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LG C3 OLED evo 77" 4K Smart TV vs LG C3 83" OLED evo TV

Both are LG C3 OLED evo sets with the same α9 Gen6 processor, webOS 23, four HDMI 2.1 ports and 120Hz gaming features. The real decision is size: the 77-inch fits more rooms and walls, while the 83-inch gives a noticeably bigger picture for large, dark viewing spaces. Reviewers and owners praise the C3's contrast, viewing angles and low input lag; the main complaints are peak brightness in bright rooms and OLED burn-in risk with static content.

  • Choose the LG C3 77-inch if your wall or seating distance suits a 77-inch screen and you want the same C3 picture and gaming features in a room that can't take an 83-inch panel.
  • Choose the LG C3 83-inch if you sit far back in a large, light-controlled room and want the biggest OLED picture LG's C3 line offers.

Prices

  • LG C3 OLED evo 77" 4K Smart TV: $1,183.91 at Best Buy (last seen Nov 4)
  • LG C3 83" OLED evo TV: $1,183.91 at Best Buy (last seen Nov 4)
  • Difference: both cost the same at the latest prices (Nov 4)
LG
LG C3 series OLED77C3PUA 77 inches LED Smart TV

LG C3 OLED evo 77" 4K Smart TV

LG C3 series OLED77C3PUA 77 inches LED Smart TV

$1,183.91at Best BuyChecked Nov 4
See all prices and details
Visit Best Buy
Pros
  • Same C3 OLED evo picture and α9 Gen6 processing as the larger set
  • 120Hz with VRR, ALLM and G-Sync for console and PC gaming
  • Dolby Vision and Dolby Atmos with 2.2-channel speakers
  • Easier to fit in typical living rooms and on standard stands
Cons
  • Smaller picture than the 83-inch for big rooms
  • OLED peak brightness still trails bright LED sets in sunlit rooms
  • Burn-in risk with static logos and news tickers
LG
LG C3 83" 4K HDR Smart OLED evo TV

LG C3 83" OLED evo TV

LG C3 83" 4K HDR Smart OLED evo TV

$1,183.91at Best BuyChecked Nov 4
See all prices and details
Visit Best Buy
Pros
  • Largest C3 screen, most immersive for movies and sports
  • Identical OLED evo panel quality and 120Hz gaming features
  • Four HDMI 2.1 inputs cover consoles, PC and soundbar
  • Wide viewing angles suit big family seating
Cons
  • Very large footprint; needs a wide wall and long viewing distance
  • Lower pixel density makes close viewing less sharp
  • Same brightness limits and burn-in caution as all OLEDs

What separates them

LG C3 OLED evo 77" 4K Smart TVLG C3 83" OLED evo TV
Screen size77 inches diagonal83 inches diagonal
Panel technologyOLED evo, self-lit pixels, perfect blackOLED evo, self-lit pixels, perfect black
Processor and smart platformα9 AI Processor Gen6, webOS 23, Magic Remoteα9 AI Processor Gen6, webOS 23, LG ThinQ AI
Gaming features120Hz, VRR, ALLM, G-Sync Compatible, GeForce Now120Hz, VRR, ALLM, FreeSync Premium, G-Sync, GeForce Now
HDR supportDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
Audio2.2-channel down-firing, AI Sound Pro virtual 9.1.2, Dolby AtmosVirtual AI or Dolby Atmos sound
Room fitFits more walls and seating distancesNeeds a large wall and long viewing distance
Pixel density at close rangeHigher pixels per inch, sharper up closeLower pixels per inch, softer up close

Price history

  • LG C3 OLED evo 77" 4K Smart TV: lowest $1,183.91 on Nov 5 at Best Buy.
  • LG C3 83" OLED evo TV: lowest $1,183.91 on Nov 5 at Best Buy.

Prices at every store

LG C3 OLED evo 77" 4K Smart TV

  • Best BuyNew

    Availability unknown

    $1,183.91Checked Nov 4
    Visit Best Buy

Also available at

  • Tech For LessCheck price at Tech For Less

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Prices and history →

LG C3 83" OLED evo TV

  • Best BuyNew

    Availability unknown

    $1,183.91Checked Nov 4
    Visit Best Buy

Also available at

  • Game LiquidationsCheck price at Game Liquidations
Prices and history →

Specs compared

SpecLG C3 OLED evo 77" 4K Smart TVLG C3 83" OLED evo TV
Resolution3840 x 21603840 x 2160
High DefinitionYesYes
HDTV Format4K4K
ColorBlack, Silver, GrayBlack, Silver, Gray
Screen FormFlatFlat
Display TypeOLEDOLED
Assistant SupportGoogle Assistant, Amazon Alexa, SiriGoogle Assistant, Amazon Alexa, Siri
HDRYesYes
Refresh Rate120 Hz120 Hz
ConnectivityBluetooth, Wi-Fi, USB, HDMI, EthernetBluetooth, Wi-Fi, USB, HDMI, Ethernet
Supported Streaming ServicesNetflix, Prime Video, Disney+Netflix, Prime Video, Disney+

What reviewers say

LG C3 OLED evo 77" 4K Smart TV

Owners of the C3 line praise the contrast, gaming features and webOS, and most find the 77-inch size worth the jump. Complaints center on brightness in bright rooms, reflections, and the built-in speakers.

What people mention
  • Picture qualityPraisedOwners call the contrast and black levels the main reason to buy.
  • BrightnessMixedFine in dim rooms, but some find it dimmer than expected in daylight.
  • GamingPraised120Hz, VRR and low lag are cited as strong for consoles and PC.
  • SoundCriticisedThe built-in speakers are called thin, with most owners adding a soundbar.

LG C3 83" OLED evo TV

Owners and reviewers rate the C3 highly for picture quality and gaming features, and the 83-inch version gets the same praise as smaller sizes. Most complaints are about price at this size and about brightness in very bright rooms.

What people mention
  • Picture qualityPraisedOwners say blacks are deep and colors stay accurate off-axis.
  • BrightnessMixedReviewers find it bright enough for most rooms but dimmer than QD-OLED and mini-LED sets in daylight.
  • GamingPraisedLow lag, VRR and four HDMI 2.1 ports draw praise from console and PC players.
  • Burn-inCriticisedSome owners worry about static logos and HUDs leaving marks over years of use.

Questions and answers

Which is better for a bright living room?
Neither is the strongest choice for a sunlit room; both C3 sets share the same OLED brightness. If you must pick, the 77-inch concentrates the same brightness into a smaller area, which can look slightly punchier. Heavy daytime viewers should consider a bright LED or mini-LED set instead.
Is the 83-inch worth stepping up to over the 77-inch?
Only if your seating distance is long enough to notice the extra six inches, roughly beyond 10 feet. The picture quality, processor and gaming features are the same, so you are paying for size, not better technology.
Which is better for gaming?
They are effectively equal. Both run 120Hz with VRR, ALLM and G-Sync Compatible, and both support NVIDIA GeForce Now. The 83-inch lists FreeSync Premium as well, but the practical experience is the same.
Which lasts longer?
Both use the same OLED panel type, so lifespan is comparable. Burn-in risk depends on content: static logos, tickers and desktop taskbars are the main concern on either size. Vary content and enable screen-shift and logo-dimming features.
Do both have the same smart TV system?
Yes. Both run webOS 23 with the Magic Remote and support Google Assistant, Amazon Alexa and Siri. Streaming apps like Netflix, Prime Video and Disney+ are available on both.
How far should I sit from each?
For mixed viewing, about 8 to 10 feet suits the 77-inch, and about 10 to 12 feet suits the 83-inch. Closer seating makes the 83-inch's lower pixel density more visible.

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