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

The C6 is the stronger TV: a brighter OLED evo panel, the newer α11 Gen3 processor, 2.2-channel 40W sound, four full HDMI 2.1 ports and VRR up to 165Hz for PC gaming. The B5 is a solid entry OLED with the same self-lit pixel contrast, Dolby Vision and 120Hz, but a dimmer panel, the older α8 chip and weaker audio. Buy the C6 for a bright living room, serious gaming or the best picture; buy the B5 if you want OLED contrast in a smaller 48-inch size and don't need the extra brightness or gaming headroom.

  • Choose the LG C6 if you want the brightest OLED picture, the fastest gaming features and the better built-in sound.
  • Choose the LG OLED B5 if you want true OLED black levels in a compact 48-inch size and 120Hz gaming is enough for you.

Prices

  • LG C6 Series OLED 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 TV today
LG
LG 55" C6 Series 4K UHD OLED AI Smart webOS 26 TV

LG C6 Series OLED TV

LG 55" C6 Series 4K UHD OLED AI Smart webOS 26 TV

4.7(192 ratings)
$899.00at GreentoeChecked 59 min ago
See all prices and details
Visit Greentoe
Pros
  • Bright OLED evo panel holds up better in lit rooms
  • α11 Gen3 processor sharpens upscaling and motion
  • Four HDMI 2.1 ports all handle 4K 120Hz
  • 165Hz VRR and 0.1ms response suit PC gaming
  • 40W 2.2-channel sound reduces the need for a soundbar
Cons
  • Costs more than the B5 across every size
  • Stand is basic for a premium set
  • Peak brightness still trails top Mini-LED sets in very bright rooms
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 53 min ago
See all prices and details
Visit Best Buy

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

Pros
  • True OLED contrast and perfect black at the entry point of LG's OLED line
  • 120Hz with G-Sync and FreeSync Premium covers console gaming
  • Dolby Vision, Dolby Atmos and FILMMAKER MODE included
  • Compact 48-inch size fits smaller rooms
Cons
  • Dimmer panel washes out in bright rooms
  • Older α8 processor and webOS 25
  • Weak built-in audio, one speaker setup
  • Fewer sizes and lower owner rating

What separates them

LG C6 Series OLED TVLG B5 Series OLED 4K TV (2025)
Panel brightnessOLED evo panel with Brightness Booster for a punchier picture in lit roomsStandard OLED panel, dimmer in bright rooms
Picture processorα11 AI Processor 4K Gen3 with dual AI engineα8 AI Processor
Gaming refresh120Hz native, VRR up to 165Hz, 0.1ms response, G-Sync and FreeSync Premium120Hz native with VRR, G-Sync and FreeSync Premium
Sound2.2-channel, 40W outputSingle speaker setup with Dolby Atmos decoding
Screen sizes42, 48, 55, 65 and 77 inches48 inches
Smart platformwebOS 26 with AI search and Google GeminiwebOS 25 with Quick Cards and LG Channels
HDR and film modesDolby Vision, HDR10, HLG, Dolby Atmos, FILMMAKER MODEDolby Vision, HDR10, HLG, Dolby Atmos, FILMMAKER MODE
Owner ratings4.7 out of 5 from 192 ratings4.3 out of 5 from 18 ratings

Price history

$999.99$299.99
Oct 30Nov 11
  • LG C6 Series OLED TV: lowest $849.00 on Nov 5 at Greentoe; $899.00 on Nov 11.
  • LG B5 Series OLED 4K TV (2025): lowest $299.99 on Nov 7 at Best Buy; $299.99 on Nov 11.

Prices at every store

LG C6 Series OLED TV

  • GreentoeNew

    In stock

    $899.00Free shippingChecked 59 min ago
    Visit Greentoe
  • WalmartNew

    In stockSold by Video & Audio Center

    $999.99Free shippingChecked 59 min ago
    Visit Walmart
  • Abt Electronics & AppliancesNew

    In stock

    $999.99Free shippingChecked 10 h ago
    Visit Abt Electronics & Appliances
  • AmazonNew

    Availability unknown

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

    $999.99Free shippingChecked 59 min ago
    Visit Amazon

Also available at

  • WalmartCheck price at Walmart
  • World Wide StereoCheck price at World Wide Stereo
  • NeweggCheck price at Newegg
All 22 stores and price history →

LG B5 Series OLED 4K TV (2025)

  • Best BuyNew

    In stock

    $299.99Free shippingChecked 53 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 52 min ago
    Visit Walmart
  • WalmartNew

    In stockSold by Electronic Express

    $899.99Free shippingChecked 52 min ago
    Visit Walmart
  • mercari.comNew

    Availability unknown

    $575.00Checked Nov 8
    Visit mercari.com

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

All 12 stores and price history →

Specs compared

SpecLG C6 Series OLED TVLG B5 Series OLED 4K TV (2025)
colorBlackBlack
screen_size55 in48 in
Display Type4K OLEDOLED
Refresh Rate120Hz Native (VRR 165Hz)120 Hz
Resolution3840 x 21604K UHD
High DefinitionYesYes
HDTV Format4K4K
Screen FormFlatFlat
Assistant SupportSiriGoogle Assistant, Amazon Alexa
ConnectivityBluetooth, Wi-Fi, USB, HDMI, EthernetBluetooth, Wi-Fi, RF, USB, HDMI, VGA, Ethernet,…
Weight35.1 lb25.4 lb, 31.5 lb, 58.9 lb
HDRYesYes
Show all 40 specsShow fewer specs
SpecLG C6 Series OLED TVLG B5 Series OLED 4K TV (2025)
Supported Streaming ServicesNetflix, Prime Video, YouTube, HBO, Disney+Netflix, Prime Video, YouTube, HBO, Disney+
Width48.1 in wide42.1 in wide
Depth1.8 in deep1.8 in deep
HDMI Ports4 HDMI ports4 HDMI ports
HDR TypeDolby VisionDolby Vision
Refresh Rate (Hz)165120
Screen Resolution3840x2160 (4K Ultra HD)3840x2160 (4K Ultra HD)
Smart TVYesYes
Release Year20262025

What reviewers say

LG C6 Series OLED TV

  • 4.7 / 5192 ratings

Owners rate the 55-inch C6 highly at 4.7 out of 5 from 192 ratings, with most praise going to picture quality and gaming features. Complaints tend to be about brightness in bright rooms and the price rather than the panel itself.

What people mention
  • Picture qualityPraisedOwners describe deep blacks, strong contrast and clean motion, especially with Dolby Vision content.
  • GamingPraisedGamers like the four HDMI 2.1 ports, 120Hz support and VRR for smooth play on consoles and PCs.
  • BrightnessMixedIt looks great in a dark room, but some owners find it dimmer than expected in a bright, sunlit room.
  • SoundCriticisedThe 40W speakers are called adequate at best, and many owners add a soundbar for films.

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.
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 pushes more light, so reflections and daylight hurt the picture less. The B5 is dimmer and loses punch in a sunlit room.
Is the C6 worth stepping up to over the B5?
Yes if you game on PC, watch a lot of HDR or sit in a bright room. The C6 adds the α11 Gen3 chip, 165Hz VRR, 40W 2.2-channel sound and a brighter panel. If you mainly stream in a dim room at 48 inches, the B5 covers the basics.
Which has better gaming features?
The C6. Both have four HDMI 2.1 ports, 120Hz, G-Sync and FreeSync Premium, but the C6 adds VRR up to 165Hz, a 0.1ms response claim and the newer Game Optimizer on webOS 26.
Which lasts longer?
Both are OLED sets with similar panel life and the same risk of static-image burn-in if you leave news tickers or game HUDs on for hours. The C6's newer processor and platform should stay current longer for app support.
Do both support Dolby Vision and Dolby Atmos?
Yes. Both handle Dolby Vision, HDR10, HLG, Dolby Atmos and FILMMAKER MODE. The C6 renders Atmos through a 2.2-channel 40W system, so it sounds fuller without a soundbar.
Which size should I pick?
The B5 comes only in 48 inches, which suits a bedroom or small den. The C6 spans 42 to 77 inches, so it fits anything from a desk setup to a large living room.

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Buying guides that pick them

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Operating System
webOS
webOS
DisplayOLED evo, OLEDLED
Surround Sound FormatsDolby AtmosDolby Atmos
Display Resolution4K Ultra HD (3,840 x 2,160)—
Picture Processorα11 AI Processor 4K Gen3—
HDR SupportDolby Vision / HDR10 / HLG—
Audio Output40W—
Speaker System2.2 channel—
Dimensions without Stand1222 x 703 x 45.1—
Weight without Stand14.1—
Weight with Stand15.9—
VESA Mounting300 x 200—
HDMI Input4ea (supports 4K 120Hz, eARC, VRR, ALLM, QMS, Q…—
Viewing Angle178° viewing angle—
VRRYes—
ConnectionsHDMI—
Wi-FiYes—
Anti-GlareYes—
Video SystemATSC—
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