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LG 83" C6 Series 4K OLED TV vs Samsung S90H 83" OLED 4K TV

Both are 83-inch OLEDs with 165Hz panels and four HDMI 2.1 ports, so the choice comes down to processing, HDR format support and smart platform. The LG C6 adds Dolby Vision and a brighter OLED evo panel, which matters if you watch a lot of Dolby Vision movies and shows. The Samsung S90H counters with Glare Free coating, HDR10+ and a richer gaming and smart-home feature set. Owners and reviewers consistently praise both for deep blacks and wide viewing angles; the LG edges ahead on picture accuracy out of the box, while the Samsung wins in bright rooms and for PC-style gaming extras.

  • Choose the LG C6 if you want Dolby Vision, Filmmaker Mode and the most accurate cinematic picture for movies and series.
  • Choose the Samsung S90H if your room is bright, you game on PC with G-Sync and ultrawide views, or you want the deepest smart-home and health features.

Prices

  • LG 83" C6 Series 4K OLED TV: $3,299.99 at Abt Electronics (checked today)
  • Samsung S90H 83" OLED 4K TV: $3,299.99 at Best Buy (last seen Nov 8)
  • Difference: both cost the same at the latest prices (Nov 8 and Nov 10)
LG
LG 83" C6 Series 4K UHD OLED AI Smart webOS 26 TV, OLED83C6HUP

LG 83" C6 Series 4K OLED TV

LG 83" C6 Series 4K UHD OLED AI Smart webOS 26 TV, OLED83C6HUP

4.8(923 ratings)
$3,299.99at Abt ElectronicsChecked 7 h ago
See all prices and details
Visit Abt Electronics

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

Pros
  • Dolby Vision support for the widest range of HDR movies
  • OLED evo panel is noticeably brighter than earlier C-series
  • Filmmaker Mode preserves director intent
  • Four HDMI 2.1 ports at 165Hz VRR suit consoles and PCs
  • Alpha 11 Gen3 processor delivers strong upscaling and AI sound
Cons
  • No HDR10+ support
  • Standard anti-glare coating reflects more light than Glare Free
  • Fewer gaming overlays and smart-home extras than Samsung
  • 2-channel speaker system lacks object-tracking sound
Samsung
Samsung QN83S90HAEXZA 83" OLED 4K

Samsung S90H 83" OLED 4K TV

Samsung QN83S90HAEXZA 83" OLED 4K

$3,299.99at Best BuyChecked Nov 8
See all prices and details
Visit Best Buy

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

Pros
  • Glare Free coating keeps picture clear in bright rooms
  • HDR10+ support for dynamic metadata on Amazon and some discs
  • Rich gaming suite: Game Bar, Super Ultra Wide, G-Sync and FreeSync Premium Pro
  • Q-Symphony and OTS Lite improve built-in sound
  • Wi-Fi 6E and Bluetooth 5.3 for faster, more stable connections
Cons
  • No Dolby Vision
  • Smart platform can feel busier with more AI agents and menus
  • Stand design is wider and may need a larger media console
  • Picture accuracy out of the box trails LG slightly per reviewers

What separates them

LG 83" C6 Series 4K OLED TVSamsung S90H 83" OLED 4K TV
HDR formatsDolby Vision, HDR10, HLGHDR10+, HDR10, HLG (no Dolby Vision)
Panel brightness and glareOLED evo panel, about 3x brighter than earlier C-series; standard anti-glareOLED with Glare Free coating that cuts reflections in bright rooms
ProcessorAlpha 11 Gen3 AI Processor with AI picture and sound tuningNQ4 AI Gen3 with 4K AI Upscaling Pro and Auto HDR Remastering
Gaming features0.1ms response, 4 HDMI 2.1, VRR to 165Hz, G-Sync and FreeSync supportMotion Xcelerator 165Hz, FreeSync Premium Pro, G-Sync, Gaming Hub, Super Ultra Wide Game View, Game Bar
Smart platformwebOS 26 with LG Channels (400+ free channels) and AI searchOne UI Tizen with Samsung TV Plus, Multi AI Agents, Live Translate and SmartThings
SoundDolby Atmos with AI sound tuning; 2-channel outputDolby Atmos, OTS Lite, Q-Symphony, 360 Audio and Active Voice Amplifier Pro
Design and standAlmost invisible bezel; low-profile stand4-bezel-less Laser Slim design with Simple Plus Blade stand
ConnectivityHDMI 2.1 x4, Wi-Fi, BluetoothHDMI x4, Wi-Fi 6E, Bluetooth 5.3, RS-232C, LAN, optical

Price history

$3,299.99$3,299.99
Nov 7Nov 10
  • LG 83" C6 Series 4K OLED TV: lowest $3,299.99 on Nov 7 at The Home Depot; $3,299.99 on Nov 10.
  • Samsung S90H 83" OLED 4K TV: lowest $3,299.99 on Nov 8 at Best Buy; $3,299.99 on Nov 9.

Prices at every store

LG 83" C6 Series 4K OLED TV

  • The Home DepotNew

    In stock

    $3,299.99Free shippingChecked 7 h ago
    Visit The Home Depot
  • Best BuyNew

    In stock

    $3,299.99Free shippingChecked 7 h ago
    Visit Best Buy
  • Abt ElectronicsNew

    In stock

    $3,299.99Free shippingChecked 7 h ago
    Visit Abt Electronics
  • NeweggNew

    In stock

    $3,299.99Free shippingChecked 7 h ago
    Visit Newegg

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

All 6 stores and price history →

Samsung S90H 83" OLED 4K TV

  • Best BuyNew

    In stock

    $3,299.99Free shippingChecked Nov 8
    Visit Best Buy
  • NeweggNew

    In stock

    $3,299.99Free shippingChecked Nov 8
    Visit Newegg
  • WalmartNew

    Out of stockSold by Walts TVReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $3,299.99Free shippingChecked Nov 8
    Visit Walmart

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

All 3 stores and price history →

Specs compared

SpecLG 83" C6 Series 4K OLED TVSamsung S90H 83" OLED 4K TV
screen_size83 in83.0
colorBlackBlack
ConnectionsHDMIHDMI
Screen Resolution3840x2160 (4K Ultra HD)3840x2160 (4K Ultra HD)
Surround Sound FormatsDolby AtmosDolby Atmos
Refresh Rate (Hz)165165
Smart TVYesYes
Release Year20262026
VRRYesYes
HDRYesYes
DisplayOLED evo, OLEDOLED
HDR TypeHLG, HDR10, Dolby Vision—
Show all 15 specsShow fewer specs
SpecLG 83" C6 Series 4K OLED TVSamsung S90H 83" OLED 4K TV
HDMI Version2.1—
Operating SystemwebOS—
Bluetooth—Yes

What reviewers say

LG 83" C6 Series 4K OLED TV

  • 4.8 / 5923 ratings

Owners and critics highly rate the C6 for its balance of gaming features and cinematic accuracy, specifically noting the improved brightness over the C4 and C5 models.

What people mention
  • BrightnessPraisedUsers report the panel is significantly brighter than previous OLEDs, performing well even in rooms with windows.
  • Gaming PerformancePraisedThe 165Hz refresh rate and VRR support provide a tear-free experience for high-end PC rigs.
  • DesignPraisedThe nearly invisible bezel and slim profile make it a standout aesthetic piece.
  • Sound QualityMixedWhile Dolby Atmos processing is good, many users recommend a dedicated soundbar for better impact.

Questions and answers

Which is better for watching movies in a dark room?
The LG C6 is the better pick for dark-room movies because it supports Dolby Vision and Filmmaker Mode, and reviewers rate its out-of-box accuracy slightly higher. The Samsung S90H is still excellent, but it lacks Dolby Vision.
Which handles a bright living room better?
The Samsung S90H handles bright rooms better thanks to its Glare Free coating, which cuts reflections. The LG C6 is brighter than older C-series models but still uses a standard anti-glare finish.
Which is better for gaming?
Both offer 165Hz VRR and four HDMI 2.1 ports. The Samsung S90H adds more gaming tools, including Game Bar, Super Ultra Wide Game View and FreeSync Premium Pro, so it edges ahead for PC and console gamers.
Do either support Dolby Vision?
Only the LG C6 supports Dolby Vision. The Samsung S90H supports HDR10+ instead, so choose based on which format your streaming services and discs use.
Which has better built-in sound?
The Samsung S90H has the more advanced speaker system with OTS Lite, Q-Symphony and 360 Audio. The LG C6 offers Dolby Atmos but with a simpler 2-channel setup.
Is the step up to either worth it over a cheaper OLED?
Both are flagship-level 83-inch OLEDs with 165Hz panels and four HDMI 2.1 ports. If you want Dolby Vision and top movie accuracy, the LG C6 justifies the step up; if you need Glare Free and the deepest gaming features, the Samsung S90H does.

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