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Deal.ai › Compare

LG OLED evo AI C5 65-inch 4K TV vs Samsung S90D OLED 4K TV

The LG C5 is the better all-round TV for most people: a 65-inch OLED evo panel with four full 48Gbps HDMI 2.1 ports, 144Hz support, Dolby Vision and a bundled multi-year protection plan. The Samsung S90D is a strong OLED with brighter highlights and a clean Tizen interface, but it is smaller here and its spec sheet is inconsistent on size and panel details. Buy the LG for a bright living room, console gaming and long-term peace of mind; buy the Samsung if you want a slightly punchier picture and prefer Tizen.

  • Choose the LG C5 if you want the larger 65-inch OLED, four HDMI 2.1 ports, Dolby Vision and a bundled protection plan.
  • Choose the Samsung S90D if you prefer Samsung's Tizen platform and slightly brighter OLED highlights and the smaller size fits your room.

Prices

  • LG OLED evo AI C5 65-inch 4K TV: $800.00 at EVASH (checked today)
  • Samsung S90D OLED 4K TV: $1,266.90 at Ysvara Lifestyle (last seen Oct 31)
  • Difference: the LG OLED evo AI C5 65-inch 4K TV is $466.90 cheaper than the Samsung S90D OLED 4K TV at the latest prices (Oct 31 and Nov 11)
LG
LG 65-inch OLED evo AI C5 4K Smart TV Bundle

LG OLED evo AI C5 65-inch 4K TV

LG 65-inch OLED evo AI C5 4K Smart TV Bundle

$800.00at EVASHChecked 4 h ago
See all prices and details
Visit EVASH
Pros
  • 65-inch OLED evo panel with near-infinite contrast
  • Four full 48Gbps HDMI 2.1 ports for consoles and PCs
  • Dolby Vision plus Dolby Vision game mode
  • 144Hz refresh with VRR and ALLM
  • Bundled multi-year protection plan
Cons
  • OLED brightness is lower than the brightest QD-OLED sets in a sunlit room
  • webOS carries more promoted content than Tizen
  • Larger panel needs more wall space
Samsung
Samsung 55" S90D 4K Smart TV

Samsung S90D OLED 4K TV

Samsung 55" S90D 4K Smart TV

$1,266.90at Ysvara LifestyleChecked Oct 31
See all prices and details
Visit Ysvara Lifestyle
Pros
  • QD-OLED panel with strong color volume and punchy highlights
  • Tizen is fast and simple to navigate
  • Google Assistant and Alexa built in
  • Good gaming feature set with Motion Xcelerator
Cons
  • No Dolby Vision support
  • Not all HDMI ports are full 48Gbps
  • Listing states both 55 and 83 inches, so confirm the size before buying
  • No bundled protection plan

What separates them

LG OLED evo AI C5 65-inch 4K TVSamsung S90D OLED 4K TV
Screen size65 inches55 inches (listing also states 83 inches, which is inconsistent)
PanelOLED evo (WOLED), self-emissiveQD-OLED, Pantone-validated color
HDR formatsHDR10, HLG, Dolby VisionHDR10, HLG, HDR10+; no Dolby Vision
HDMI 2.1 ports4 ports at 48Gbps, all HDMI 2.14 ports, but not all are full 48Gbps
Max refresh144Hz with VRR and ALLM120Hz native; 144Hz only with compatible PC input
Gaming features4K/144Hz, VRR, ALLM, Dolby Vision game mode, HGiGMotion Xcelerator, VRR, ALLM, Game Bar
Smart platformwebOS with ThinQ AI, Wi-Fi 6ETizen with Google Assistant and Alexa built in
In the boxBundled Allstate 3-year protection planTV and stand only

Price history

$1,219.42$1,098.00
Oct 30Nov 9
  • LG OLED evo AI C5 65-inch 4K TV: lowest $1,219.42 on Nov 9 at Walmart.
  • Samsung S90D OLED 4K TV: lowest $1,098.00 on Oct 30; $1,148.00 on Nov 3.

Prices at every store

LG OLED evo AI C5 65-inch 4K TV

  • EVASHNew

    In stockReturn policy

    $800.00Checked 4 h ago
    Visit EVASH
  • WalmartNew

    In stock

    $1,219.42Free shippingChecked Nov 9
    Visit Walmart
  • Best BuyNew

    In stock

    $1,499.99Free shippingChecked Nov 9
    Visit Best Buy
  • AmazonNew

    Availability unknown

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

    $1,299.95Free shippingChecked Nov 9
    Visit Amazon

Store links may earn us a commission.

All 6 stores and price history →

Samsung S90D OLED 4K TV

  • TCU Campus StoreNew

    In stock

    $1,289.99Checked Nov 9
    Visit TCU Campus Store
  • Ysvara LifestyleNew

    Availability unknown

    $1,266.90Checked Oct 31
    Visit Ysvara Lifestyle
  • Coles ComputersNew

    Availability unknown

    $1,499.99Checked Nov 3
    Visit Coles Computers
  • Creation NetworksNew

    Availability unknown

    $2,199.99Checked Nov 3
    Visit Creation Networks

Also available at

  • University of Iowa Hawk Shop and University BookstoreCheck price at University of Iowa Hawk Shop and University Bookstore
  • Clermont College BookstoreCheck price at Clermont College Bookstore
  • University of Wisconsin - River Falls Bookstore/Falcon ShopCheck price at University of Wisconsin - River Falls Bookstore/Falcon Shop
All 5 stores and price history →

Specs compared

SpecLG OLED evo AI C5 65-inch 4K TVSamsung S90D OLED 4K TV
Display TypeOLEDOLED
Resolution4K3840 x 2160
HDTV Format4K UHD4K
Refresh Rate144Hz120 Hz
Screen size65 inches83 inches
Network FunctionalitySmart TV, Streaming—
Supported Resolutions4K—
Backlight TechnologyOLED—
Display HighlightsHDR—
Anti-GlareYes—
Max Resolution V-SyncVRR—
Display Aspect Ratio16:9—
Show all 38 specsShow fewer specs
SpecLG OLED evo AI C5 65-inch 4K TVSamsung S90D OLED 4K TV
Dynamic Contrast RatioInfinite contrast—
Image Contrast RatioNear-infinite—
Viewing AngleWide—
Menu LanguageSpanish, English, French—
Color TemperatureYes—
Smart TVYes—
HDMI Ports4—
Internet Streaming ServicesNetflix, Disney+—
Network ConnectivityEthernet—
Video Interface

What reviewers say

LG OLED evo AI C5 65-inch 4K TV

Owners and reviewers rate the C-series highly for picture quality and gaming features, and the C5 is generally seen as a modest year-over-year step rather than a reinvention. Praise centers on contrast, HDMI 2.1 gaming and webOS; complaints focus on brightness in bright rooms and the risk of burn-in with static content.

What people mention
  • Picture contrastPraisedOwners say dark scenes look deep and detailed with no blooming around bright objects.
  • BrightnessCriticisedReviewers note it dims highlights compared with Mini-LED and QD-OLED sets in sunlit rooms.
  • GamingPraisedPlayers praise the four HDMI 2.1 ports, VRR and low lag at 120Hz and 144Hz.
  • Burn-inMixedSome long-term owners worry about logos and tickers leaving marks; most see none with varied viewing.

Samsung S90D OLED 4K TV

Owners of the S90D generally praise the picture, especially blacks and contrast, and find it a strong value among OLED TVs. Complaints center on brightness in bright rooms, image retention worries, and sound quality.

What people mention
  • Picture qualityPraisedOwners describe deep blacks, strong contrast and vivid color.
  • BrightnessMixedFine in dim rooms, but some find it dimmer than QD-OLED and Mini-LED sets in bright rooms.
  • Burn-inCriticisedSome owners worry about image retention from news tickers, logos and game HUDs.
  • SoundCriticisedBuilt-in speakers are called thin, so many buyers add a soundbar.

Questions and answers

Which is better for gaming, the LG C5 or the Samsung S90D?
The LG C5. It has four full 48Gbps HDMI 2.1 ports, 144Hz support, VRR, ALLM and Dolby Vision game mode. The S90D tops out at 120Hz natively and only reaches 144Hz with a compatible PC.
Does the Samsung S90D support Dolby Vision?
No. It supports HDR10, HLG and HDR10+. The LG C5 adds Dolby Vision, which matters for Dolby Vision content on Netflix and Disney+.
Which has the better picture in a bright room?
The Samsung S90D's QD-OLED panel generally pushes brighter highlights and more saturated color. The LG C5 wins on contrast and viewing angle but is dimmer overall.
Is the LG C5 worth stepping up to over the S90D?
If you want a larger screen, four full HDMI 2.1 ports, Dolby Vision and a bundled protection plan, yes. If you mainly watch SDR and HDR10 content in a bright room, the S90D is a close rival.
Which smart TV platform is easier to use?
Tizen on the Samsung is simpler and less cluttered. LG's webOS is also fast and has strong voice control, but it shows more promoted content on the home screen.
Which lasts longer?
Both use self-emissive OLED panels with similar lifespans. The LG C5 includes a bundled multi-year protection plan, which gives it an edge on long-term coverage.

Ask our shopping agent

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More comparisons

  • LG 65-inch OLED evo AI C5 4K Smart TV Bundle vs Sony 65" Bravia A75L 4K UHD OLED 120Hz Dolby Vision Google TV Smart TV (XR65A75L)
  • LG 65-inch OLED evo AI C5 4K Smart TV Bundle vs Samsung Class 4K OLED Smart TV
  • Samsung 55" S90D 4K Smart TV vs Samsung Class 4K OLED Smart TV
  • Samsung 55" S90D 4K Smart TV vs LG OLED65C5 (2025) 65-inch OLED evo 4K Smart TV
  • Samsung 55" S90D 4K Smart TV vs Sony 65" Bravia A75L 4K UHD OLED 120Hz Dolby Vision Google TV Smart TV (XR65A75L)

Buying guides that pick them

  • Best 65-inch OLED TVs under $1,000
HDMI
—
PC InterfaceHDMI—
CEC EnabledYes—
Expansion SlotsCommon Interface (CI) slot—
Panel typeOLED (WOLED)—
HDR formatsHLG, HDR10, Dolby Vision—
HDMI inputsx4 (4 x 48Gbps HDMI 2.1)—
Gaming features4K/120Hz, 4K/144Hz, VRR, ALLM, Dolby Vision gam…—
High Definition—Yes
Color—Black
Screen Form—Flat
Assistant Support—Google Assistant, Amazon Alexa
HDR—Yes
Connectivity—Bluetooth, Wi-Fi, USB, HDMI, Ethernet
Supported Streaming Services—Netflix
With Energy Saving Mode—Yes
Weight—114.9 lb