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LG OLED42C6PUA 42" OLED evo C6 vs LG OLED42C5PUA 42" OLED TV

Both are 42-inch OLED evo sets with four HDMI 2.1 ports, Dolby Vision, Dolby Atmos and 0.1ms response, so the picture and gaming fundamentals are close. The C6 is the newer generation: a brighter evo panel, the Alpha 11 Gen3 processor, webOS 26 with Gemini and Copilot, and VRR up to 165Hz. The C5 runs the Alpha 9 Gen8 chip on webOS 25 with VRR up to 144Hz and holds a solid 4.4 out of 5 from 47 ratings. Buy the C6 for the brighter panel and longer feature life; buy the C5 if you want proven OLED performance and don't need the newest chip.

  • Choose the LG C6 if you want the brightest 42-inch OLED LG makes, the newest processor and webOS, and 165Hz VRR for high-frame-rate PC gaming.
  • Choose the LG C5 if you want proven OLED picture and gaming features with a well-rated track record and don't need the latest chip or platform.

Prices

  • LG OLED42C6PUA 42" OLED evo C6: $899.99 at World Wide Stereo (checked today)
  • LG OLED42C5PUA 42" OLED TV: $781.60 at Walmart (last seen Nov 2)
  • Difference: the LG OLED42C5PUA 42" OLED TV is $118.39 cheaper than the LG OLED42C6PUA 42" OLED evo C6 at the latest prices (Nov 2 and Nov 11)
LG
LG OLED42C6PUA 42" OLED evo AI C6 4K Smart TV

LG OLED42C6PUA 42" OLED evo C6

LG OLED42C6PUA 42" OLED evo AI C6 4K Smart TV

$899.99at World Wide StereoChecked 3 h ago
See all prices and details
Visit World Wide Stereo
Pros
  • Brightest 42-inch OLED evo panel LG offers
  • Alpha 11 Gen3 chip with AI upscaling and brightness control
  • webOS 26 with Gemini and Copilot assistants
  • 165Hz VRR, G-Sync and FreeSync Premium for gaming
  • Four HDMI 2.1 ports and 0.1ms response
Cons
  • Newer model, so long-term owner reports are thin
  • No anti-glare coating listed
  • Wi-Fi 5, not Wi-Fi 6
  • Stand and setup add bulk for a small room
LG
LG OLED42C5PUA 42" smart TV

LG OLED42C5PUA 42" OLED TV

LG OLED42C5PUA 42" smart TV

4.4(47 ratings)
$781.60at WalmartChecked Nov 2
See all prices and details
Visit Walmart
Pros
  • Proven OLED evo picture with Dolby Vision and Atmos
  • Alpha 9 Gen8 processor handles upscaling well
  • Anti-glare coating helps in bright rooms
  • 144Hz VRR and four HDMI 2.1 inputs suit consoles and PC
  • Rated 4.4 out of 5 by 47 owners
Cons
  • Older processor and webOS 25 versus the C6
  • Lower peak brightness than the C6
  • VRR tops out at 144Hz
  • Fewer AI assistant integrations

What separates them

LG OLED42C6PUA 42" OLED evo C6LG OLED42C5PUA 42" OLED TV
Panel brightnessOLED evo with Brightness Booster for higher peak brightnessOLED evo with boosted brightness, one generation older
ProcessorAlpha 11 AI Processor 4K Gen3 with dual AI engineAlpha 9 Gen8 AI Processor
Smart platformwebOS 26 with Google Gemini and Microsoft CopilotwebOS 25
Max VRR refresh120Hz native, VRR up to 165Hz120Hz native, VRR up to 144Hz
Gaming syncG-Sync, FreeSync Premium, ALLMVRR and ALLM, four HDMI 2.1 inputs
HDR and audioDolby Vision, HDR10, HLG, Dolby Atmos, FILMMAKER MODEDolby Vision, Dolby Atmos, FILMMAKER MODE
Anti-glareNot listed as a panel treatmentAnti-glare coating
Owner feedbackNewer model with little owner history yet4.4 out of 5 from 47 ratings

Price history

$1,081.49$781.60
Oct 31Nov 2
  • LG OLED42C6PUA 42" OLED evo C6: lowest $1,049.99 on Oct 31 at Lowe's; $1,081.49 on Nov 2.
  • LG OLED42C5PUA 42" OLED TV: lowest $781.60 on Nov 2 at Walmart.

Prices at every store

LG OLED42C6PUA 42" OLED evo C6

  • World Wide StereoNew

    In stockReturn policy

    $899.99Checked 3 h ago
    Visit World Wide Stereo
  • AmazonNew

    Availability unknown

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

    $1,049.99Checked Oct 31
    Visit Amazon
  • Lowe'sNew

    Availability unknown

    $1,049.99Checked Oct 30
    Visit Lowe's
  • Best BuyNew

    Availability unknown

    $1,049.99Checked Oct 30
    Visit Best Buy

Also available at

  • ListenUpCheck price at ListenUp

Store links may earn us a commission.

All 9 stores and price history →

LG OLED42C5PUA 42" OLED TV

  • WalmartNew

    Availability unknown

    $781.60Checked Nov 2
    Visit Walmart
  • The Frog PadNew

    Availability unknown

    $1,199.99Checked Nov 2
    Visit The Frog Pad
All 2 stores and price history →

Specs compared

SpecLG OLED42C6PUA 42" OLED evo C6LG OLED42C5PUA 42" OLED TV
Refresh Rate120Hz144Hz
Display TypeOLEDOLED
HDMI Ports44
Resolution3840 x 21604K
HDTV Format4K4K UHD
ColorBlackBlack
Screen Size41.5"—
Native Resolution3840x2160—
Response Time0.1ms—
Aspect Ratio16:9—
Processora11 AI Processor 4K Gen3—
Smart PlatformWebOS 26—
Show all 40 specsShow fewer specs
SpecLG OLED42C6PUA 42" OLED evo C6LG OLED42C5PUA 42" OLED TV
USB Ports2—
Wi-Fi VersionWi-Fi 5—
Bluetooth Versionv5.3—
High DefinitionYes—
Screen FormFlat—
Assistant SupportSiri—
HDRYes—
ConnectivityBluetooth, Wi-Fi, USB, HDMI, Ethernet, Optical …—
Supported Streaming ServicesNetflix, Prime Video, YouTube, HBO, Disney+—
Width

What reviewers say

LG OLED42C6PUA 42" OLED evo C6

Buyers describe the C6 as easy to set up and praise its crisp, clear sound across streaming services. They also like that friends can stream to it, which makes it good for parties.

What people mention
  • SetupPraisedOwners say the TV is super easy to set up.
  • SoundPraisedBuyers call the sound outstanding, crisp and clear across streaming services.
  • CastingPraisedFriends can stream to it easily, which owners say is great for parties.
  • BassCriticisedThe built-in speakers are short on low-end punch.

LG OLED42C5PUA 42" OLED TV

  • 4.4 / 547 ratings

Rated 4.4 out of 5 from 47 ratings, owners largely praise the picture, gaming features and design. Complaints center on brightness in bright rooms and the modest built-in audio.

What people mention
  • Picture qualityPraisedOwners describe deep blacks and vivid color from the OLED panel.
  • GamingPraised144Hz, VRR and HDMI 2.1 inputs are called a strong match for consoles and PCs.
  • BrightnessCriticisedSome say the set struggles in well-lit rooms compared with brighter LCD TVs.

Questions and answers

Which is better for gaming, the C6 or the C5?
The C6. Both have 0.1ms response, four HDMI 2.1 ports and ALLM, but the C6 adds G-Sync and FreeSync Premium and reaches 165Hz VRR versus 144Hz on the C5.
Is the C6 brighter than the C5?
Yes. The C6 uses a newer OLED evo panel with Brightness Booster, so highlights and full-screen brightness run higher. The C5 is still bright for an OLED but a step behind.
Which lasts longer?
Both use self-lit OLED pixels with similar panel life and LG's OLED Care routines. The C6 will stay current longer because its webOS 26 platform and Alpha 11 chip get updates further into the future.
Do I need the C6's extra AI features?
Only if you use voice assistants or want the smartest upscaling. Gemini and Copilot on webOS 26 are conveniences; picture quality gains come mostly from the brighter panel.
Is the C5 still worth buying over the C6?
Yes, if you want proven OLED performance and an anti-glare coating and don't need 165Hz or the newest chip. Its 4.4 out of 5 owner rating shows it holds up well.
Which is better in a bright room?
The C6 wins on brightness, but the C5's anti-glare coating cuts reflections. In a sunlit room the C5 can look cleaner; in a dim room the C6 shows more punch.

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Buying guides that pick them

  • Best 42-43 inch OLED TVs under $1,500
48.1 in wide
—
Depth1.8 in deep—
Weight36.6 lb, 45 lb, 47 lb—
Network Functionality—Smart TV, Streaming
Supported Resolutions—4K
Backlight Technology—OLED
Display Highlights—HDR
Anti-Glare—Yes
Max Resolution V-Sync—VRR
Display Aspect Ratio—16:9
Dynamic Contrast Ratio—Infinite contrast
Image Contrast Ratio—Near-infinite
Viewing Angle—Wide
Menu Language—Spanish, English, French
Color Temperature—Yes
Smart TV—Yes
Internet Streaming Services—Netflix, Disney+
Network Connectivity—Ethernet
Video Interface—HDMI
  • SoundCriticisedBuilt-in speakers are described as thin, with Atmos adding little without a soundbar.