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LG 77" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025)

LG 77" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025)

Best price now

$575.00at mercari.comChecked 1 h ago

36% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $575.00 at mercari.com (checked Nov 12, 2026).
  • Checked at 3 stores.

LG 77" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025) prices at every store

  • mercari.comNew

    In stock

    $575.00Checked 1 h ago
    Visit mercari.com
  • Improvemint FinancialNew

    In stockReturn policy

    $3,899.99Checked 1 h ago
    Visit Improvemint Financial
  • eBayNew

    Availability unknown

    $899.99Checked 1 h ago
    Visit eBay

Store links may earn us a commission.

LG 77" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025) price history

Lowest price we've seen: $575.00 on Nov 12 at mercari.com. Tracked across 2 stores since Nov 12.

About the LG 77" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025)

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.

Specifications

Display Type
4K OLEDSource
Display Resolution
4K Ultra HD (3,840 x 2,160)Source
Refresh Rate
120Hz NativeSource
Picture Processor
α8 AI Processor 4K Gen2Source
HDR Support
Dolby Vision / HDR10 / HLGSource
Audio Output
20WSource
Speaker System
2.0 channelSource
Dimensions without Stand
1719 x 989 x 50.9Source
Weight without Stand
22.9Source
HDMI Input
4ea (supports 4K 120Hz, eARC, VRR, ALLM, QMS (4 port))Source
Wi-Fi
Yes (Wi-Fi 6)Source
Operating System
webOS 25Source

Questions and answers

Where is the LG 77" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025) cheapest?
At mercari.com, for $575.00, 36% under what the other stores charge, as of our latest check.
Where can I buy the LG 77" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025)?
3 stores we checked sell it, including Improvemint Financial, mercari.com, eBay.

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