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LG C5 Series 48" OLED evo TV vs Samsung S90H OLED 4K Smart TV

Both are 48-inch 4K OLEDs with four HDMI ports, and both are rated highly by owners. The LG C5 is the safer pick for movies and mixed use: Dolby Vision support, proven C-series picture processing and G-Sync Compatible plus FreeSync VRR make it a strong all-rounder for a dark room. The Samsung S90H has the edge on motion and gaming headroom with a 165 Hz panel, HDR10+ and Dolby Atmos, but it lacks Dolby Vision. Buy the LG for Dolby Vision films and broad console support; buy the Samsung for high-frame-rate PC gaming and its brighter-sounding spec sheet.

  • Choose the LG C5 if you watch Dolby Vision movies and want the most widely reviewed OLED picture processing at this size.
  • Choose the Samsung S90H if you game at high frame rates on PC or console and want 165 Hz, HDR10+ and Dolby Atmos in one set.

Prices

  • LG C5 Series 48" OLED evo TV: $831.66 at Walmart (last seen Nov 13)
  • Samsung S90H OLED 4K Smart TV: $997.99 at Walmart (checked today)
  • Difference: the LG C5 Series 48" OLED evo TV is $166.33 cheaper than the Samsung S90H OLED 4K Smart TV at the latest prices (Nov 13 and Nov 14)
LG
LG 48" C5 Series 4K UHD OLED evo AI Smart webOS 25 TV

LG C5 Series 48" OLED evo TV

LG 48" C5 Series 4K UHD OLED evo AI Smart webOS 25 TV

4.8(1,558 ratings)
$831.66at WalmartChecked 20 h ago
See all prices and details
Visit Walmart
Pros
  • Dolby Vision support for the widest range of HDR films
  • G-Sync Compatible and FreeSync cover both major GPU brands
  • OLED evo panel with anti-glare coating and true blacks
  • Long C-series track record and a large base of owner reviews
  • Four HDMI ports and Ethernet for wired streaming
Cons
  • 120 Hz panel is slower than the Samsung for high-frame-rate gaming
  • No Dolby Atmos or notable built-in sound upgrade
  • Wi-Fi 5 rather than newer Wi-Fi standards
Samsung
Samsung 48" Class S90H Series OLED 4K UHD Samsung Vision AI Smart Tizen TV 2026 - QN48S90HAEXZA

Samsung S90H OLED 4K Smart TV

Samsung 48" Class S90H Series OLED 4K UHD Samsung Vision AI Smart Tizen TV 2026 - QN48S90HAEXZA

4.9(884 ratings)
$997.99at WalmartChecked 1 h ago
See all prices and details
Visit Walmart
Pros
  • 165 Hz refresh rate suits fast PC and console gaming
  • Dolby Atmos sound built in
  • HDR10+ support for Samsung and Amazon content
  • Tizen with Bixby, Alexa and Google Assistant
  • High owner rating at 4.9
Cons
  • No Dolby Vision, so Dolby Vision discs and streams fall back to HDR10
  • Fewer owner ratings than the LG, so less long-term feedback
  • Wi-Fi spec not stated, so wired or router placement matters more

What separates them

LG C5 Series 48" OLED evo TVSamsung S90H OLED 4K Smart TV
HDR formatsDolby Vision plus HDR10HDR10+ plus HDR10, no Dolby Vision
Refresh rate120 Hz165 Hz
VRRFreeSync and G-Sync CompatibleVRR support, no listed G-Sync certification
AudioStandard stereo, no Dolby Atmos listedDolby Atmos with two speakers
Smart platformwebOS 25 with Netflix, Disney+ and EthernetTizen with Bixby, Alexa and Google Assistant
WirelessWi-Fi 5Wi-Fi not specified in listing
PanelOLED evo, anti-glare, near-infinite contrastOLED, 178-degree viewing angles
Owner ratings4.8 from about 1,558 ratings4.9 from about 884 ratings

Price history

$1,195.93$830.83
Nov 4Nov 14
  • LG C5 Series 48" OLED evo TV: lowest $830.83 on Nov 13 at Walmart; $831.66 on Nov 14.
  • Samsung S90H OLED 4K Smart TV: lowest $997.99 on Nov 12 at PC Richard & Son; $997.99 on Nov 14.

Prices at every store

LG C5 Series 48" OLED evo TV

  • WalmartNew

    In stock

    $831.66Free shippingChecked 20 h ago
    Visit Walmart
  • NeweggNew

    In stock

    $854.14Free shippingChecked 1 h ago
    Visit Newegg
  • eBayNew

    Availability unknownSold by brandsmartusa (99.5% positive, 37,900 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $894.34Free shippingChecked 2 h ago
    Visit eBay
  • Best BuyNew

    Availability unknown

    $926.12Checked Nov 7
    Visit Best Buy

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

All 9 stores and price history →

Samsung S90H OLED 4K Smart TV

  • WalmartNew

    In stock

    $997.99Checked 1 h ago
    Visit Walmart
  • World Wide StereoNew

    In stockReturn policy

    $997.99Checked Nov 13
    Visit World Wide Stereo
  • AmazonNew

    Availability unknown

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

    $997.99Free shippingChecked 1 h ago
    Visit Amazon
  • PC Richard & SonNew

    Availability unknown

    $997.99Checked Nov 12
    Visit PC Richard & Son

Store links may earn us a commission.

All 13 stores and price history →

Specs compared

SpecLG C5 Series 48" OLED evo TVSamsung S90H OLED 4K Smart TV
colorBlackGray
Screen size48 inch48 in
Resolution3,840 by 2,1604K UHD (2160p)
Refresh rate120165 Hz
Display TypeOLEDOLED
HDTV Format4K UHD4K
DisplayOLEDOLED
BrandLGSamsung
Television typeOLED TVsOLED TVs
Smart techYY
StreamersApple+Netflix
PlatformwebOSTizen
Show all 40 specsShow fewer specs
SpecLG C5 Series 48" OLED evo TVSamsung S90H OLED 4K Smart TV
Virtual asst.Google Assistant, AlexaBixby, Alexa
HDMI number44
Mount typeFreestanding, Wall MountFreestanding
High dynamic range formatDolby Vision, HDR10, HLGHDR10+
Sound technologyDolby AtmosDolby Atmos
Color categoryBlackBlack
ManufacturerLGSAMSUNG ELECTRONICS AMERICA
Horizontal viewing angle178 º178 º
Vertical viewing angle178 º178 º

What reviewers say

LG C5 Series 48" OLED evo TV

  • 4.8 / 51,558 ratings

Rated 4.8 out of 5 from 1,558 ratings, the C5 is well received for its picture and gaming features. Owners treat it as a strong small-room OLED. Bright-room performance and the 48-inch size are the usual reservations.

What people mention
  • Picture qualityPraisedOwners praise the deep blacks and contrast that OLED delivers.
  • GamingPraisedReviewers like the 120Hz panel, VRR and four HDMI 2.1 ports for consoles.
  • BrightnessMixedSome find it bright enough for most rooms, others say it struggles in direct sunlight.
  • SizeMixedBuyers like the 48-inch size for small rooms but some wish it were larger.

Samsung S90H OLED 4K Smart TV

  • 4.9 / 5884 ratings

Owners rate the S90H very highly across 884 ratings, and the praise centers on picture quality, contrast and ease of setup. Complaints are few and mostly about sound and brightness in bright rooms.

What people mention
  • Picture qualityPraisedOwners describe deep blacks, strong contrast and rich color from the OLED panel.
  • SoundCriticisedReviewers find the two built-in speakers weak and recommend a soundbar.
  • BrightnessMixedThe picture is bright enough for most rooms but can look dim in strong daylight.
Reviews
  • 65-inch LG C5 OLED TV is now cheaper than entry-level B5 OLED at less than $1,000 - Deal | 65-inch LG C5 OLED TV is now cheaper than entry-l
  • LG 48-Inch Evo C5 OLED TV

Questions and answers

Which is better for movies?
The LG C5, because it supports Dolby Vision, which most 4K Blu-rays and many streaming titles use. The Samsung shows those titles in HDR10 instead, which is good but less precise in bright highlights.
Which is better for gaming?
The Samsung S90H has the higher 165 Hz refresh rate, which helps on a fast PC. The LG C5 counters with G-Sync Compatible and FreeSync certification, so it is the easier match for both Nvidia and AMD graphics cards.
Does the Samsung have Dolby Vision?
No. Samsung has long backed HDR10+ instead, so Dolby Vision content plays in standard HDR10 on the S90H.
Which lasts longer?
Neither has a published lifespan advantage. Both use OLED panels, which can dim over many years of static content; the LG has the larger pool of long-term owner reports, while the Samsung is a newer 2026 model with less track record.
Is the Samsung worth stepping up to over the LG?
Only if high-frame-rate gaming or built-in Dolby Atmos matters most to you. For Dolby Vision films and broad console compatibility, the LG C5 is the more complete set.
Do both fit the same wall mount?
Both are 48-inch flat panels that accept standard VESA mounts for that size class. Check the exact VESA pattern for each model before buying a bracket.

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Buying guides that pick them

  • Best 48-inch OLED TVs
  • Best 48-inch HDR TVs
Video streaming quality
4K Ultra HD
4K Ultra HD
Number of speakers22
Input/output typeWirelessHDMI
Inputs & outputsInputs - USB, RJ-45 & Outputs - HDMIHDMI
Panel typeOLED—
HDMI ports4—
HDR supportDolby Vision—
VRR supportFreeSync—
G-Sync supportG-Sync Compatible—
Screen brightness944—
Wi-FiWi-Fi 5—
Dimensions42.2"W x 1.8"D x 24.4"H—
Product weight45.2 lbs—
Network FunctionalitySmart TV, Streaming—
Supported Resolutions4K—
Backlight TechnologyOLED—
Display HighlightsHDR—
Anti-GlareYes—
Max Resolution V-SyncVRR—
Setup
Praised
Buyers say it is quick to set up and the Tizen menus are easy to navigate.