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Samsung 55" S90F OLED 4K TV vs LG OLED evo C4 65-Inch 4K Smart TV

The LG C4 is the better pick for most people: it is a size larger, supports Dolby Vision and Dolby Atmos, and its Alpha 9 Gen7 processor is widely praised for upscaling and motion. The Samsung S90F uses QD-OLED, which reviewers say gives it stronger color volume and higher peak brightness in highlights, and it has an anti-glare coating the C4 lacks. Both are 120 Hz OLEDs with four HDMI ports and strong owner ratings; choose the Samsung for a brighter, punchier picture in a bright room, and the LG for size, Dolby Vision content and sound.

  • Choose the Samsung S90F if you want the brightest, most saturated QD-OLED picture and an anti-glare screen in a 55-inch size.
  • Choose the LG C4 if you want a larger 65-inch screen with Dolby Vision, Dolby Atmos and the well-regarded Magic Remote.

Prices

  • Samsung 55" S90F OLED 4K TV: $1,132.59 at Kijero (last seen Oct 30)
  • LG OLED evo C4 65-Inch 4K Smart TV: $1,158.22 at Newegg.com (last seen Nov 6)
  • Difference: the Samsung 55" S90F OLED 4K TV is $25.63 cheaper than the LG OLED evo C4 65-Inch 4K Smart TV at the latest prices (Oct 30 and Nov 6)
Samsung
Samsung 55" S90F OLED 4K Smart TV

Samsung 55" S90F OLED 4K TV

Samsung 55" S90F OLED 4K Smart TV

4.6(1,900 ratings)
$1,132.59at KijeroChecked Oct 30
See all prices and details
Visit Kijero
Pros
  • QD-OLED delivers high color volume and vivid highlights
  • Anti-glare screen handles bright rooms better
  • 120 Hz panel with four HDMI ports suits consoles
  • Strong owner rating across a large number of reviews
Cons
  • No Dolby Vision
  • Smaller 55-inch screen
  • No Dolby Atmos support listed
LG
LG 65-Inch Class OLED evo C4 Series 4K Smart TV with Magic Remote (OLED65C4PUA, 2024)

LG OLED evo C4 65-Inch 4K Smart TV

LG 65-Inch Class OLED evo C4 Series 4K Smart TV with Magic Remote (OLED65C4PUA, 2024)

4.6(574 ratings)
$1,158.22at Newegg.comChecked Nov 6
See all prices and details
Visit Newegg.com
Pros
  • 65-inch screen for a more cinematic image
  • Dolby Vision and Dolby Atmos for home theater
  • Alpha 9 Gen7 processor with strong upscaling
  • Magic Remote is easy to point and navigate
Cons
  • Glossy finish reflects more light
  • Lower peak brightness than QD-OLED rivals
  • Only two built-in speakers

What separates them

Samsung 55" S90F OLED 4K TVLG OLED evo C4 65-Inch 4K Smart TV
Screen size55 inches65 inches
Panel technologyQD-OLED with quantum dotsOLED evo (WOLED) with Brightness Booster
HDR formatsHDR10+ and HLG; no Dolby VisionDolby Vision, HDR10 and HLG
Anti-glareAnti-glare coatingStandard glossy finish
SoundBuilt-in speakers, no Dolby Atmos listedDolby Atmos with 2 speakers
ProcessorSamsung NQ4 AI processor with 4K upscalingAlpha 9 AI Processor Gen7 with AI Super Upscaling
Smart platform and remoteTizen with SolarCell remotewebOS 24 with Magic Remote (NFC)
Gaming120 Hz, 4 HDMI ports, ALLM and VRR120 Hz, 4 HDMI ports, G-Sync and FreeSync support

Price history

$2,499.99$649.99
Oct 28Nov 11
  • Samsung 55" S90F OLED 4K TV: lowest $1,132.59 on Oct 29 at Kijero; $1,197.99 on Nov 11.
  • LG OLED evo C4 65-Inch 4K Smart TV: lowest $649.99 on Nov 1; $1,980.99 on Nov 11.

Prices at every store

Samsung 55" S90F OLED 4K TV

  • Nawara Brothers Home StoreNew

    In stock

    $1,199.99+ $79.00 shippingChecked Nov 10
    Visit Nawara Brothers Home Store
  • KijeroNew

    Availability unknown

    $1,132.59Checked Oct 30
    Visit Kijero
  • AmazonNew

    Availability unknown

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

    $1,197.99Free shippingChecked Nov 10
    Visit Amazon
  • WalmartNew

    Availability unknown

    $1,197.99Checked Oct 30
    Visit Walmart

Store links may earn us a commission.

All 15 stores and price history →

LG OLED evo C4 65-Inch 4K Smart TV

  • WalmartNew

    In stockSold by Beach CameraReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $1,269.00Checked 4 h ago
    Visit Walmart
  • WalmartNew

    In stock

    $1,278.90Free shippingChecked Nov 10
    Visit Walmart
  • DirectDialNew

    In stock

    $2,177.00+ $100.00 shippingChecked Nov 8
    Visit DirectDial
  • Newegg.comNew

    Availability unknown

    $1,158.22Checked Nov 6
    Visit Newegg.com

Also available at

  • appliancepartstoreCheck price at appliancepartstore
All 5 stores and price history →

Specs compared

SpecSamsung 55" S90F OLED 4K TVLG OLED evo C4 65-Inch 4K Smart TV
Resolution3840 x 21604K (2160P)
CEC EnabledYesYes (Simplink (HDMI CEC))
HDTV Format4K4K UHD
ColorBlackSilver
Display TypeOLEDOLED
HDRYesYes
Refresh Rate120 Hz120 Hz
Anti-GlareYesNo
Width48.2 in wide56.7
Screen Size55 inches65 in
HDMI Ports4 HDMI ports4
High DefinitionYes—
Show all 40 specsShow fewer specs
SpecSamsung 55" S90F OLED 4K TVLG OLED evo C4 65-Inch 4K Smart TV
Screen FormFlat—
Assistant SupportGoogle Assistant, Amazon Alexa—
ConnectivityBluetooth, Wi-Fi, RF, USB, HDMI, Ethernet, Opti…—
Supported Streaming ServicesNetflix, Prime Video, YouTube, Spotify, Disney+—
With Energy Saving ModeYes—
With V-ChipYes—
Country Of ManufactureMexico—
Depth1.6 in deep—
Weight35.3 lb—

What reviewers say

Samsung 55" S90F OLED 4K TV

  • 4.6 / 51,900 ratings

Ratings are strong at 4.6 out of 5 from about 1,900 buyers. Owners mostly praise the picture, especially blacks and color, and the gaming features. Complaints center on brightness in bright rooms and the risk of burn-in.

What people mention
  • Picture qualityPraisedOwners say blacks are deep and colors look rich, a clear step up from LED sets.
  • BrightnessMixedFine in dim rooms, but some find it dimmer than expected in daylight.
  • GamingPraised120 Hz and four HDMI ports make console gaming smooth and easy to hook up.
  • Burn-inCriticisedSome owners worry about static logos and news tickers leaving marks.

LG OLED evo C4 65-Inch 4K Smart TV

  • 4.6 / 5574 ratings

Owners rate the C4 highly, at 4.6 out of 5 from 574 ratings, praising its picture and blacks. Complaints center on brightness in bright rooms and built-in sound.

What people mention
  • Picture qualityPraisedOwners say blacks are deep and colors look accurate.
  • BrightnessMixedSome find it dim in bright rooms, while others say it is fine in a dark room.
  • SoundCriticisedReviewers say the two built-in speakers are weak and a soundbar helps.
  • GamingPraised
Reviews
  • Best 4K TV for 2026 - CNET

Questions and answers

Which is better for a bright living room?
The Samsung S90F. Its QD-OLED panel reaches higher brightness and its anti-glare coating cuts reflections. The LG C4 is dimmer and glossier, so it suits a darker room better.
Which has better picture quality?
They are close. The Samsung wins on color volume and highlight brightness; the LG wins on Dolby Vision support and accurate cinematic modes like FILMMAKER MODE. Most viewers will be happy with either.
Is the LG C4 worth stepping up to over the Samsung?
If you want a bigger 65-inch screen and Dolby Vision and Atmos, yes. If you sit close or have a bright room, the Samsung's brighter QD-OLED panel may matter more than the extra size.
Which is better for gaming?
Both are 120 Hz OLEDs with four HDMI ports and low input lag. The LG C4 adds certified G-Sync and FreeSync support, which helps PC gamers; the Samsung covers the console basics well.
Which lasts longer?
Both use self-lit OLED pixels with similar panel life. OLED can dim static logos over time, and both brands include pixel-shift and logo-dimming features. Neither has a clear durability edge.
Do I need a soundbar with either?
The LG C4 has Dolby Atmos but only two speakers, so a soundbar still helps. The Samsung S90F has weaker built-in audio, so a soundbar is more worthwhile there.

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Buying guides that pick them

  • Best OLED TVs under $1,500
  • Best OLED TVs under $1,500 for the living room
  • Best OLED TVs under $1,500 for a living room
  • Best 65 inch OLED TVs under $1,500
  • Best 55-65 inch OLED TVs under $1,500
Display
—
OLED
Brand—LG
Television type—OLED TVs
Smart tech—Y
Tv features—Bluetooth, High Dynamic Range
Platform—WebOS 24
HDMI number—4
Mount type—Freestanding
High dynamic range format—Dolby Vision, HDR10, HLG
Sound technology—Dolby Atmos
Color category—Silver
Manufacturer—LG
Horizontal viewing angle—178 degrees
Vertical viewing angle—178 degrees
Video streaming quality—4K Ultra HD
Brightness—250 nt
Number of speakers—2
Input/output type—HDMI
Inputs & outputs—HDMI
Buyers like the 120 Hz panel and four HDMI ports for consoles.
  • Best OLED TVs under $1,500 for living room movie and streaming use
  • Best OLED TVs under $1500 for living rooms
  • Best OLED TVs under $1,500 for movies