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Samsung U8000H Crystal UHD 4K TV (55") vs Onn 65-Inch 4K Roku Smart TV

Buy the Samsung U8000H if you want the better picture processing, HDR10+ support and a mature smart platform in a 55-inch size. Buy the Onn 65-inch if screen size matters most and you mostly stream on Roku. The Samsung wins on build reputation, panel processing and app polish; the Onn wins on sheer size and a simple, fast interface. Owners of the Onn praise picture and setup but flag the remote and leg installation, while Samsung's U8000 series carries a long record of reliability.

  • Choose the Samsung U8000H if you sit closer than about 8 feet, want HDR10+ and a smoother, better-processed picture, or prefer Tizen with Samsung TV Plus and Gaming Hub.
  • Choose the Onn 65-inch if you sit farther back, want the biggest screen for a living room, and are happy with Roku's straightforward interface.

Prices

  • Samsung U8000H Crystal UHD 4K TV (55"): $248.00 at Walmart (checked today)
  • Onn 65-Inch 4K Roku Smart TV: $258.00 at Walmart (checked today)
  • Difference: the Samsung U8000H Crystal UHD 4K TV (55") is $10.00 cheaper than the Onn 65-Inch 4K Roku Smart TV today
Samsung
Samsung 55" Class U8000H Series Crystal UHD 4K UHD Smart Tizen TV 2026

Samsung U8000H Crystal UHD 4K TV (55")

Samsung 55" Class U8000H Series Crystal UHD 4K UHD Smart Tizen TV 2026

4.4(5,932 ratings)
$248.00at WalmartVerified
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Pros
  • Sharper upscaling and better contrast from the Crystal Processor 4K
  • HDR10+ support improves tone mapping on compatible content
  • Tizen is fast and carries Samsung TV Plus and Gaming Hub
  • Slim build and 200x200 VESA mount make wall mounting easy
  • Strong durability reputation for the Samsung TV line
Cons
  • 60 Hz panel, so no 120 Hz gaming
  • 20 W audio is modest; a soundbar helps
  • Only one USB port
  • 55 inches may feel small at long viewing distances
Onn
Onn 65-Inch Class 4K Roku Smart TV

Onn 65-Inch 4K Roku Smart TV

Onn 65-Inch Class 4K Roku Smart TV

$258.00at WalmartObserved at 4:18 AM
See all prices and details
Visit Walmart

Store links may earn us a commission. Price via Klarna.

Pros
  • Big 65-inch screen for a room-filling picture
  • Roku OS is quick, simple and easy to set up
  • Wide app support including Netflix, Hulu, Disney+ and Spotify
  • Optical audio and AUX outputs suit older soundbars
  • Owners consistently praise picture clarity
Cons
  • No HDR10+ or HLG listed, so HDR is basic
  • Remote is not a voice remote
  • Some units arrive damaged in shipping
  • Leg installation can be awkward
  • Fewer picture-processing features than the Samsung

What separates them

Samsung U8000H Crystal UHD 4K TV (55")Onn 65-Inch 4K Roku Smart TV
Screen size55 inches65 inches
HDR formatsHDR10, HDR10+, HLGHDR only, no HDR10+ or HLG listed
Picture processingCrystal Processor 4K with Samsung's upscalingBasic 4K LED processing
Smart platformTizen, with Samsung TV Plus and Gaming HubRoku OS, with the Roku Channel and major apps
Audio20 W, 2.0 channelBuilt-in speakers, wattage not specified
Ports3 HDMI, 1 USB, Ethernet, optical via adapter3 HDMI, USB, Ethernet, optical audio, AUX
Build and reliability recordSamsung rated highly for durability; slim designOwners report solid picture but some shipping damage and fiddly legs
Voice assistantsGoogle Assistant and Alexa built inWorks with Google Assistant and Alexa, voice remote not included

Price history

$258.00$247.99
Nov 7Nov 9
  • Samsung U8000H Crystal UHD 4K TV (55"): lowest $247.99 on Nov 7 at Abt Electronics; $247.99 on Nov 9.
  • Onn 65-Inch 4K Roku Smart TV: lowest $258.00 on Nov 8 at Walmart; $258.00 on Nov 9.

Prices at every store

Samsung U8000H Crystal UHD 4K TV (55")

  • WalmartNew

    In stock

    $248.00Verified
    Visit Walmart
  • Abt ElectronicsNew

    In stock

    $247.99+ $45.95 shippingVerified
    Visit Abt Electronics
  • Abt Electronics & AppliancesNew

    In stock

    $247.99+ $45.95 shippingObserved at 4:18 AM
    Visit Abt Electronics & Appliances
  • Mt Vernon TV & ApplianceNew

    In stock

    $249.00+ $75.00 shippingObserved at 4:18 AM
    Visit Mt Vernon TV & Appliance

Also available at

  • WalmartCheck price at Walmart

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

All 13 stores and price history →

Onn 65-Inch 4K Roku Smart TV

  • WalmartNew

    In stock

    $258.00Free shippingObserved at 4:18 AM
    Visit Walmart
  • eBayNew

    In stock

    $486.00Free shippingObserved at 4:18 AM
    Visit eBay
  • eBayPre-owned

    Availability unknownSold by terrspe_7747 (100% positive, 9 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $75.00+ $101.14 shippingVerified
    Visit eBay
  • eBayNew

    Availability unknownSold by vipoutlet (97.2% positive, 1,000,000 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $265.00Free shippingVerified
    Visit eBay

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

All 2 stores and price history →

Specs compared

SpecSamsung U8000H Crystal UHD 4K TV (55")Onn 65-Inch 4K Roku Smart TV
screen_size55 in65 in
colorBlackBlack
Refresh rate60 Hz60 Hz
HDMI ports33 HDMI ports
Resolution3840 x 21603840 x 2160
High DefinitionYesYes
HDTV Format4K4K
Screen FormFlatFlat
Display TypeLEDLED
Assistant SupportGoogle Assistant, Amazon AlexaGoogle Assistant, Amazon Alexa
HDRYesYes
ConnectivityBluetooth, Wi-Fi, RF, USB, HDMI, EthernetBluetooth, Wi-Fi, USB, HDMI, Ethernet, AUX, Opt…
Show all 32 specsShow fewer specs
SpecSamsung U8000H Crystal UHD 4K TV (55")Onn 65-Inch 4K Roku Smart TV
Supported Streaming ServicesNetflix, Prime Video, YouTube, Disney+Hulu, Netflix, Spotify, HBO, Disney+, Roku
Screen resolution4K, 3840 x 2160 pixels—
HDR formatsHDR10, HDR10+, HLG—
Picture processorCrystal Processor 4K—
Speaker output20 W—
Speaker configuration2.0 Channel—
USB ports1—
Weight without stand6.5 kg—
Dimensions1224.6 (W) x 707.8 (H) x 76.6 (D) mm—

What reviewers say

Samsung U8000H Crystal UHD 4K TV (55")

  • 4.4 / 55,932 ratings

With 4.4 out of 5 from 5,932 ratings, owners mostly see the U8000H as a lot of 4K TV for the money. Praise centers on picture quality, easy setup and the Tizen apps. Complaints tend to be about sound and motion blur.

What people mention
  • Picture qualityPraisedOwners call the 4K picture crisp with good color for the price.
  • SoundCriticisedReviewers find the 20 W speakers thin and often add a soundbar.
  • MotionMixedSome notice blur on sports and fast action at 60 Hz; others don't mind.
  • SetupPraisedBuyers say it is quick to set up and the Tizen menus are easy to follow.

Onn 65-Inch 4K Roku Smart TV

Owner feedback on Onn's 65-inch 4K Roku TV centers on value: people are happy to get a big 4K screen for very little money and like the Roku interface. Complaints tend to be about picture quality and sound, which are basic compared with name-brand sets.

What people mention
  • Picture qualityMixedOwners call the 4K picture fine for the price but note limited brightness and contrast.
  • ValuePraisedBuyers repeatedly say the size-to-price ratio is the main reason to get it.
  • SoundCriticisedThe built-in speakers are described as weak, with many owners adding a soundbar.
  • Roku interfacePraisedThe Roku home screen and app selection are called easy to use.

Questions and answers

Which is better for a bright living room?
The Onn's larger 65-inch screen fills a bright room better, but the Samsung handles HDR highlights and upscaling more cleanly. If glare and size matter most, pick the Onn; if picture quality at 55 inches is enough, pick the Samsung.
Which lasts longer?
Samsung has the stronger durability reputation across its TV line, and the U8000H is a simpler 60 Hz LED set with fewer failure points. The Onn is well liked, but owners report more shipping damage and assembly issues.
Is the Samsung worth stepping up to over the Onn?
Yes if you want HDR10+, better upscaling, built-in voice assistants and a faster platform. The Onn's advantage is size, not features.
Which is better for gaming?
Both are 60 Hz, so neither suits high-frame-rate console gaming. The Samsung adds Gaming Hub for cloud gaming without a console, which the Onn lacks.
Do both work with Alexa and Google Assistant?
Both list support for Google Assistant and Alexa. The Samsung has them built into the TV; the Onn relies on the Roku platform and usually needs a separate voice remote or device.
Which is easier to set up?
The Onn's Roku setup is quick and guided, though some owners find the legs fiddly. The Samsung's Tizen setup is also straightforward and its slim stand is simple to attach.

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Operating systemTizen—
Refresh Rate (Hz)60—
Smart TVYes—
Release Year2026—
VESA-Measurements200x200 mm—
VESA-MountYes—
Weight (without legs) (lb)21.8—
Weight (without legs) (kg)9.9—
Weight—29.8 lb, 45.2 lb, 49.8 lb
Display Technology—HD LED
Maximum Resolution—2160p (4K)