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LG B5 Series OLED 4K TV (2025) vs LG B6 48" OLED TV

The B6 is the better TV of the two. It has the newer α8 Gen3 processor, webOS 26 with Gemini and Copilot, a Magic Remote in the box, and a much stronger owner record (4.6 from 120 ratings versus 4.3 from 18). Both are 48-inch 4K OLEDs at 120Hz with four HDMI 2.1 ports, Dolby Vision, Dolby Atmos and G-Sync/FreeSync, so the gap is generation, not category. Buy the B5 only if you want the proven 2025 set and don't care about the remote or the newer software.

  • Choose the LG B5 if you want a known 2025 OLED and the newer software and remote don't matter to you.
  • Choose the LG B6 if you want the latest processor, webOS 26 with Gemini and Copilot, and a Magic Remote included.

Prices

  • LG B5 Series OLED 4K TV (2025): $299.99 at Best Buy (checked today)
  • LG B6 48" OLED TV: $599.99 at Best Buy (last seen Nov 12)
  • Difference: the LG B5 Series OLED 4K TV (2025) is $300.00 cheaper than the LG B6 48" OLED TV at the latest prices (Nov 12 and Nov 14)
LG
LG OLED48B5P 48 inch Class B5 Series OLED AI 4K Smart webOS TV (2025)

LG B5 Series OLED 4K TV (2025)

LG OLED48B5P 48 inch Class B5 Series OLED AI 4K Smart webOS TV (2025)

4.3(18 ratings)
$299.99at Best BuyChecked 42 min ago
See all prices and details
Visit Best Buy

Store links may earn us a commission. Price via Klarna.

Pros
  • Proven 2025 B-series OLED picture with Perfect Black
  • 120Hz with G-Sync, FreeSync Premium and VRR for consoles
  • Four HDMI 2.1 ports cover a console, PC and soundbar
  • Dolby Vision and Dolby Atmos with FILMMAKER MODE
Cons
  • Older Gen2 processor and webOS 25
  • No Magic Remote in the box
  • Smaller owner sample and lower average rating
  • Fewer free channels than the B6
LG
LG 48" Class B6 OLED AI 4K Smart webOS TV with Perfect Black, Vivid Color and Magic Remote (2026)

LG B6 48" OLED TV

LG 48" Class B6 OLED AI 4K Smart webOS TV with Perfect Black, Vivid Color and Magic Remote (2026)

4.6(120 ratings)
$599.99at Best BuyChecked Nov 12
See all prices and details
Visit Best Buy
Pros
  • Newer α8 Gen3 processor with better upscaling
  • webOS 26 adds Gemini and Copilot voice features
  • Magic Remote included
  • Stronger owner record: 4.6 from 120 ratings
  • OLED Care and Ambient Light Technology
Cons
  • Newer model, so long-term reliability is less proven
  • Same 48-inch panel class as the B5, so no size jump
  • Voice assistant support listed only as Google Assistant in specs

What separates them

LG B5 Series OLED 4K TV (2025)LG B6 48" OLED TV
Processorα8 AI Processor Gen2α8 AI Processor 4K Gen3
Smart platformwebOS 25 with Quick CardswebOS 26 with Google Gemini and Microsoft Copilot
Free channelsOver 300 LG ChannelsOver 400 LG Channels plus 10,000 on-demand movies and shows
Remote in the boxStandard remoteMagic Remote included
Panel and refresh rate48-inch 4K OLED, 120Hz, four HDMI 2.148-inch 4K OLED, 120Hz, four HDMI 2.1
HDR and soundDolby Vision, HDR10, HLG, Dolby Atmos, FILMMAKER MODEDolby Vision, HDR10, HLG, Dolby Atmos, FILMMAKER MODE
Gaming featuresG-Sync, FreeSync Premium, VRR, Game OptimizerG-Sync, FreeSync Premium, VRR, Game Optimizer, 0.1ms response
Owner ratings4.3 from 18 ratings4.6 from 120 ratings

Price history

$899.99$299.99
Oct 30Nov 14
  • LG B5 Series OLED 4K TV (2025): lowest $299.99 on Nov 7 at Best Buy; $299.99 on Nov 14.
  • LG B6 48" OLED TV: lowest $599.99 on Nov 2 at Best Buy; $599.99 on Nov 13.

Prices at every store

LG B5 Series OLED 4K TV (2025)

  • Best BuyNew

    In stock

    $299.99Free shippingChecked 42 min ago
    Visit Best Buy
  • WalmartNew

    In stockSold by Electronic ExpressReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $899.99Free shippingChecked 42 min ago
    Visit Walmart
  • NeweggNew

    In stock

    $899.99Free shippingChecked 42 min ago
    Visit Newegg
  • mercari.comNew

    Availability unknown

    $575.00Checked Nov 8
    Visit mercari.com

Store links may earn us a commission. Some prices via Klarna.

All 14 stores and price history →

LG B6 48" OLED TV

  • Best BuyNew

    In stock

    $599.99Free shippingChecked Nov 13
    Visit Best Buy
  • Best BuyNew

    In stock

    $599.99Free shippingChecked Nov 12
    Visit Best Buy
  • eBayNew

    Availability unknownSold by technosauce56 (0% positive, 0 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $1,199.99+ $71.24 shippingChecked Nov 9
    Visit eBay
  • DoorDashNew

    Availability unknownSold by Best Buy US

    $1,999.99Checked Nov 12
    Visit DoorDash

Store links may earn us a commission. Some prices via Klarna.

All 3 stores and price history →

Specs compared

SpecLG B5 Series OLED 4K TV (2025)LG B6 48" OLED TV
colorBlackBlack
Screen size48 in48 inches
Resolution4K UHD3840 x 2160
Refresh rate120 Hz120 Hz
BrandLGLG
High dynamic range formatDolby Vision, HDR10, HLGDolby Vision, HDR 10, Hybrid Log-Gamma (HLG)
High DefinitionYesYes
HDTV Format4K4K
Screen FormFlatFlat
Display TypeOLEDOLED
Assistant SupportGoogle Assistant, Amazon AlexaGoogle Assistant
HDRYesYes
Show all 40 specsShow fewer specs
SpecLG B5 Series OLED 4K TV (2025)LG B6 48" OLED TV
ConnectivityBluetooth, Wi-Fi, RF, USB, HDMI, VGA, Ethernet,…Bluetooth, Wi-Fi, RF, USB, HDMI, Ethernet
Supported Streaming ServicesNetflix, Prime Video, YouTube, HBO, Disney+Netflix, Prime Video, YouTube, HBO, Disney+
Width42.1 in wide42.1 in wide
Depth1.8 in deep1.8 in deep
HDMI Ports4 HDMI ports4 HDMI ports
Screen Size Class48 inches48 inches
High Dynamic Range (HDR)truetrue
OLED TechnologyStandard OLEDStandard OLED
Motion Enhancement Technology

What reviewers say

LG B5 Series OLED 4K TV (2025)

  • 4.3 / 518 ratings

Buyers rate it 4.3 out of 5 from 18 ratings.

What people mention
  • Picture qualityPraisedOwners highlight the OLED contrast and black levels as the main reason to buy.
  • GamingPraised120Hz, VRR and four HDMI 2.1 ports are called out as strong for consoles.
  • BrightnessCriticisedThe B5 is dimmer than C-series OLEDs, which shows in sunlit rooms.
  • SoundMixedDolby Atmos is supported, but built-in speakers are described as ordinary.

LG B6 48" OLED TV

  • 4.6 / 5120 ratings

Owners of LG's recent B-series OLEDs generally praise the picture, especially black levels and contrast in dark rooms, and find webOS and the Magic Remote easy to live with. Common complaints are peak brightness in bright rooms and the premium over LCD sets of the same size.

What people mention
  • Picture qualityPraisedOwners say OLED blacks and contrast make dark scenes look far better than on LCD sets.
  • BrightnessCriticisedReviewers note the panel cannot match bright LCDs in a sunlit room.
  • GamingPraisedThe 120 Hz panel and low input lag are well received by console players.
  • Smart platformPraised
Reviews
  • You can get an LG B5 OLED for less than $900
  • LG’s 77-inch B5 OLED TV is down to $1,500 and comes with a $200 gift card
  • The LG B5 is a great entry-level OLED TV - especially at 50% off - X
  • Best Buy's Black Friday Sale Just Kicked Off. Its OLED TV Deals Are a Must-See - CNET
  • Best Buy's Black Friday Sale Is Live. Its OLED TV Deals Are Stunning - CNET

Questions and answers

Which is better for gaming, the B5 or the B6?
The B6. Both do 120Hz with G-Sync, FreeSync Premium and VRR across four HDMI 2.1 ports, but the B6 adds a 0.1ms response time claim and the newer Game Dashboard on webOS 26.
Is the B6 worth stepping up to from the B5?
Yes for most shoppers. You get the Gen3 processor, webOS 26 with Gemini and Copilot, more free channels and a Magic Remote. The panel class and port count are the same, so the gain is software and processing.
Which one has the better smart TV system?
The B6. webOS 26 adds Google Gemini and Microsoft Copilot, and it carries over Quick Cards. The B5 runs webOS 25 with the same app layout but no Gemini or Copilot.
Do both support Dolby Vision and Dolby Atmos?
Yes. Both handle Dolby Vision, HDR10 and HLG, and both decode Dolby Atmos. FILMMAKER MODE is on both.
Which lasts longer?
Neither has a clear edge on lifespan. Both are OLED panels with the same care features, though the B6 adds OLED Care. The B6 is newer, so its long-term record is shorter.
Which do owners rate higher?
The B6, at 4.6 from 120 ratings against 4.3 from 18 for the B5. The B5 sample is small, so treat the gap as a lean, not a verdict.

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  • 48" Class OLED 4K HDR C6 Series Smart TV vs LG OLED48B5P 48 inch Class B5 Series OLED AI 4K Smart webOS TV (2025)
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  • LG 55" C6 Series 4K UHD OLED AI Smart webOS 26 TV vs LG OLED48B5P 48 inch Class B5 Series OLED AI 4K Smart webOS TV (2025)
  • LG OLED48B5P 48 inch Class B5 Series OLED AI 4K Smart webOS TV (2025) vs Samsung 48-Inch Class S85H Series OLED 4K Smart TV (2026 Model)
  • LG 48" Class B6 OLED AI 4K Smart webOS TV with Perfect Black, Vivid Color and Magic Remote (2026) vs QE48S90D 48 Inch OLED 4K HDR Smart TV with Anti reflection Screen 2024
  • LG OLED48B5P 48 inch Class B5 Series OLED AI 4K Smart webOS TV (2025) vs Samsung QN48S85HAEXZA Smart TV 48" 4K OLED
  • LG OLED48B5P 48 inch Class B5 Series OLED AI 4K Smart webOS TV (2025) vs LG 65" C6 Series 4K UHD OLED AI Smart webOS 26 TV

Buying guides that pick them

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  • Best 48-inch HDR TVs under $800
OLED Motion
OLED Motion
Smart PlatformwebOSwebOS
Number of HDMI Inputs (Total)44
TV Tuner TypeATSC, Clear QAMATSC, Clear QAM
Works WithAmazon Alexa, Google Home, Apple HomeGoogle Home, Apple Home
Voice Assistant Built-inAmazon AlexaOther
Model NumberOLED48B5PUAOLED48B6GUA
SeriesOLED - B5 seriesOLED - B6 series
Model Year20252026
Product Height With Stand26.9 inches27.1 inches
Product Width42.1 inches42.1 inches
Product Depth With Stand9.3 inches8.6 inches
Product Height Without Stand24.4 inches24.4 inches
Product Depth Without Stand1.8 inches1.8 inches
Stand Width36.7 inches37.2 inches
Weight25.4 lb, 31.5 lb, 58.9 lb25.8 lb
DisplayLED—
Television typeLED TVs—
Smart techY—
Tv featuresHigh Dynamic Range—
webOS and the Magic Remote are described as quick and easy to use.
  • Best 48-inch HDR TVs