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LG C6 Series OLED 4K Smart TV vs LG B5 Series OLED 4K TV (2025)

The LG C6 is the stronger TV: a brighter OLED evo panel, the newer α11 Gen3 processor, four full HDMI 2.1 ports and a 165Hz refresh rate make it the better pick for bright rooms and serious gaming. The B5 is the sensible step-down, with the same self-lit OLED blacks, Dolby Vision and 120Hz gaming support, but a dimmer panel and the older α8 processor. Owners rate the C6 higher (4.8 from 166 ratings) than the B5 (4.3 from 18), and the C6's extra brightness and processing are the main reasons to step up.

  • Choose the LG C6 if you watch in a bright room, game at high frame rates, or want the best picture LG's 48-inch OLED line offers.
  • Choose the LG B5 if you mainly watch movies in a dim room and want OLED blacks and Dolby Vision without paying for the brighter evo panel.

Prices

  • LG C6 Series OLED 4K Smart TV: $899.00 at Greentoe (checked today)
  • LG B5 Series OLED 4K TV (2025): $299.99 at Best Buy (checked today)
  • Difference: the LG B5 Series OLED 4K TV (2025) is $599.01 cheaper than the LG C6 Series OLED 4K Smart TV today
LG
48" Class OLED 4K HDR C6 Series Smart TV

LG C6 Series OLED 4K Smart TV

48" Class OLED 4K HDR C6 Series Smart TV

4.8(166 ratings)
$899.00at GreentoeObserved at 12:09 PM
See all prices and details
Visit Greentoe
Pros
  • Brighter OLED evo panel holds up better in lit rooms
  • α11 Gen3 processor improves upscaling and motion
  • 165Hz refresh suits high-frame-rate PC and console gaming
  • Four HDMI 2.1 ports cover consoles, PC and soundbar
  • High owner rating and praise for picture and easy setup
Cons
  • Heavier set, owners note the weight
  • No ATSC 3.0 tuner
  • Costs more than the B5 for the same screen size
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 BuyVerified
See all prices and details
Visit Best Buy

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

Pros
  • Same OLED perfect blacks and Dolby Vision as the C6
  • 120Hz with G-Sync, FreeSync Premium and VRR for gaming
  • Four HDMI 2.1 inputs
  • Dolby Atmos and FILMMAKER MODE
  • Simpler, cheaper entry into LG OLED
Cons
  • Dimmer panel, weaker in bright rooms
  • Older α8 processor and webOS 25
  • Lower owner rating from a small sample

What separates them

LG C6 Series OLED 4K Smart TVLG B5 Series OLED 4K TV (2025)
Panel brightnessOLED evo with Brightness Booster Pro, up to 3.2x brighterStandard OLED panel, no brightness booster
Processorα11 AI Processor Gen3 with Dual AI Engineα8 AI Processor
Refresh rateUp to 165Hz120Hz native
HDMI4x HDMI 2.14x HDMI 2.1
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
Smart platformwebOS 26 with Google Gemini and Microsoft Copilot built inwebOS 25 with Quick Cards and LG Channels
Gaming featuresG-Sync, FreeSync Premium, VRR, 0.1ms responseG-Sync, FreeSync Premium, VRR, Game Optimizer
Owner rating4.8 out of 5 from 166 ratings4.3 out of 5 from 18 ratings

Price history

$1,099.99$299.99
Oct 30Nov 9
  • LG C6 Series OLED 4K Smart TV: lowest $899.00 on Nov 9 at Greentoe.
  • LG B5 Series OLED 4K TV (2025): lowest $299.99 on Nov 7 at Best Buy; $299.99 on Nov 9.

Prices at every store

LG C6 Series OLED 4K Smart TV

  • GreentoeNew

    In stock

    $899.00Free shippingObserved at 12:09 PM
    Visit Greentoe
  • Best BuyNew

    In stock

    $999.99Free shippingObserved at 3:37 AM
    Visit Best Buy
  • Abt Electronics & AppliancesNew

    In stock

    $999.99Free shippingObserved at 3:37 AM
    Visit Abt Electronics & Appliances
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $999.99Free shippingObserved at 8:33 AM
    Visit Amazon

Also available at

  • BrandsMart USACheck price at BrandsMart USA
  • DoorDashCheck price at DoorDash
  • BrandsMart USACheck price at BrandsMart USA
All 15 stores and price history →

LG B5 Series OLED 4K TV (2025)

  • Best BuyNew

    In stock

    $299.99Free shippingVerified
    Visit Best Buy
  • NeweggNew

    In stock

    $899.99Free shippingVerified
    Visit Newegg
  • mercari.comNew

    Availability unknown

    $575.00Observed Nov 8, 2026, 4:43 PM
    Visit mercari.com
  • DoorDashNew

    Availability unknownSold by Best Buy US

    $649.99Observed Nov 8, 2026, 4:43 PM
    Visit DoorDash

Also available at

  • WalmartCheck price at Walmart

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

All 10 stores and price history →

Specs compared

SpecLG C6 Series OLED 4K Smart TVLG B5 Series OLED 4K TV (2025)
HDMI ports4x HDMI 2.14 HDMI ports
Resolution3,840 x 2,160p4K UHD
Refresh rate165Hz120 Hz
High DefinitionYesYes
HDTV Format4K4K
ColorBlackBlack
Screen FormFlatFlat
Display TypeOLEDOLED
Assistant SupportSiriGoogle Assistant, Amazon Alexa
HDRYesYes
ConnectivityBluetooth, Wi-Fi, USB, HDMI, Optical AudioBluetooth, Wi-Fi, RF, USB, HDMI, VGA, Ethernet,…
Screen Size48 inches, 55 inches, 65 inches, 77 inches, 83 …48 in
Show all 40 specsShow fewer specs
SpecLG C6 Series OLED 4K Smart TVLG B5 Series OLED 4K TV (2025)
Weight66 lb25.4 lb, 31.5 lb, 58.9 lb
Supported Streaming ServicesNetflix, YouTubeNetflix, Prime Video, YouTube, HBO, Disney+
Width57.1 in wide42.1 in wide
Depth1.9 in deep1.8 in deep
Screen Size Class65 inches48 inches
High Dynamic Range (HDR)truetrue
High Dynamic Range FormatDolby Vision, HDR 10, Hybrid Log-Gamma (HLG)Dolby Vision, HDR10, HLG
OLED TechnologyOLED EVOStandard OLED
Motion Enhancement Technology

What reviewers say

LG C6 Series OLED 4K Smart TV

  • 4.8 / 5166 ratings

Owners rate the C6 highly, at 4.8 out of 5 from 166 ratings, and most praise the picture, blacks and gaming features. Complaints center on brightness in very bright rooms and the price at larger sizes.

What people mention
  • Picture qualityPraisedOwners call the contrast and color the main reason to buy.
  • BrightnessMixedBrightness Booster Pro helps, but some find it dim in a bright room.
  • GamingPraisedThe 120Hz panel and four HDMI 2.1 ports draw praise from console players.
  • SetupPraisedwebOS and the included remote make first-time setup quick.

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.
  • SoundMixed
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

Questions and answers

Which is better for a bright living room?
The C6. Its OLED evo panel with Brightness Booster Pro is rated up to 3.2x brighter, so highlights and reflections hold up better. The B5 is better suited to a dim or controlled-light room.
Is the C6 worth stepping up to over the B5?
Yes for gamers and bright-room viewers. The C6 adds a 165Hz refresh rate, the α11 Gen3 processor and a brighter panel. If you mostly watch movies in a dark room, the B5 covers the basics.
Which is better for gaming?
Both have four HDMI 2.1 ports, VRR, G-Sync and FreeSync Premium. The C6 goes further with a 165Hz refresh rate and 0.1ms response, so it suits high-frame-rate PC play better.
Do both support Dolby Vision and Dolby Atmos?
Yes. Both handle Dolby Vision, HDR10 and HLG, and both support Dolby Atmos sound. Picture brightness and processing are where they differ.
Which lasts longer?
Both use self-lit OLED panels with similar lifespans. The C6 adds OLED Care to help protect the display over time. Neither has a clear durability edge in owner reports.
Do both have the same smart TV software?
No. The C6 runs webOS 26 with Google Gemini and Microsoft Copilot built in. The B5 runs webOS 25 with Quick Cards and LG Channels.

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OLED Motion
OLED Motion
Smart PlatformwebOSwebOS
Number of HDMI Inputs (Total)44
TV Tuner TypeATSC, Clear QAMATSC, Clear QAM
Works WithGoogle Home, Apple HomeAmazon Alexa, Google Home, Apple Home
Voice Assistant Built-inOtherAmazon Alexa
BrandLGLG
Model NumberOLED65C6PUAOLED48B5PUA
SeriesOLED evo - C6 seriesOLED - B5 series
Model Year20262025
Product Height With Stand34.6 inches26.9 inches
Product Width56.7 inches42.1 inches
Product Depth With Stand9.1 inches9.3 inches
Product Height Without Stand32.5 inches24.4 inches
Product Depth Without Stand1.8 inches1.8 inches
Stand Width18.5 inches36.7 inches
Smart TVtrueYes
Screen sizes42", 48", 55", 65"—
HDR formatsDolby Vision, HDR10, HLG—
Smart TV softwarewebOS 26—
Dolby Atmos is supported, but built-in speakers are described as ordinary.
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