroring Technology: Apple AirPlay 2, Google Cast
    • Content Sharing: Mobile to TV (The device is capable of connecting to another device in order to send or receive streaming content. Share content from your mobile device to your TV or vice versa.)
    • Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
    • Text-To-Speech: true (A system that converts language text into speech.)
    • TV Tuner: Digital (The ATSC TV Tuner is a component built into conventional TV sets or other devices for receiving over-the-air broadcast TV without a cable/satellite box. Digital tuners may be purchased separately and connected to a device if it does not have one built in.)
  • Connectivity
    • Number of HDMI Inputs (Total): 4
    • Display Connector(s): 4 x HDMI (The number and type of connectors used to connect to an external display.)
    • Network Connector(s): 1 x LAN
    • Audio Only Outputs: 1 x Optical digital audio
    • HDMI Audio Return Channel (ARC): eARC
    • Wireless Connectivity: Wi-Fi, Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
    • TV Tuner Type: ATSC, Clear QAM
    • RF Antenna Input: true (This input is used to connect devices such as antennas or cable boxes to a TV via a coaxial cable.)
    • Number Of USB Port(s) (Total): 2 (The total number of USB ports including all generations and versions.)
    • Wireless Networking Standard: Wi-Fi 6E (The wireless networking standard used by the device. Each iteration of the standard developed by the Wi-Fi Alliance corresponds to an existing IEEE 802.11 protocol; for example, standard 802.11ac (or AC) is termed Wi-Fi 5. Refers specifically to the standard the device is designed to use, but ultimately determines product interoperability and backward compatibility including previous versions.)
    • Bluetooth Version: 5.3 (The Bluetooth specification formalized by the Bluetooth Special Interest Group. All versions of the Bluetooth standard are backwards compatible with previous versions.)
    • Headphone Jack: false (The device features an interface that allows for the connection of headphones.)
  • Compatibility
    • VESA Wall Mount Standard: 300mm x 200mm (VESA wall mount standards refer to the spacing of screw holes built into a TV in order to fit with standard TV wall mounts. These standards are implemented into most TVs and monitors.)
    • Works With: Amazon Alexa, Google Home, Apple Home (Compatible with or able to be connected to other smart devices or applications.)
    • Voice Assistant Built-in: Amazon Alexa (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
  • Audio
    • Built-In Speakers: true
    • Built-in Speaker Type: Downward firing (Backward, downward, and front-firing speakers direct sound into the room from those respective directions. A soundbar is typically long and rectangular, and designed to act as an all-in-one speaker with greater sound production than that of a TV alone. An acoustic surface is the result of small sound actuators embedded directly behind the screen, turning the entire screen's surface into a speaker.)
    • Surround Sound Supported: Dolby Atmos (Surround sound systems use multiple audio channels and speakers to create an immersive sound experience for the listener. There are also various proprietary technologies that imitate this kind of sound via a device's built-in speakers or soundbar.)
    • Number of Audio Channels: 2.0 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
  • Power
    • ENERGY STAR Certified: true (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
    • EPEAT Qualified: false (The Electronic Product Environmental Assessment Tool (EPEAT) was designed to provide an environmental assessment tool for purchasers. In order to qualify for EPEAT, a product must meet all 23 required criteria.)
    • Estimated Annual Operating Cost: 33 United States dollars (Predicted cost of operating the product under average conditions for one year.)
    • Estimated Annual Electricity Use: 205 kilowatt hours (Predicted amount of electricity needed to operate the product under average conditions for one year.)
  • Included
    • Wall Mount Included: false
    • Stand Included: true
  • Warranty
    • Warranty - Parts: 1 year limited
    • Warranty - Labor: 1 year limited
  • Box Dimension
    • Height: 31.9 inches
    • Width: 53.5 inches
    • Depth: 6.8 inches
    • CubicDimension: 11605 inches
  • Other
    • UPC: 195174106037

The LG OLED B5 is a premium watching experience that offers more than meets the eye. You'll be able to keep pace with the action with a native 120Hz refresh rate for smoother movement whether you're gaming or watching sports. Entertainment extras like Dolby Vision,* Dolby Atmos¹ and FILMMAKER MODE give you the big-picture experience straight from your couch. Enjoy outstanding picture powered by the α8 AI Processor, which uses AI to detect what you're watching and automatically improves the picture and sound quality of whatever you're watching. Search less and stream more, thanks to the next generation of AI technology from LG webOS 25. With Quick Cards, group your favorite apps into categories and even have instant access to over 300 free channels with LG Channels.² All LG OLED TVs have NVIDIA G-Sync, AMD FreeSync Premium and VRR to further improve gaming quality. And four HDMI 2.1 inputs allow you to plug in all the devices you need for the win. Whether you game on consoles or on the cloud,³ the LG Game Dashboard and Game Optimizer put all the control at your fingertips.

  • Alpha 8 AI Processor Gen2: Alpha 8 AI Processor Gen2 detects what you're watching and automatically improves the picture and sound quality
  • Perfect Black & Perfect Color: Over 8.3 million self-lit smart pixels with Perfect Black and Perfect Color technology.
  • Dolby Vision, Dolby Atmos & FILMMAKER MODE: Enjoy movie magic from home with Dolby Vision, Dolby Atmos¹ & FILMMAKER MODE
  • Ultimate Game Play: Packed with gaming features like NVIDIA G-Sync and 120Hz refresh rate
  • AI webOS, LG Channels, webOS & Re:New: LG’s Award winning Smart TV platform powered by webOS. Get access to apps & view over 300 free LG Channels. Plus get up to 5 years of software updates with webOS Re:New.⁴
  • Personalized Picture / Sound Wizard: The Personalized Picture & Sound Wizard uses AI technology to analyze your favorite images and sound clips to create a personalized picture and audio experiences tailored for you.
Whats Included
  • OLED55B5PUA
  • Magic Remote (MR25)
  • Remote Control Batteries (AAA x 2)
  • Power Cable (attached)
  • Quick Start Guide
  • e-Manual
Product Manuals
Documents
  • Energy_Guide_PDF
Disclaimers
  • ¹Dolby, Dolby Vision, Dolby Atmos, and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation. Manufactured under license from Dolby Laboratories. Confidential unpublished works. Copyright © 2012–2024 Dolby Laboratories. All rights reserved.
  • ²Internet connection and subscriptions to streaming services are required; number of LG Channels subject to change.
  • ³Subscription and compatible gaming controller are required.
  • ⁴Internet connection and subscriptions to streaming services are required; number of LG Channels subject to change. Software update will automatically download. Consumers who disable “auto-update” will receive a pop-up notification to accept or deny software update.
  • Web-based services and content require high-speed Internet service. Some services may require a subscription.

Q: What is the difference between a B5 vs C5 model?

A: The main differences are that the LG C5 is brighter and has more advanced processing with an Alpha 9 Gen 8 processor, while the B5 has a less powerful Alpha 8 Gen 2 processor, making it a more budget-friendly option. This means the C5 will have better picture quality, especially with HDR content, and a higher 144Hz refresh rate for PC gaming, whereas the B5's 120Hz refresh rate is still excellent for most console gaming. You can watch this video to see a side-by-side comparison of the LG C5 and B5 TVs: https://youtu.be/WskGB1PNQ5w?si=0ytx-btBnnZnx_DR THAT SAID, I'm not a gamer so that refresh rate doesn't mean anything to me and the B% picture is lovely. I think you can only tell a difference if they're side by side. And I don't see much difference even then.

Q: Can 2 sets of bluetooth headphones be paired to this TV for simultaneous listening?

A: Depending on the Bluetooth headphones/earbuds you pair with the LG 55" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025), Model # OLED55B5PUA, you can pair two of the same model. If two different Bluetooth headphones are connected and used simultaneously, the voice may not match...^Ivan.

Q: when connected to a pc, does it still have dimming issue like the c1? thank you

A: Hello there. Thank you for sharing your inquiry with us. We understand your question regarding the potential for dimming when the LG OLED B5 series (OLED55B5PUA) is connected to a PC, similar to what you may have heard about the C1 model. The dimming you are referring to is typically related to two features present in most OLED TVs: ABL (Automatic Brightness Limiter): This is a hardware protection feature that manages power and heat by dimming the entire screen when a large portion of it is very bright (high Average Picture Level). ABL cannot be disabled through standard user menus as it is essential for the panel's safety. ASBL (Auto Static Brightness Limiter) / TPC (Temporal Peak Luminance Control): This is a feature designed to prevent image retention (burn-in) by automatically dimming the screen after a few minutes if it detects a static image, such as a desktop with unmoving elements. While ABL is an inherent safety function of OLED technology and will be present, the implementation and aggressiveness of ASBL has been improved across generations of our OLED TVs, which helps to minimize the noticeable dimming effect during PC use compared to older models. For PC and console users, the OLED55B5PUA includes features like the Game Optimizer and dedicated Game/PC modes which are designed to enhance your experience by automatically applying settings to reduce input lag and optimize picture quality for a computing environment. https://www.bestbuy.com/product/lg-55-class-b5-series-oled-ai-4k-uhd-smart-webos-tv-2025/JJ8VPZTKH9 If you have any further questions about optimizing your settings for PC use on the OLED55B5PUA, please send us a private message on Social Media @LGUSSupport, and our team will be more than happy to assist you. —Renzo

Q: How do you correct the volume on the LGOLEDB5 it’s too high on some stations and too low on others also, how do you correct the brightness on the movies?

A: Like any other TV, the LG 55" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025) Model # OLED55B5PUA, has a settings menu where you can find settings for Brightness, Color, or Clarity, and in the settings you will find Panel Brightness that controls the level of screen brightness by adjusting the backlight, and the OLED Pixel Brightness that adjusts the display brightness by varying the brightness of the OLED panel. Depending on the Energy Saving (Auto/Maximum), you may not be able to adjust the OLED Pixel Brightness. In this case, navigate to Settings > All Settings > General > Energy Saving > Energy Saving Step and set it to Off or Minimum. Black Level adjusts the brightness of dark areas of the screen. The closer it is to 100, the lighter the screen becomes. Auto Dynamic Contrast corrects the difference between the bright and dark areas of the screen for optimal results, depending on the brightness of the picture. When Dynamic Tone Mapping is set to On, is suitable for contrast settings based on the image brightness of the HDR content. You will also find other settings like Peak Brightness, Expression Enhancer, and Auto Dynamic Contrast, In the Sound settings on the TV, the Automatic Volume Adjustment, when set to On, will automatically adjust the volume to a suitable level for each content you watch to help you enjoy watching more comfortably. This setting only applies to internal speakers of the device or LG Soundbars that support the TV Sound Mode Share. Keep in mind that there is a Commercial Advertisement Loudness Mitigation (CALM) Act, where the FCC's regulations for volume control in commercials are primarily governed by the Commercial Advertisement Loudness Mitigation (CALM) Act. This act requires that TV commercials be broadcast at a volume level consistent with the program material they accompany. The CALM Act mandates that all "multichannel video programming" distributors implement the Advanced Television Systems Committee's (ATSC) A/85 Recommended Practice to measure and control the audio loudness of digital programming, including commercials. The CALM Act applies to TV commercials and does not extend to radio commercials or those aired on the internet or via streaming services. It is important to note that the CALM Act does not address loudness differences between programs or channels on a given station or MVPD, focusing solely on the differences between commercials and the programs they accompany. The enforcement of the CALM Act relies on consumer complaints, with the FCC focusing on patterns or trends of complaints rather than individual complaints...^Ivan.

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Pros for LG - 55" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025)
There were no pros for this productPicture QualityPicture Quality, Setup, Size, ConnectivityPicture Quality, Brightness, Black Levels, TV Quality, Ease of use
Cons for LG - 55" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025)
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The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    I love it

    I love this tv, I was skeptical at first cause I don’t need all extra stuff on my tv I just wanted to replace a tv that was broken. The sales worker explained this would be the best fit for me and I have no complaints!

    Posted by AkhiaP

  • Rated 5 out of 5 stars

    LG TV

    Very helpful staff! TV is amazing. I am using it for mostly gaming. Everything has been fantastic with this TV. Lots of contrast, brightness, and customization.

    Posted by user850893

  • Rated 5 out of 5 stars

    Very Nice

    Nice television. I have a Roku which I like just fine, and I don't watch television every day, but I thought I'd spring$ for a newer, better quality TV and set up some cozy movie nights with popcorn this winter. The Roku was much easier to set up, I'm still figuring out the LG OLED, but I like it. 55 inches is good for me. It has a nice clear picture, where you can more clearly see nice outfits and car details and it shows wrinkles on a person's hand or a mole on their face. lol Makes it more realistic. Also, background scenery such as grass, trees, snow and such show beautiful clarity. Sound is fine, but I will get a soundbar to enhance the sound, when I figure out a good one for a good price

    Posted by Deee

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