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LG C5 55-Inch OLED TV vs LG B6 OLED 65" 4K Smart TV

The B6 is the better pick for most people: 65 inches of OLED for a living room beats 55 inches, and its 120Hz panel with four HDMI 2.1 ports covers consoles and streaming well. The C5 is the stronger set for a bright room or a serious gamer, with the brighter OLED evo panel, 144Hz refresh, anti-glare coating and the Alpha 9 Gen8 processor. Both use self-lit OLED pixels with Dolby Vision and Dolby Atmos, so the gap is size and brightness versus motion and glare handling, not core picture technology.

  • Choose the LG C5 if you sit close, game at high frame rates, or watch in a room with windows and lamps that reflect on the screen.
  • Choose the LG B6 if you want the biggest OLED picture for a typical living room and mostly watch movies, sports and console games at 120Hz.

Prices

  • LG C5 55-Inch OLED TV: $949.95 at Walmart (last seen Nov 9)
  • LG B6 OLED 65" 4K Smart TV: $1,199.99 at BrandsMart USA (last seen Nov 9)
  • Difference: the LG C5 55-Inch OLED TV is $250.04 cheaper than the LG B6 OLED 65" 4K Smart TV at the latest prices (Nov 9)
LG
LG OLED55C5 55-Inch OLED evo AI 4K Smart TV (2025)

LG C5 55-Inch OLED TV

LG OLED55C5 55-Inch OLED evo AI 4K Smart TV (2025)

4.4(142 ratings)
$949.95at WalmartChecked Nov 9
See all prices and details
Visit Walmart
Pros
  • Brighter OLED evo panel holds up better in lit rooms
  • 144Hz refresh suits fast PC and console gaming
  • Anti-glare coating cuts reflections
  • Alpha 9 Gen8 processor handles upscaling and AI picture tuning
  • Near-infinite contrast and wide viewing angles
Cons
  • 55 inches is small for a main living-room TV
  • webOS 25 is a generation behind the B6
  • Fewer confirmed gaming certifications than the B6 lists
LG
65" Class B6 Series OLED AI 4K Smart TV

LG B6 OLED 65" 4K Smart TV

65" Class B6 Series OLED AI 4K Smart TV

$1,199.99at BrandsMart USAChecked Nov 9
See all prices and details
Visit BrandsMart USA
Pros
  • 65-inch screen gives a noticeably bigger picture
  • Four HDMI 2.1 ports for consoles and soundbars
  • G-Sync, FreeSync Premium and VRR support
  • 40W 4.0ch audio is stronger than typical built-in sound
  • webOS 26 is the newer platform
Cons
  • Standard OLED panel is dimmer than OLED evo
  • 120Hz caps gaming refresh below the C5
  • No anti-glare coating listed
  • a8 processor is a step below the Alpha 9

What separates them

LG C5 55-Inch OLED TVLG B6 OLED 65" 4K Smart TV
Screen size55 inches65 inches
Panel brightnessOLED evo panel with boosted brightnessStandard OLED panel
Refresh rate144Hz native120Hz native
ProcessorAlpha 9 Gen8 AI Processora8 AI Processor 4K Gen3
Anti-glareAnti-glare coating listedNot specified
Smart platformwebOS 25webOS 26
AudioDolby Atmos, built-in speakers40W 4.0ch with Dolby Atmos
Gaming featuresVRR, 144Hz, four HDMI portsVRR, G-Sync, FreeSync Premium, four HDMI 2.1 ports

Price history

$1,299.99$919.99
Nov 1Nov 10
  • LG C5 55-Inch OLED TV: lowest $919.99 on Nov 8 at Amazon; $949.95 on Nov 10.
  • LG B6 OLED 65" 4K Smart TV: lowest $1,299.99 on Nov 2 at Amazon.

Prices at every store

LG C5 55-Inch OLED TV

  • WalmartNew

    In stock

    $949.95Free shippingChecked Nov 9
    Visit Walmart
  • GreentoeNew

    In stock

    $995.00Free shippingChecked Nov 9
    Visit Greentoe
  • B&H Photo-Video-AudioNew

    In stock

    $949.95+ $127.00 shippingChecked Nov 7
    Visit B&H Photo-Video-Audio
  • AmazonNew

    Availability unknown

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

    $949.95Free shippingChecked Nov 9
    Visit Amazon

Also available at

  • eBayCheck price at eBay
  • Sam's ClubCheck price at Sam's Club
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All 12 stores and price history →

LG B6 OLED 65" 4K Smart TV

  • BrandsMart USANew

    In stockReturn policy

    $1,199.99Checked Nov 9
    Visit BrandsMart USA
  • AmazonNew

    Availability unknown

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

    $1,299.99Checked Nov 2
    Visit Amazon

Store links may earn us a commission.

All 2 stores and price history →

Specs compared

SpecLG C5 55-Inch OLED TVLG B6 OLED 65" 4K Smart TV
Display TypeOLEDOLED
Resolution4K3840 x 2160
Refresh Rate144Hz120Hz
HDMI Ports44x HDMI 2.1
Network FunctionalitySmart TV, Streaming—
Supported Resolutions4K—
HDTV Format4K UHD—
Backlight TechnologyOLED—
Display HighlightsHDR—
Anti-GlareYes—
Max Resolution V-SyncVRR—
Display Aspect Ratio16:9—
Show all 33 specsShow fewer specs
SpecLG C5 55-Inch OLED TVLG B6 OLED 65" 4K Smart TV
Dynamic Contrast RatioInfinite contrast—
Image Contrast RatioNear-infinite—
Viewing AngleWide—
Menu LanguageSpanish, English, French—
Color TemperatureYes—
Smart TVYes—
Internet Streaming ServicesNetflix, Disney+—
Network ConnectivityEthernet—
Video InterfaceHDMI—
PC Interface

What reviewers say

LG C5 55-Inch OLED TV

  • 4.4 / 5142 ratings

Owners of LG's C-series generally praise the deep blacks, accurate colors and gaming features, and the C5 continues that reputation. Complaints tend to focus on brightness in bright rooms and on the set's built-in sound rather than the picture.

What people mention
  • Picture qualityPraisedOwners describe deep blacks, rich contrast and natural colors, especially in darker rooms.
  • GamingPraisedPlayers report low lag, smooth 120Hz and 144Hz motion and working VRR with current consoles.
  • BrightnessMixedIt looks excellent in dim rooms, but some owners find it dimmer than expected in a bright, sunlit room.
  • SoundCriticisedThe built-in speakers are called adequate for news but weak for films, with many buyers adding a soundbar.

LG B6 OLED 65" 4K Smart TV

Owners of LG's B-series OLEDs generally praise the contrast, gaming features and value, and treat it as the sensible way into OLED. Complaints center on brightness in sunlit rooms, image retention risk and weak built-in audio.

What people mention
  • Picture qualityPraisedOwners say the self-lit OLED panel delivers deep blacks and rich color, especially in a dim room.
  • BrightnessCriticisedReviewers note the B6 is dimmer than Mini-LED and QD-OLED sets, so highlights wash out in bright rooms.
  • GamingPraisedThe 120Hz panel, HDMI 2.1 ports and VRR support are called out as strong for console gaming.
  • SoundCriticisedThe 40W speakers are described as thin, with most owners adding a soundbar.

Questions and answers

Which is better for a bright living room?
The C5. Its OLED evo panel runs brighter and it lists an anti-glare coating, so window light and lamps cause less washout. The B6 is still OLED with perfect black, but it will show reflections more.
Which is better for gaming?
The C5 for high frame rates, since it reaches 144Hz. The B6 is close for consoles: 120Hz, four HDMI 2.1 ports, VRR, G-Sync and FreeSync Premium. Pick the B6 if you want the bigger screen for couch play.
Is the bigger B6 worth stepping up to over the C5?
For most living rooms, yes. Going from 55 to 65 inches changes the experience more than the brightness and refresh gains on the C5. Step to the C5 only if glare or competitive gaming matters more than size.
Which lasts longer?
Both are OLED with the same underlying panel wear characteristics, so neither is clearly longer-lived. The C5's brighter panel runs at higher output, which can matter over many years of heavy use. Buy for the room, not for lifespan.
Do both support Dolby Vision and Dolby Atmos?
Yes. Both list Dolby Vision HDR and Dolby Atmos. The B6 specifies 40W 4.0ch output, which is louder and fuller than most built-in TV audio.
Which has the better smart TV system?
The B6 runs webOS 26, one generation newer than the C5's webOS 25. In practice both cover the major streaming apps and LG Channels, so the difference is small.

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Buying guides that pick them

  • Best value 55-inch OLED TVs
HDMI
—
CEC EnabledYes—
Expansion SlotsCommon Interface (CI) slot—
colorBlack—
Screen size—65"
HDR support—Dolby Vision, HDR10, HLG
Smart TV software—webOS 26
Processor—a8 AI Processor 4K Gen3
Audio output—40W / 4.0ch
Wi-Fi—802.11.ac
Bluetooth—Yes
Dimensions without stand—1451 x 838 x 48.6mm 57.1” x 32.9” x 1.9”