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Samsung M70HB Mini LED 4K TV (55") vs TCL S55LR 55" 4K Roku TV

Buy the Samsung M70HB if picture quality matters most: Mini LED with full-array local dimming gives deeper blacks and brighter highlights than the TCL's direct-lit LED, and Tizen carries more apps and free channels. The TCL S55LR is the simpler, cheaper-feeling set with Roku's easy interface, three HDMI ports and Auto Game Mode, but it is a basic 60Hz panel with no local dimming. Reviewers rate the Samsung higher (4.3 from over 3,600 ratings versus 4.1 from 41), so the Samsung is the safer pick for a main living-room TV.

  • Choose the Samsung M70HB if you want the best picture of the two, a bright Mini LED panel with real local dimming, and a full smart platform with gaming and free channels.
  • Choose the TCL S55LR if you want a straightforward Roku TV with three HDMI inputs and low-lag game mode for casual watching and console play.

Prices

  • Samsung M70HB Mini LED 4K TV (55"): $298.00 at Walmart (last seen Nov 13)
  • TCL S55LR 55" 4K Roku TV: $239.99 at Best Buy (last seen Nov 13)
  • Difference: the TCL S55LR 55" 4K Roku TV is $58.01 cheaper than the Samsung M70HB Mini LED 4K TV (55") at the latest prices (Nov 13)
Samsung
Samsung 55” Class M70HB Series Mini LED 4K UHD Samsung Vision AI Companion Smart Tizen TV 2026

Samsung M70HB Mini LED 4K TV (55")

Samsung 55” Class M70HB Series Mini LED 4K UHD Samsung Vision AI Companion Smart Tizen TV 2026

4.3(3,632 ratings)
$298.00at WalmartChecked Nov 13
See all prices and details
Visit Walmart
Pros
  • Mini LED backlight with local dimming for strong contrast
  • Bright, saturated color from Pure Spectrum Color
  • Tizen with Gaming Hub and a large free channel lineup
  • Built-in Alexa and Google Assistant
  • Large, established owner base with solid ratings
Cons
  • Listed 50Hz refresh rate undersells its motion claims
  • Fewer HDMI ports than the TCL
  • Mini LED dimming can show blooming around bright objects
  • Heavier than the TCL at the largest listed weight
TCL
TCL 55” Class S55LR Series 4K HDR LED Smart Roku TV (New 2026) - 55S55LR

TCL S55LR 55" 4K Roku TV

TCL 55” Class S55LR Series 4K HDR LED Smart Roku TV (New 2026) - 55S55LR

4.1(41 ratings)
$239.99at Best BuyChecked Nov 13
See all prices and details
Visit Best Buy
Pros
  • Roku OS is simple to learn and well stocked with apps
  • Three HDMI inputs, one with eARC
  • Auto Game Mode cuts input lag for consoles
  • Works with Google, Alexa and Apple HomeKit
  • Bezel-less FullView metal design
Cons
  • Direct-lit LED with no local dimming, so blacks look gray
  • 60Hz panel limits smoothness in fast motion
  • Only 41 ratings, so owner feedback is thin
  • Single listed HDMI count conflicts with the three-input spec, so check the set

What separates them

Samsung M70HB Mini LED 4K TV (55")TCL S55LR 55" 4K Roku TV
BacklightMini LED with Supreme Mini LED Dimming (local dimming)Direct-lit LED, no local dimming
HDRHDR10+ with Mini LED HDR contrast controlHDR10+, HDR10 and HLG, limited by backlight
MotionMotion Xcelerator with DLG 120HzMotion Rate 240 with MEMC, 60Hz panel
Smart platformTizen with Gaming Hub and 750+ free channelsRoku OS with 500+ free channels
HDMI inputsStandard HDMI set, no eARC detail listed3 HDMI including 1 eARC
Gaming featuresGaming Hub, no listed ALLM or VRRAuto Game Mode (ALLM) for low input lag
Voice assistantsGoogle Assistant and Amazon Alexa built inWorks with Google, Alexa and Apple HomeKit
Owner feedback4.3 out of 5 from 3,632 ratings4.1 out of 5 from 41 ratings

Price history

$298.00$239.99
Nov 1Nov 14
  • Samsung M70HB Mini LED 4K TV (55"): lowest $277.99 on Nov 4; $298.00 on Nov 13.
  • TCL S55LR 55" 4K Roku TV: lowest $239.99 on Nov 7 at Best Buy; $269.99 on Nov 14.

Prices at every store

Samsung M70HB Mini LED 4K TV (55")

  • WalmartNew

    In stock

    $298.00Free shippingChecked Nov 13
    Visit Walmart
  • The Home DepotNew

    In stock

    $299.99Checked Nov 13
    Visit The Home Depot
  • Merlin's TV & ApplianceNew

    Availability unknown

    $299.99Checked Nov 3
    Visit Merlin's TV & Appliance
  • SamsungNew

    Availability unknown

    $299.99Checked Nov 1
    Visit Samsung

Also available at

  • WalmartCheck price at Walmart
  • B&H Photo-Video-AudioCheck price at B&H Photo-Video-Audio
  • Macy'sCheck price at Macy's
All 6 stores and price history →

TCL S55LR 55" 4K Roku TV

  • Best BuyNew

    In stock

    $239.99Free shippingChecked Nov 13
    Visit Best Buy
  • WalmartNew

    In stock

    $268.00Checked 42 min ago
    Visit Walmart
  • WalmartNew

    In stock

    $268.00Checked Nov 13
    Visit Walmart
  • Best BuyNew

    In stock

    $269.99Free shippingChecked 42 min ago
    Visit Best Buy

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

All 6 stores and price history →

Specs compared

SpecSamsung M70HB Mini LED 4K TV (55")TCL S55LR 55" 4K Roku TV
screen_size55 in55 in
colorBlackBlack
Resolution4K UHD4K UHD
Smart platformTizenRoku TV
High DefinitionYesYes
HDTV Format4K4K
Screen FormFlatFlat
Display TypeLEDLED
Assistant SupportGoogle Assistant, Amazon AlexaGoogle Assistant, Amazon Alexa, Siri
ConnectivityBluetooth, Wi-Fi, USB, HDMI, EthernetBluetooth, Wi-Fi, USB, HDMI, Ethernet
Supported Streaming ServicesNetflix, Prime Video, YouTube, Disney+Roku
HDRYesYes
Show all 40 specsShow fewer specs
SpecSamsung M70HB Mini LED 4K TV (55")TCL S55LR 55" 4K Roku TV
Refresh Rate50 Hz60 Hz
DisplayMini-LEDLED
BrandSamsungTCL
PlatformTizenRoku OS
High dynamic range formatHDR10+HDR10+ / HDR10 / HLG
Video streaming quality4K Ultra HD4K Ultra HD
Smart techYY
Virtual asst.Bixby, AlexaGoogle Home / Amazon Alexa / Apple HomeKit
HDMI number31
Streamers

What reviewers say

Samsung M70HB Mini LED 4K TV (55")

  • 4.3 / 53,632 ratings

Rated 4.3 out of 5 from 3,632 ratings, the M70HB is generally well received as a value Mini LED set. Buyers tend to praise picture contrast and the free channel lineup; some note motion and refresh limits.

What people mention
  • Picture qualityPraisedOwners say colors are bright and contrast is strong for a set at this price.
  • MotionMixedSome find motion smoothing helps, others see blur in fast scenes.
  • Refresh rateCriticisedThe 50 Hz panel and DLG 120Hz mode draw complaints from gamers.
  • Smart platformPraisedTizen is described as quick to set up with plenty of apps and free channels.

TCL S55LR 55" 4K Roku TV

  • 4.1 / 541 ratings

Reception is modest: 4.1 out of 5 from 41 ratings, with the single review quoted on the store page giving it 5 stars. Buyers treat it as a value 4K set rather than a picture-quality leader.

What people mention
  • Picture qualityMixedOwners find the bright LED picture good for the money but note weak blacks in dark scenes.
  • ValuePraisedBuyers see it as a lot of 4K TV for a low price.
  • Roku interfacePraisedThe Roku OS is described as fast to set up and easy to use.
  • MotionCriticised

Questions and answers

Which has the better picture?
The Samsung. Its Mini LED backlight with local dimming produces deeper blacks and brighter highlights, while the TCL is a direct-lit LED without dimming zones. The gap shows most in dark scenes and HDR content.
Which is better for gaming?
The TCL lists Auto Game Mode (ALLM) for low input lag, which the Samsung does not spell out. The Samsung's Gaming Hub and 120Hz motion handling give it an edge for serious console play, but confirm VRR support before buying for a next-gen console.
Which smart platform is easier to use?
Roku on the TCL is the simpler interface and most people learn it in minutes. Tizen on the Samsung has more built-in features, including Gaming Hub and Samsung TV Plus, but the menus are busier.
Which lasts longer?
Neither maker publishes a lifespan figure, and both are LED-based sets with similar panel wear. The Samsung has far more owner ratings, which makes its reliability record easier to judge; the TCL's 41 ratings are too few to draw conclusions.
Is the Samsung worth stepping up to?
Yes if you watch movies in a dim room or care about HDR, because local dimming is the biggest picture upgrade between these two. If you mostly watch cable news and stream casually, the TCL covers that fine.
Do both support voice assistants?
Yes. The Samsung has Alexa and Google Assistant built in. The TCL works with Google Home, Amazon Alexa and Apple HomeKit, which makes it the better fit for an Apple household.

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Buying guides that pick them

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Netflix
Roku
Tv featuresBluetoothVirtual Assistant Compatible, High Dynamic Range
Mount typeFreestandingFreestanding
SeriesMini LED 4K M70HBS55LR Series
Color categoryBlackBlack
Screen Resolution3840x2160 (4K Ultra HD)3840x2160 (4K Ultra HD)
Release Year20262026
Television typeLED TVs4K Ultra HD TVs
ManufacturerSAMSUNG ELECTRONICS AMERICATCL
Number of speakers22
Input/output typeHDMIHDMI
Inputs & outputsHDMI3 HDMI (1 eARC), USB
Input/output quantity13
Width48.2 in wide55.1 in wide
Depth3 in deep2.8 in deep
HDMI Ports3 HDMI ports3 HDMI ports
Display technologyMini LED—
ProcessorMini LED Processor 4K—
HDR formatMini LED HDR—
The 60 Hz panel and processing draw complaints on fast sports and action.
Best 55-inch 4K smart TVs for value