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LG OLED C6 65-inch TV vs Samsung S90H OLED 4K Smart TV

Both are 4K OLEDs with 165Hz panels and four HDMI 2.1 ports, so gaming and movie performance are close. The LG C6 leans on Dolby Vision, Dolby Atmos, a 2.2 speaker array and LG's webOS with Gemini and Copilot; the Samsung S90H counters with HDR10+ support, Glare Free 3.0 coating and a wider spread of screen sizes from 42 to 83 inches. The C6 has far more owner ratings behind it, while the S90H's smaller sample still scores well. Buy the LG for Dolby Vision content and sound out of the box; buy the Samsung for a bright room or a size the C6 does not offer.

  • Choose the LG OLED C6 if you watch Dolby Vision movies, want Dolby Atmos from the built-in 2.2 speakers, or prefer LG's webOS with Google Gemini and Copilot built in.
  • Choose the Samsung S90H if your room has strong window light, you want HDR10+ support, or you need a 42, 48, 77 or 83-inch size.

Prices

  • LG OLED C6 65-inch TV: $899.99 at Amazon (last seen Nov 12)
  • Samsung S90H OLED 4K Smart TV: $1,397.99 at Amazon (last seen Nov 7)
  • Difference: the LG OLED C6 65-inch TV is $498.00 cheaper than the Samsung S90H OLED 4K Smart TV at the latest prices (Nov 7 and Nov 12)
LG
LG OLED C6

LG OLED C6 65-inch TV

LG OLED C6

4.8(3,000 ratings)
$899.99at AmazonChecked Nov 12
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Pros
  • Dolby Vision plus Dolby Atmos covers the widest range of streaming and disc content.
  • Strong 2.2-channel sound reduces the need for a soundbar.
  • Long track record: 4.8 from roughly 3,000 ratings.
  • Four HDMI inputs, VRR and low response time suit consoles and PCs.
  • webOS with Gemini and Copilot makes voice search quick.
Cons
  • No HDR10+ support, so some Samsung and Amazon content loses dynamic metadata.
  • Standard coating reflects more light than the S90H's Glare Free panel.
  • This listing is the 65-inch only; other sizes are separate models.
  • Brightness Booster still trails the brightest QD-OLED and mini-LED sets in a sunlit room.
S
S90H OLED 4K UHD SmartVision AI Smart TV

Samsung S90H OLED 4K Smart TV

S90H OLED 4K UHD SmartVision AI Smart TV

4.8(225 ratings)
$1,397.99at AmazonChecked Nov 7
See all prices and details
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Pros
  • Glare Free 3.0 coating keeps blacks deep in bright rooms.
  • HDR10+ and HDR10+ Advanced cover Amazon and Samsung content that Dolby Vision sets miss.
  • Six sizes from 42 to 83 inches fit small rooms and large walls.
  • 165Hz refresh and four HDMI 2.1 ports favor high-frame-rate PC gaming.
  • Tizen OS works with both Alexa and Google Assistant.
Cons
  • No Dolby Vision, so Dolby Vision discs and streams fall back to HDR10.
  • Only about 225 ratings, a much smaller owner sample than the C6.
  • No ATSC 3.0 tuner for next-gen broadcast.
  • Object Tracking Sound Lite is a step below the C6's 2.2-channel array.

What separates them

LG OLED C6 65-inch TVSamsung S90H OLED 4K Smart TV
HDR formatsDolby Vision, HDR10 and HLGHDR10, HDR10+, HDR10+ Advanced and HLG, no Dolby Vision
Screen coatingStandard anti-reflective finishGlare Free 3.0 coating cuts reflections in bright rooms
Built-in audio2.2 channels with Dolby Atmos and a11 AI Sound ProObject Tracking Sound Lite with Dolby Atmos and AI Sound Controller Pro
Smart platformwebOS 26 with Google Gemini and Microsoft Copilot, 400+ free LG ChannelsTizen OS with Google Assistant and Amazon Alexa
Screen sizes65-inch model in this listing42, 48, 55, 65, 77 and 83 inches
Gaming features120Hz listed refresh, VRR, 0.1ms response, G-Sync and FreeSync Premium165Hz refresh, four HDMI 2.1 ports, Ultimate Gaming Pack
Owner feedback volume4.8 from about 3,000 ratings4.8 from about 225 ratings
Next-gen tunerNot listedNo ATSC 3.0 support

Price history

$1,397.99$818.10
Oct 28Nov 14
  • LG OLED C6 65-inch TV: lowest $818.10 on Nov 2; $899.99 on Nov 14.
  • Samsung S90H OLED 4K Smart TV: lowest $897.99 on Nov 2; $997.99 on Nov 11.

Prices at every store

LG OLED C6 65-inch TV

  • eBayNew

    In stockSold by worldwidestereo

    $1,299.99Free shippingChecked Nov 12
    Visit eBay
  • H-Town's FinestNew

    In stock

    $1,499.99Checked Nov 12
    Visit H-Town's Finest
  • BerríosNew

    In stockShips from Puerto Rico · duties may apply

    $1,495.00+ $104.65 shippingChecked Nov 12
    Visit Berríos
  • AmazonNew

    Availability unknown

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

    $899.99Free shippingChecked Nov 12
    Visit Amazon

Also available at

  • Abt ElectronicsCheck price at Abt Electronics
  • WalmartCheck price at Walmart
  • Best BuyCheck price at Best Buy

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All 4 stores and price history →

Samsung S90H OLED 4K Smart TV

  • AmazonNew

    Availability unknown

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

    $1,397.99Free shippingChecked Nov 7
    Visit Amazon

Also available at

  • Profit LineCheck price at Profit Line

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Prices and history →

Specs compared

SpecLG OLED C6 65-inch TVSamsung S90H OLED 4K Smart TV
Resolution3840 x 21603,840 x 2,160p
High DefinitionYesYes
HDTV Format4K4K
ColorBlackBlack
Screen FormFlatFlat
Display TypeOLEDOLED
Assistant SupportSiriGoogle Assistant, Amazon Alexa
HDRYesYes
Refresh Rate120 Hz165Hz
ConnectivityBluetooth, Wi-Fi, USB, HDMI, Ethernet, Optical …Bluetooth, Wi-Fi, RF, USB, HDMI, Ethernet, Opti…
HDMI Ports4 HDMI ports4x HDMI 2.1
Supported Streaming ServicesNetflix, Prime Video, YouTube, HBO, Disney+Netflix, YouTube, Disney+
Show all 40 specsShow fewer specs
SpecLG OLED C6 65-inch TVSamsung S90H OLED 4K Smart TV
Weight36.6 lb, 45 lb, 47 lb18.3 lb
HDR SupportYes: HDR10/Dolby Vision/Hybrid Log GammaHDR10, HDR10+, HDR10+ Advanced, HLG
Panel TypeOLEDWOLED
CertificationENERGY STAR—
High Dynamic Range (HDR)true—
High Dynamic Range (HDR) TypeDolby Vision, HDR10, HLG—
Screen Size65—
Outdoorfalse—
SeriesOLED evo AI C6 4K (2026)—

What reviewers say

LG OLED C6 65-inch TV

  • 4.8 / 53,000 ratings

Reviewers rate the C6 highly, calling it a strong midrange OLED that improves on its predecessor's brightness. The main complaint is that its Wi-Fi is a step backward from the prior model.

What people mention
  • BrightnessPraisedReviewers say Brightness Booster makes it noticeably brighter than the previous C-series.
  • Wi-FiCriticisedReviewers note the Wi-Fi is a step backward compared with the predecessor.
  • Picture qualityPraisedOwners and reviewers praise the perfect blacks and color from the self-lit OLED panel.
  • GamingPraisedVRR, G-Sync and FreeSync Premium are called out as strong for console and PC gaming.

Samsung S90H OLED 4K Smart TV

  • 4.8 / 5225 ratings

Rated 4.8 out of 5 from 225 ratings, owners are broadly positive about the picture and gaming features. Complaints center on brightness and the missing ATSC 3.0 tuner.

What people mention
  • Picture qualityPraisedOwners praise the deep blacks and contrast of the WOLED panel.
  • GamingPraisedThe 165Hz refresh rate and four HDMI 2.1 ports are called out as a strong gaming package.
  • GlarePraisedThe Glare Free 3.0 coating is said to handle bright rooms better than typical glossy OLEDs.
  • BrightnessMixed
Reviews
  • TV Reviews From Our Experts - PCMag editors select and review products independently
  • TV Reviews From Our Experts
  • The Best 65-Inch TVs for 2026 - PCMag editors select and review products independently
  • Best 65-Inch TVs
  • The Best TVs We've Tested for 2026 - PCMag editors select and review products independently
  • The Best Gaming TVs We've Tested for 2026 - Home theater fans: Besides the great gaming performance and features, the S95H simply looks and

Questions and answers

Which is better for movies?
The LG C6, because it supports Dolby Vision and Dolby Atmos, the formats most streaming services and discs use. The S90H shows those titles in HDR10 instead, which is good but loses some dynamic metadata.
Which handles a bright room better?
The Samsung S90H. Its Glare Free 3.0 coating cuts reflections far more than the C6's standard finish, so daytime viewing holds up better near windows.
Which is better for gaming?
The S90H edges ahead on paper with a 165Hz panel and four HDMI 2.1 ports. The C6 is still a strong gaming set with VRR, G-Sync, FreeSync Premium and a very low response time.
Which lasts longer?
Both use OLED panels that dim over many years of heavy use. LG adds OLED Care to protect the display, and the C6 has a much larger owner base reporting long-term results, so its reliability record is easier to judge.
Is the LG C6 worth stepping up to over the S90H?
Yes if you want Dolby Vision, better built-in sound and a proven track record. Skip the step up if your room is bright or you need a size outside 65 inches.
Do they support the same voice assistants?
The C6 runs webOS with Google Assistant plus Gemini and Copilot built in. The S90H runs Tizen with both Google Assistant and Amazon Alexa.

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Buying guides that pick them

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Smart TV
true
—
Remote Control TypeAI Magic Remote MR26—
Picture Processora11 AI Processor 4K Gen3—
Curved Panelfalse—
Virtual AssistantGoogle Assistant—
Wireless Transmissionfalse—
VRR Supporttrue—
Speaker Channels2.2—
Supported SoundDolby Atmos, a11 AI Sound Pro, LG Sound Sync—
LEDtrue—
Built-In WiFitrue—
Bluetoothtrue—
Number of HDMI Inputs4—
Number of USB Ports2—
Anti-GlareYes—
Width41.8 in wide—
Depth1.8 in deep—
Screen Size Class65 inches—
High Dynamic Range FormatDolby Vision, HDR 10, Hybrid Log-Gamma (HLG)—
Some owners find HDR highlights dimmer than expected compared with QD-OLED sets.
  • Best OLED TVs under $500
  • Best OLED TVs under $400