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LG OLED C5 Series 4K TV vs LG OLED B6 65" 4K Smart TV

The C5 is the better TV for most people who want the sharpest picture and the smoothest gaming. It has the brighter, more advanced OLED panel, a 144Hz refresh rate, and support for both Dolby Vision and HDR10+. The B6 wins on size for the money and still delivers real OLED contrast, four HDMI 2.1 ports and 120Hz, but its Alpha 8 processor and lower brightness put it a step below. Owners rate the B6 around 4.1 out of 5; the C5 line is the one reviewers consistently recommend for mixed movie and console use.

  • Choose the LG C5 if you want the best picture and the fastest panel for gaming, and a 55-inch screen fits your room.
  • Choose the LG B6 if you want a larger 65-inch OLED and 120Hz gaming without stepping up to LG's top processing.

Prices

  • LG OLED C5 Series 4K TV: $895.99 at eBay (last seen Nov 9)
  • LG OLED B6 65" 4K Smart TV: $1,199.99 at Best Buy (checked today)
  • Difference: the LG OLED C5 Series 4K TV is $304.00 cheaper than the LG OLED B6 65" 4K Smart TV at the latest prices (Nov 9 and Nov 11)
LG
LG 55-Inch OLED C5 Series

LG OLED C5 Series 4K TV

LG 55-Inch OLED C5 Series

$895.99at eBayChecked Nov 9
See all prices and details
Visit eBay

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Pros
  • Brighter OLED panel with strong HDR highlights
  • 144Hz refresh rate suits fast console and PC gaming
  • Supports both Dolby Vision and HDR10+
  • Four HDMI 2.1 ports for multiple consoles
  • Wide viewing angles and near-infinite contrast
Cons
  • 55-inch only in this listing, smaller than the B6
  • Peak brightness still trails top QD-OLED rivals
  • Reflective screen in very bright rooms
LG
LG OLED AI B6 4K Smart TV OLED65B6GUA

LG OLED B6 65" 4K Smart TV

LG OLED AI B6 4K Smart TV OLED65B6GUA

4.1(63 ratings)
$1,199.99at Best BuyChecked 1 min ago
See all prices and details
Visit Best Buy

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

Pros
  • 65-inch OLED screen at a lower tier than the C series
  • 120Hz with G-Sync, FreeSync Premium and VRR
  • Four HDMI 2.1 ports and the Game Optimizer dashboard
  • Dolby Vision and Dolby Atmos support
  • webOS 24 with Quick Cards and free LG Channels
Cons
  • Alpha 8 processor is a step below the C5's
  • No HDR10+ support
  • Lower brightness than the C5
  • 20W 2.0 speakers are modest for a 65-inch set

What separates them

LG OLED C5 Series 4K TVLG OLED B6 65" 4K Smart TV
Screen size55 inches65 inches (also sold in 48, 77 and 83)
Refresh rate144Hz120Hz
Picture processorLG's higher-tier OLED processing for the C seriesAlpha 8 AI Processor 4K Gen3
HDR formatsDolby Vision, HDR10+, HLGDolby Vision, HDR10, HLG (no HDR10+)
Brightness and contrastEvo-style panel with higher peak brightnessStandard OLED panel, dimmer in bright rooms
Gaming featuresVRR, 144Hz, four HDMI 2.1 portsVRR, G-Sync, FreeSync Premium, 120Hz, four HDMI 2.1 ports
AudioBuilt-in speakers with Dolby Atmos decoding2.0 channel, 20W output, Dolby Atmos
Smart platformwebOS with ThinQ AIwebOS 24 with Quick Cards and LG Channels

Price history

$1,299.99$949.95
Nov 2Nov 12
  • LG OLED C5 Series 4K TV: lowest $949.95 on Nov 9 at Amazon; $949.95 on Nov 10.
  • LG OLED B6 65" 4K Smart TV: lowest $1,199.99 on Nov 9 at Best Buy; $1,199.99 on Nov 12.

Prices at every store

LG OLED C5 Series 4K TV

  • eBayNew

    Availability unknownSold by grenadeaudio (92.3% positive, 37 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $895.99Free shippingChecked Nov 9
    Visit eBay
  • AmazonNew

    Availability unknown

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

    $949.95Free shippingChecked Nov 10
    Visit Amazon
  • B&H Photo-Video-AudioNew

    Availability unknown

    $949.95Checked Nov 9
    Visit B&H Photo-Video-Audio
  • AmazonNew

    Availability unknown

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

    $959.95Checked Nov 4
    Visit Amazon

Store links may earn us a commission.

All 6 stores and price history →

LG OLED B6 65" 4K Smart TV

  • Best BuyNew

    In stock

    $1,199.99Free shippingChecked 1 min ago
    Visit Best Buy
  • WalmartNew

    In stockSold by Video & Audio CenterReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $1,299.99Free shippingChecked 1 min ago
    Visit Walmart
  • Abt ElectronicsNew

    In stock

    $1,199.99+ $249.00 shippingChecked 1 min ago
    Visit Abt Electronics
  • LGNew

    Availability unknown

    $1,299.99Checked Nov 1
    Visit LG

Also available at

  • WalmartCheck price at Walmart

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

All 7 stores and price history →

Specs compared

SpecLG OLED C5 Series 4K TVLG OLED B6 65" 4K Smart TV
Display TypeOLEDOLED
Resolution4K3840 x 2160
HDTV Format4K UHD4K
Refresh Rate144Hz120Hz
HDMI Ports44
Screen Size55 inches65 in
Network FunctionalitySmart TV, Streaming—
Supported Resolutions4K—
Backlight TechnologyOLED—
Display HighlightsHDR—
Anti-GlareYes—
Max Resolution V-SyncVRR—
Show all 40 specsShow fewer specs
SpecLG OLED C5 Series 4K TVLG OLED B6 65" 4K Smart TV
Display Aspect Ratio16:9—
Dynamic Contrast RatioInfinite contrast—
Image Contrast RatioNear-infinite—
Viewing AngleWide—
Menu LanguageSpanish, English, French—
Color TemperatureYes—
Smart TVYes—
Internet Streaming ServicesNetflix, Disney+—
Network ConnectivityEthernet—

What reviewers say

LG OLED C5 Series 4K TV

Owners and reviewers treat the C5 as a safe pick for picture quality and gaming features, with brightness the usual reservation. Most criticism centers on how it compares to brighter, pricier OLEDs rather than on defects.

What people mention
  • Picture qualityPraisedOwners describe deep blacks and clean contrast, especially in dark rooms.
  • BrightnessMixedReviewers say it is bright enough for most rooms but dimmer than the G5 and high-end Mini-LED sets.
  • GamingPraisedLow lag, 144Hz and VRR are called out as reasons to buy for consoles and PC.
  • Burn-inCriticisedSome owners worry about static logos and tickers during long news or sports viewing.

LG OLED B6 65" 4K Smart TV

  • 4.1 / 563 ratings

Ratings average 4.1 out of 5 from 63 buyers. Owners tend to praise the picture and gaming features for the money, while some note the sound and brightness limits of an entry OLED.

What people mention
  • Picture qualityPraisedOwners say the OLED panel delivers deep blacks and strong contrast for the money.
  • Gaming featuresPraisedBuyers like the 120Hz panel, VRR and four HDMI 2.1 ports for consoles.
  • SoundCriticisedThe 20W 2.0-channel speakers are described as thin, with a soundbar recommended.

Questions and answers

Which is better for gaming, the C5 or the B6?
The C5. Its 144Hz panel and higher-tier processing give smoother motion and lower input lag than the B6's 120Hz. Both have four HDMI 2.1 ports, VRR, G-Sync and FreeSync Premium, so the gap is small but real.
Is the B6 worth stepping up to over the C5?
Only if screen size matters more than picture quality. The B6 gives you a 65-inch OLED, but the C5 has the brighter panel, better processor and HDR10+ support. For a dark room and mixed viewing, the C5 is the stronger set.
Which lasts longer, an OLED C5 or B6?
Both use OLED panels with similar lifespans, and LG covers burn-in risk with panel care features on each. The C5's brighter panel means it runs closer to its limit less often in bright rooms, which can be gentler over years of heavy use.
Does the B6 support Dolby Vision and HDR10+?
It supports Dolby Vision and HLG but not HDR10+. The C5 supports Dolby Vision, HDR10+ and HLG, so it handles more HDR sources natively.
Is the 65-inch B6 too big for a small room?
A 65-inch set needs roughly 8 to 9 feet of viewing distance for comfortable 4K viewing. In a small room the 55-inch C5 is easier to place and still fills the wall.
Which has better sound without a soundbar?
They are close. The B6 has a 2.0 channel 20W system with Dolby Atmos decoding, and the C5 has similar built-in speakers. Neither replaces a soundbar for a 65-inch set.

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Buying guides that pick them

  • Best value 55-inch OLED TVs
Video Interface
HDMI
—
PC InterfaceHDMI—
CEC EnabledYes—
Expansion SlotsCommon Interface (CI) slot—
Display Resolution4K UHD—
HDR SupportDolby Vision, HDR10+, HLG—
Smart Platform/OSWebOS—
Voice Assistant IntegrationAlexa (built-in)—
Additional Feature8.3 million self-lit pixels—
Feature 155"—
LightingOLED—
color—Black
Picture processor—Alpha 8 AI Processor 4K Gen3
HDR formats—Dolby Vision, HDR10, HLG
Audio output—20 W
Speaker configuration—2.0 Channel
USB ports—2
Wi-Fi—Wi-Fi 5
Bluetooth—Bluetooth 5.3
  • BrightnessMixedSome find it bright enough for dark rooms but dim in daylight.