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LG OLED evo AI C6 4K TV vs Samsung QN48S90HA OLED 4K TV

Both are 4K OLEDs with 165Hz panels, four HDMI 2.1 ports and full VRR support, so gaming and movie quality are close. The LG C6 is the safer all-round pick: it covers 42 to 83 inches, has Dolby Vision, and its webOS 26 with the a11 Gen3 chip is well liked by owners. The Samsung S90H is the better fit for a bright room and a 48-inch wall, thanks to its glare-free coating and slim build, but it tops out at 48 inches here and uses HDR10+ instead of Dolby Vision.

  • Choose the LG C6 if you want Dolby Vision, a wide range of screen sizes, and the most established OLED smart TV platform.
  • Choose the Samsung S90H if glare is your main problem and you want a glare-free 48-inch OLED with a slim, light body.

Prices

  • LG OLED evo AI C6 4K TV: $899.00 at Greentoe (last seen Nov 9)
  • Samsung QN48S90HA OLED 4K TV: $997.99 at Amazon (checked today)
  • Difference: the LG OLED evo AI C6 4K TV is $98.99 cheaper than the Samsung QN48S90HA OLED 4K 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
  • Dolby Vision plus Dolby Atmos for streaming and discs
  • 42-inch size works as a big monitor or a small-room TV
  • Four HDMI 2.1 ports at 165Hz with G-Sync and FreeSync
  • webOS 26 is fast and has all major streaming apps
  • Strong owner rating across many reviews
Cons
  • Glossy screen reflects lamps and windows
  • Only 2-channel audio built in
  • Heavier than the Samsung at the same size
Samsung
Samsung QN48S90HA OLED 4K TV with Austere Power Outlet

Samsung QN48S90HA OLED 4K TV

Samsung QN48S90HA OLED 4K TV with Austere Power Outlet

$997.99at AmazonChecked 1 h ago
See all prices and details
Visit Amazon

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

Pros
  • Glare Free coating handles bright rooms well
  • Slim, light body that hangs easily
  • 2.1-channel sound with Q-Symphony and OTS Lite
  • Game Bar, Super Ultra Wide view and cloud Gaming Hub
  • Wi-Fi 6E and Bluetooth 5.3
Cons
  • No Dolby Vision
  • Only 48 inches in this listing
  • Tizen's extra AI menus can feel busy

What separates them

LG OLED evo AI C6 4K TVSamsung QN48S90HA OLED 4K TV
HDR formatDolby Vision, HDR10 and HLGHDR10+ and HDR10, no Dolby Vision
Screen sizes offered42 up to 83 inches48 inches in this listing
Anti-glareBrightness Booster, but glossy panelGlare Free coating
Smart platformwebOS 26 with the a11 AI Gen3 chipOne UI Tizen with NQ4 AI Gen3
Gaming featuresG-Sync, FreeSync Premium, 165Hz, four HDMI 2.1G-Sync, FreeSync Premium, 165Hz, four HDMI 2.1, Game Bar
AudioDolby Atmos, 2-channelDolby Atmos, OTS Lite, Q-Symphony, 2.1CH
Weight and depthAbout 35 lb, 1.8 in deepAbout 23 lb, 1.6 in deep
Voice assistantsAlexa, Google, Siri and HomeKitAlexa and Google

Price history

$1,099.99$899.00
Oct 30Nov 11
  • LG OLED evo AI C6 4K TV: lowest $899.00 on Nov 9 at Greentoe; $899.99 on Nov 10.
  • Samsung QN48S90HA OLED 4K TV: lowest $997.99 on Nov 9 at Amazon; $997.99 on Nov 11.

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

  • Beach CameraCheck price at Beach Camera
  • DoorDashCheck price at DoorDash
  • BrandsMart USACheck price at BrandsMart USA
All 15 stores and price history →

Samsung QN48S90HA OLED 4K TV

  • AmazonNew

    Availability unknown

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

    $997.99Free shippingChecked 1 h ago
    Visit Amazon
Prices and history →

Specs compared

SpecLG OLED evo AI C6 4K TVSamsung QN48S90HA OLED 4K TV
Display typeOLEDOLED
HDRDolby VisionYes
Resolution3,840 x 2,160p3840 x 2160
High DefinitionYesYes
HDTV Format4K4K
ColorBlackTitanium
Screen FormFlatFlat
Assistant SupportSiriGoogle Assistant, Amazon Alexa
ConnectivityBluetooth, Wi-Fi, USB, HDMI, Optical AudioBluetooth, Wi-Fi, RF, USB, HDMI, Ethernet, Opti…
Screen Size48 inches, 55 inches, 65 inches, 77 inches, 83 …48.0
Weight35.1 lb23.4 lb
Supported Streaming ServicesNetflix, Prime Video, YouTube, HBO, Disney+Netflix, Prime Video, YouTube
Show all 40 specsShow fewer specs
SpecLG OLED evo AI C6 4K TVSamsung QN48S90HA OLED 4K TV
Width48.1 in wide42.1 in wide
Depth1.8 in deep1.6 in deep
HDMI Ports4 HDMI ports4 HDMI ports
Display size42 to 83 inches—
Refresh rateUp to 165Hz—
AudioDolby Atmos—
VRR supportNvidia G-Sync, AMD FreeSync Premium—
Voice controlsAlexa, Apple Homekit, Hey Google—
Ports4x HDMI 2.1—
Smart TV software

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.

Samsung QN48S90HA OLED 4K TV

Reviewers highlight the S90H as a versatile small-format OLED that excels in gaming due to its 165Hz panel and low input lag. The AI Gen3 processor is noted for improving upscaling and motion handling over previous generations.

What people mention
  • Gaming PerformancePraisedThe 165Hz refresh rate and dedicated Gaming Hub make it a top choice for console and PC players.
  • AI ProcessingPraisedThe NQ4 AI Gen3 processor effectively upscales lower-resolution content to 4K.
  • BrightnessMixedWhile it features an anti-glare coating, it still struggles against direct sunlight compared to high-end LCD TVs.

Questions and answers

Which is better for a bright living room?
The Samsung S90H. Its Glare Free coating cuts reflections far better than the LG C6's glossy panel, and it still keeps OLED blacks.
Which has better picture quality for movies?
They are close. The LG C6 wins on format support because it handles Dolby Vision, which most streaming services use. The Samsung relies on HDR10+ and HDR10.
Which is better for PS5 or PC gaming?
Both are strong. Each gives 165Hz, four HDMI 2.1 ports, G-Sync and FreeSync Premium. The Samsung adds a Game Bar and an ultra-wide view mode; the LG has a longer track record with console VRR.
Is the LG C6 worth stepping up to over the Samsung?
Yes if you want Dolby Vision, a 42-inch size, or a larger screen later. The Samsung is the better step if glare control and slim mounting matter more.
Which lasts longer?
Neither has a clear edge. Both use OLED panels with similar brightness limits, so burn-in risk depends on how you watch. Vary content and avoid leaving static logos or tickers on for hours.
Do both support the same streaming apps?
Yes. Netflix, Prime Video and YouTube are on both, and the LG adds HBO and Disney+ in its listed apps.

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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—