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LG B3 Series OLED TV vs LG C3 Series OLED evo 4K TV

Buy the C3 if you want the brighter, more future-proof OLED. Its OLED evo panel with the a9 processor and four full HDMI 2.1 ports beats the B3 on peak brightness and gaming headroom. The B3 is the smarter buy for a dark room or a second TV: same 120Hz OLED motion, Dolby Vision and Dolby Atmos, and owners rate it well. Both are 65-inch 4K OLEDs at 120Hz, so the real gap is brightness and processing, not core picture tech.

  • Choose the LG B3 if you watch mostly in a dim room, want the core OLED look with Dolby Vision and Atmos, and would rather put the difference toward a soundbar.
  • Choose the LG C3 if the room gets bright, you game on a console or PC, or you want the better processor and four HDMI 2.1 inputs.

Prices

  • LG B3 Series OLED TV: $2,399.99 at Big Daddy's Stereo (last seen Nov 10)
  • LG C3 Series OLED evo 4K TV: $1,183.91 at Best Buy (last seen Nov 3)
  • Difference: the LG C3 Series OLED evo 4K TV is $1,216.08 cheaper than the LG B3 Series OLED TV at the latest prices (Nov 3 and Nov 10)
LG
LG 65" Class 4K UHD OLED Web OS Smart TV with Dolby Vision B3 Series

LG B3 Series OLED TV

LG 65" Class 4K UHD OLED Web OS Smart TV with Dolby Vision B3 Series

4.5(395 ratings)
$2,399.99at Big Daddy's StereoChecked Nov 10
See all prices and details
Visit Big Daddy's Stereo
Pros
  • True OLED contrast with per-pixel blacks
  • Native 120Hz with VRR, G-Sync and FreeSync Premium
  • Dolby Vision and Dolby Atmos support
  • Four HDMI 2.1 ports
  • Strong owner rating at 4.5 out of 5
Cons
  • Dimmer than the C3 in bright rooms
  • Older a7 processor
  • Basic two-speaker audio
LG
LG 65" Class C3 Series OLED evo 4K Smart TV

LG C3 Series OLED evo 4K TV

LG 65" Class C3 Series OLED evo 4K Smart TV

$1,183.91at Best BuyChecked Nov 3
See all prices and details
Visit Best Buy
Pros
  • Brighter OLED evo panel
  • Faster a9 processor with better upscaling
  • Four HDMI 2.1 ports for consoles and PCs
  • Dolby Vision and Dolby Atmos
  • Works with Google Assistant, Alexa and Siri
Cons
  • Costs more than the B3
  • Stand design is wider and less forgiving of narrow furniture
  • Built-in sound still benefits from a soundbar

What separates them

LG B3 Series OLED TVLG C3 Series OLED evo 4K TV
PanelStandard OLED (B3)OLED evo panel (C3)
Processora7 AI Processor Gen6a9 AI Processor Gen6
Peak brightnessLower; rated around 240 nits in the listingHigher brightness from the evo panel
HDMI 2.1 portsFour HDMI 2.1 inputsFour HDMI 2.1 inputs
Gaming features120Hz, VRR, G-Sync, FreeSync Premium120Hz, VRR, G-Sync, FreeSync Premium
HDR formatsDolby Vision, HDR10, HGiGDolby Vision, HDR10, HLG
Sound2 speakers, Dolby AtmosDolby Atmos, richer built-in audio
Smart platformwebOS with Alexa, Google Assistant, HomeKitwebOS with Google Assistant, Alexa, Siri

Price history

$1,183.91$1,100.73
Oct 28Nov 10
  • LG B3 Series OLED TV: lowest $1,100.73 on Nov 10 at Walmart.
  • LG C3 Series OLED evo 4K TV: lowest $1,183.91 on Nov 3 at Best Buy.

Prices at every store

LG B3 Series OLED TV

  • Big Daddy's StereoNew

    In stock

    $2,399.99Checked Nov 10
    Visit Big Daddy's Stereo
  • eBayPre-owned

    Availability unknown

    $900.00+ $68.09 shippingChecked Nov 10
    Visit eBay
  • eBayPre-owned

    Availability unknownSold by mar288907 (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.

    $900.00+ $68.09 shippingChecked Nov 9
    Visit eBay
  • WalmartNew

    Out of stock

    $1,100.73Free shippingChecked Nov 10
    Visit Walmart

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All 3 stores and price history →

LG C3 Series OLED evo 4K TV

  • Best BuyNew

    Availability unknown

    $1,183.91Checked Nov 3
    Visit Best Buy
Prices and history →

Specs compared

SpecLG B3 Series OLED TVLG C3 Series OLED evo 4K TV
Resolution4K (2160P)3840 x 2160
Refresh rate120 Hz120 Hz
ColorBlackBlack, Silver, Gray
Screen size65 in—
DisplayOLED—
BrandLG—
Television typeOLED TVs—
Smart techY—
Tv featuresWi-Fi Direct, Bluetooth, High Dynamic Range—
StreamersApple+—
PlatformWebOS—
Virtual asst.Alexa, Apple HomeKit, Google Assistant—
Show all 32 specsShow fewer specs
SpecLG B3 Series OLED TVLG C3 Series OLED evo 4K TV
HDMI number4—
Mount typeWall Mount—
High dynamic range formatHDR Gaming Interest Group (HGiG), HDR10—
Sound technologyDolby Atmos—
Color categoryBlack—
ManufacturerLG Electronics—
Horizontal viewing angle178 degrees—
Vertical viewing angle178 degrees—
Video streaming qualityATSC—

What reviewers say

LG B3 Series OLED TV

  • 4.5 / 5395 ratings

Owners rate the B3 highly, mostly for its OLED picture and gaming features at the price. Complaints center on brightness in bright rooms and on the built-in sound.

What people mention
  • Picture qualityPraisedOwners call the contrast and black levels the main reason to buy it.
  • BrightnessCriticisedReviewers say it struggles in bright rooms compared with brighter OLEDs and LCDs.
  • GamingPraisedThe 120Hz panel and HDMI 2.1 ports are cited as a strong fit for consoles.
  • SoundCriticisedThe two built-in speakers are described as thin, with a soundbar recommended.

LG C3 Series OLED evo 4K TV

Reviewers and owners rate the C3 as one of the best-value OLEDs of its generation, praising its contrast, gaming features and webOS. Complaints center on brightness in bright rooms, reflections and the usual OLED burn-in worry.

What people mention
  • Picture contrastPraisedOwners say dark scenes look deep and clean, with no light bleed around bright objects.
  • BrightnessMixedFine in a dim room, but reviewers say HDR highlights and daytime viewing lack punch next to brighter QD-OLED and mini-LED sets.
  • GamingPraisedFour HDMI 2.1 ports, 120 Hz and low lag make it a common pick for PS5 and Xbox owners.
  • ReflectionsCriticisedThe glossy screen shows lamps and windows in a bright room.

Questions and answers

Which is better for a bright living room?
The C3. Its OLED evo panel pushes higher brightness, so reflections and daylight wash out the picture less. The B3 is better suited to a dim or controlled-light room.
Is the C3 worth stepping up to over the B3?
Yes if you game or watch in a bright room. The C3 adds a brighter evo panel and the a9 processor. If you watch mostly at night, the B3 delivers the same OLED blacks and 120Hz motion.
Which is better for gaming?
Both are strong: 120Hz, VRR, G-Sync and FreeSync Premium on four HDMI 2.1 ports. The C3 edges ahead with the faster processor and higher brightness in HDR games.
Do both support Dolby Vision and Dolby Atmos?
Yes. Both handle Dolby Vision HDR and Dolby Atmos audio. The C3's built-in speakers sound fuller, but a soundbar helps either one.
Which lasts longer?
Both use OLED panels with similar lifespans, and LG covers burn-in on its OLED TVs for a set period. The C3's newer panel and processor are the safer long-term pick.
Which has better smart TV software?
Both run LG webOS with all major streaming apps. The C3 ships on a newer webOS version, so it gets updates and features slightly longer.

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Contrast ratio range
Infinite
—
Brightness240 nt—
Number of speakers2—
High Definition—Yes
HDTV Format—4K
Screen Form—Flat
Display Type—OLED
Assistant Support—Google Assistant, Amazon Alexa, Siri
HDR—Yes
Connectivity—Bluetooth, Wi-Fi, USB, HDMI, Ethernet, Optical …
Supported Streaming Services—Netflix, Disney+