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LG OLED evo AI C6 4K TV vs LG B4 Series OLED 4K Smart TV

The C6 is the newer, brighter set with the faster processor, higher refresh ceiling and newer webOS, so it suits gamers and people in bright rooms who want the best picture LG's OLED line offers. The B4 is the older, cheaper-feeling tier with the same self-lit OLED contrast, four HDMI 2.1 ports and full gaming support, and its much larger owner base rates it almost as highly. Pick the C6 for peak brightness and 165Hz play; pick the B4 if you mainly watch film and TV and want proven OLED quality without stepping up a tier.

  • Choose the LG C6 if you game at high frame rates, watch in a bright room, or want the brightest picture and newest webOS.
  • Choose the LG B4 if you mostly watch movies and shows and want proven OLED contrast and gaming features at the lower tier.

Prices

  • LG OLED evo AI C6 4K TV: $899.00 at Greentoe (last seen Nov 9)
  • LG B4 Series OLED 4K Smart TV: $930.95 at JourneyEd (last seen Nov 10)
  • Difference: the LG OLED evo AI C6 4K TV is $31.95 cheaper than the LG B4 Series OLED 4K Smart TV at the latest prices (Nov 9 and Nov 10)
LG
LG 42 inch OLED evo AI C6 4K Smart webOS TV (2026)

LG OLED evo AI C6 4K TV

LG 42 inch OLED evo AI C6 4K Smart webOS TV (2026)

4.8(166 ratings)
$899.00at GreentoeChecked Nov 9
See all prices and details
Visit Greentoe
Pros
  • Brighter OLED evo panel with Brightness Booster
  • 165Hz refresh for high-frame-rate gaming
  • Faster a11 Gen3 processor and newer webOS 26
  • Four HDMI 2.1 ports with G-Sync and FreeSync Premium
  • Dolby Vision and Dolby Atmos
Cons
  • Newer model with a shorter track record
  • Smaller pool of owner ratings
  • Top brightness still trails the brightest LCD sets in a sunlit room
LG
LG B4 Series OLED 4K Smart TV

LG B4 Series OLED 4K Smart TV

4.7(1,800 ratings)
$930.95at JourneyEdChecked Nov 10
See all prices and details
Visit JourneyEd
Pros
  • Self-lit OLED contrast with 100% color volume
  • Native 120Hz with under 0.1 ms response time
  • Four HDMI 2.1 ports with G-Sync, FreeSync Premium, VRR and ALLM
  • Large, well-established owner base rating it 4.7
  • webOS 24 with 300+ free LG Channels
Cons
  • Older a8 processor and webOS 24
  • Lower peak brightness than the C6
  • 120Hz ceiling instead of 165Hz

What separates them

LG OLED evo AI C6 4K TVLG B4 Series OLED 4K Smart TV
Panel brightnessOLED evo panel with Brightness Booster and the a11 Gen3 processorStandard OLED panel with the older a8 processor
Refresh rateUp to 165Hz120Hz
Processora11 AI Processor 4K Gen3 with AI Director Processinga8 AI Processor 4K with AI Picture Pro
Smart platformwebOS 26webOS 24 with LG Channels
HDMI 2.1 ports44
Variable refresh rateG-Sync and FreeSync PremiumG-Sync, FreeSync Premium, VRR and ALLM
HDR and audioDolby Vision, HDR10, HLG, Dolby AtmosDolby Vision, Dolby Atmos, FILMMAKER MODE
Owner feedback4.8 from 166 ratings4.7 from 1,800 ratings

Price history

$1,045.66$359.87
Oct 30Nov 12
  • LG OLED evo AI C6 4K TV: lowest $899.00 on Nov 9 at Greentoe; $899.99 on Nov 12.
  • LG B4 Series OLED 4K Smart TV: lowest $359.87 on Nov 8; $930.95 on Nov 10.

Prices at every store

LG OLED evo AI C6 4K TV

  • GreentoeNew

    In stock

    $899.00Free shippingChecked Nov 9
    Visit Greentoe
  • Best BuyNew

    In stock

    $999.99Free shippingChecked Nov 9
    Visit Best Buy
  • Abt Electronics & AppliancesNew

    In stock

    $999.99Free shippingChecked Nov 9
    Visit Abt Electronics & Appliances
  • AmazonNew

    Availability unknown

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

    $999.99Free shippingChecked Nov 9
    Visit Amazon

Also available at

  • H-Town's FinestCheck price at H-Town's Finest
  • eBayCheck price at eBay
  • Beach CameraCheck price at Beach Camera

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All 15 stores and price history →

LG B4 Series OLED 4K Smart TV

  • JourneyEdNew

    In stock

    $930.95Checked Nov 10
    Visit JourneyEd
  • eBayPre-owned

    Availability unknown

    $584.99Free shippingChecked 16 h ago
    Visit eBay

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All 2 stores and price history →

Specs compared

SpecLG OLED evo AI C6 4K TVLG B4 Series OLED 4K Smart TV
Display typeOLEDOLED
Refresh rateUp to 165Hz120 Hz
HDRDolby VisionYes
Resolution3,840 x 2,160p3840 x 2160
High DefinitionYesYes
HDTV Format4K4K
ColorBlackBlack
Screen FormFlatFlat
Assistant SupportSiriGoogle Assistant, Amazon Alexa, Siri
ConnectivityBluetooth, Wi-Fi, USB, HDMI, Optical AudioBluetooth, Wi-Fi, RF, USB, HDMI, Ethernet, Opti…
Screen Size48 inches, 55 inches, 65 inches, 77 inches, 83 …65 inches
Weight35.1 lb37.7 lb
Show all 40 specsShow fewer specs
SpecLG OLED evo AI C6 4K TVLG B4 Series OLED 4K Smart TV
Supported Streaming ServicesNetflix, Prime Video, YouTube, HBO, Disney+Netflix, Prime Video, YouTube, HBO, Disney+
Width48.1 in wide57.1 in wide
Depth1.8 in deep1.8 in deep
HDMI Ports4 HDMI ports4 HDMI ports
Display size42 to 83 inches—
AudioDolby Atmos—
VRR supportNvidia G-Sync, AMD FreeSync Premium—
Voice controlsAlexa, Apple Homekit, Hey Google—
Ports4x HDMI 2.1—

What reviewers say

LG OLED evo AI C6 4K TV

  • 4.8 / 5166 ratings

Rated 4.8 out of 5 from 166 ratings, the C6 is received as a strong all-round OLED. Owners single out picture quality and gaming features; brightness in bright rooms is the recurring caveat.

What people mention
  • Picture qualityPraisedOwners describe deep blacks and vivid color as the main reason to buy.
  • GamingPraisedHigh refresh and VRR over HDMI 2.1 are called out as a big plus.
  • BrightnessMixedFine in dim rooms, but some find it dimmer than expected in daylight.
  • GlareCriticisedReflections show on the glossy screen in bright rooms.

LG B4 Series OLED 4K Smart TV

  • 4.7 / 51,800 ratings

Owners rate the B4 highly, with 4.7 out of 5 from 1,800 ratings. Most praise the deep blacks, gaming features and value for an OLED. Complaints center on brightness in bright rooms and the step-down processor.

What people mention
  • Picture qualityPraisedOwners highlight deep blacks and per-pixel contrast as the main reason to buy.
  • BrightnessCriticisedSome say HDR highlights and daytime viewing are dimmer than higher LG OLEDs.
  • GamingPraisedFour HDMI 2.1 ports, VRR and low response time are called out by console gamers.
  • ProcessorMixed

Questions and answers

Which is better for gaming?
The C6. It reaches 165Hz and runs the faster a11 Gen3 processor. Both have four HDMI 2.1 ports, G-Sync, FreeSync Premium and low OLED response, so the B4 is still a strong gaming set.
Is the C6 worth stepping up to over the B4?
Yes if you watch in a bright room or want the highest frame rates. The C6's evo panel and Brightness Booster give visibly more punch, and webOS 26 will stay current longer. For a dim room and film-first viewing, the B4 covers the essentials.
Which has the better picture?
The C6, mainly on brightness and processing. Both use self-lit OLED pixels for perfect black and wide viewing angles, but the C6's evo panel and AI Director Processing handle highlights and upscaling better.
Which lasts longer?
Neither has a published lifespan edge. OLED pixels dim gradually over years, and both carry LG's panel warranty. The C6's newer platform means more years of software updates, which matters more than hardware wear for most owners.
Do both support Dolby Vision and Dolby Atmos?
Yes. Both handle Dolby Vision HDR and Dolby Atmos audio, plus FILMMAKER MODE. The C6 adds HDR10 and HLG detail in its spec sheet.
Which is better in a bright room?
The C6. Brightness Booster and the evo panel push more light out, so reflections and daylight wash out the image less. The B4 is better suited to controlled lighting.

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Smart TV software
webOS 26
—
Processora11 AI Processor 4K Gen3—
Viewing Angle178° viewing angle—
Screen Size Class65 inches—
High Dynamic Range (HDR)true—
High Dynamic Range FormatDolby Vision, HDR 10, Hybrid Log-Gamma (HLG)—
OLED TechnologyOLED EVO—
Motion Enhancement TechnologyOLED Motion—
Smart PlatformwebOS—
Featured Streaming ServicesNetflix, HBO Max, Disney+, YouTube, Prime Video…—
Number of HDMI Inputs (Total)4—
TV Tuner TypeATSC, Clear QAM—
Works WithGoogle Home, Apple Home—
Voice Assistant Built-inOther—
BrandLG—
Model NumberOLED65C6PUA—
SeriesOLED evo - C6 series—
Model Year2026—
Product Height With Stand34.6 inches—
The α8 chip handles upscaling well but is seen as a step behind the C4's processor.