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LG QNED84B Mini LED 4K TV vs TCL QM6K QD-Mini LED Google TV

Both are Mini LED 4K sets with 120Hz panels and strong gaming features. The LG QNED84B leans on Dolby Vision, Dolby Atmos and webOS, and its 4.7 rating comes from a small sample of 37 owners. The TCL QM6K matches it on 144Hz gaming and HDR formats, adds HDR10+ and IMAX Enhanced, and its 4.6 rating rests on about 3,500 ratings, so the owner feedback is far more proven. Pick the LG for webOS and Dolby Atmos sound; pick the TCL for a brighter, more contrasty picture and broader smart-platform support.

  • Choose the LG QNED84B if you want webOS, Dolby Vision and Dolby Atmos in one set and you value LG's processing and design.
  • Choose the TCL QM6K if you want the strongest contrast and brightness for the money, HDR10+ and IMAX Enhanced, and a track record backed by thousands of owner ratings.

Prices

  • LG QNED84B Mini LED 4K TV: $549.00 at Queen City Homestore (last seen Nov 4)
  • TCL QM6K QD-Mini LED Google TV: $427.99 at Amazon (checked today)
  • Difference: the TCL QM6K QD-Mini LED Google TV is $121.01 cheaper than the LG QNED84B Mini LED 4K TV at the latest prices (Nov 4 and Nov 9)
LG
QNED evo AI QNED84B Mini LED 4K Smart TV

LG QNED84B Mini LED 4K TV

QNED evo AI QNED84B Mini LED 4K Smart TV

4.7(37 ratings)
$549.00at Queen City HomestoreChecked Nov 4
See all prices and details
Visit Queen City Homestore
Pros
  • Dolby Vision and Dolby Atmos in one set
  • Powerful 174W audio output
  • webOS 26 with Apple Home and Google Cast
  • Large 100-inch option
  • Strong 144Hz VRR gaming support
Cons
  • Only 3 HDMI inputs
  • Small rating sample of 37 owners
  • No HDR10+ support
  • No subwoofer in the audio system
TCL
TCL Class QM6K Series QD-Mini LED QLED 4K UHD Smart Google TV

TCL QM6K QD-Mini LED Google TV

TCL Class QM6K Series QD-Mini LED QLED 4K UHD Smart Google TV

4.6(3,500 ratings)
$427.99at AmazonChecked 9 h ago
See all prices and details
Visit Amazon

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

Pros
  • QD-Mini LED with rated 7000:1 native contrast
  • Dolby Vision IQ, HDR10+ and IMAX Enhanced
  • 144Hz native panel with Game Accelerator 240
  • 4 HDMI ports and a backlit voice remote
  • Owner rating backed by about 3,500 reviews
Cons
  • 40W audio is basic next to the LG's 174W
  • No Dolby Atmos
  • Tops out at 85 inches
  • Brightness trails TCL's own QM8L

What separates them

LG QNED84B Mini LED 4K TVTCL QM6K QD-Mini LED Google TV
Backlight and contrastMini LED with Precision Dimming Pro and Direct Lit backlightQD-Mini LED with Local Dimming Pro, Halo Control and a rated 7000:1 native contrast
HDR formatsDolby Vision, HDR10, HLGDolby Vision IQ, HDR10+, HDR10, HLG, plus IMAX Enhanced
Refresh rate and gaming120Hz native, up to 144Hz VRR, Motion Booster 288144Hz native, Motion Rate 480, Game Accelerator 240
AudioDolby Atmos with 174W outputONKYO 2.1 channel with subwoofer, 40W total
Smart platform and assistantswebOS 26 with ThinQ, Hey Google, Apple Home, Google CastGoogle TV with Google Assistant, Alexa and Siri, backlit voice remote
HDMI inputs3 HDMI ports4 HDMI ports
Owner feedback4.7 out of 5 from 37 ratings4.6 out of 5 from about 3,500 ratings
Screen sizes55 to 100 inches50 to 85 inches

Price history

$597.99$329.99
Oct 28Nov 10
  • LG QNED84B Mini LED 4K TV: lowest $549.00 on Nov 4 at Queen City Homestore; $549.99 on Nov 5.
  • TCL QM6K QD-Mini LED Google TV: lowest $329.99 on Nov 3; $597.99 on Nov 10.

Prices at every store

LG QNED84B Mini LED 4K TV

  • Queen City HomestoreNew

    Availability unknown

    $549.00Checked Nov 4
    Visit Queen City Homestore
  • Best BuyNew

    Availability unknown

    $549.99Checked Nov 5
    Visit Best Buy
  • LGNew

    Availability unknown

    $549.99Checked Nov 4
    Visit LG
  • B&H Photo-Video-AudioNew

    Availability unknown

    $549.99Checked Nov 4
    Visit B&H Photo-Video-Audio

Also available at

  • WalmartCheck price at Walmart
All 10 stores and price history →

TCL QM6K QD-Mini LED Google TV

  • TCL USNew

    In stock

    $799.99Free shippingChecked 8 h ago
    Visit TCL US
  • Newegg.comNew

    In stockSold by BrandsMart USA

    $1,016.06Free shippingChecked 8 h ago
    Visit Newegg.com
  • AmazonNew

    Availability unknown

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

    $427.99Free shippingChecked 9 h ago
    Visit Amazon
  • DoorDashNew

    Availability unknownSold by Best Buy US

    $599.99Checked 13 h ago
    Visit DoorDash

Also available at

  • Abt ElectronicsCheck price at Abt Electronics
  • Best BuyCheck price at Best Buy
  • WalmartCheck price at Walmart
All 5 stores and price history →

Specs compared

SpecLG QNED84B Mini LED 4K TVTCL QM6K QD-Mini LED Google TV
Resolution3840 x 21603840 x 2160
High DefinitionYesYes
HDTV Format4K4K
ColorBlackBlack
Screen FormFlatFlat
Display TypeLEDLED
Assistant SupportGoogle Assistant, SiriGoogle Assistant, Amazon Alexa, Siri
HDRYesYes
Refresh Rate120 Hz120 Hz
ConnectivityBluetooth, Wi-Fi, USB, HDMI, Ethernet, Optical …Bluetooth, Wi-Fi, USB, HDMI, Optical Audio
Supported Streaming ServicesNetflix, Prime Video, YouTube, HBO, Disney+Hulu, Netflix, Prime Video, YouTube, Spotify, D…
Screen Size55 inches, 65 inches, 75 inches, 85 inches, 100…50 inches, 55 inches, 65 inches, 75 inches, 85 …
Show all 40 specsShow fewer specs
SpecLG QNED84B Mini LED 4K TVTCL QM6K QD-Mini LED Google TV
Weight35 lb, 47 lb, 64 lb, 83 lb, 84.4 lb31 lb
High Dynamic Range (HDR)truetrue
SeriesQNED evo Mini LED - 84B seriesQM6K Series
Screen Size Class55 inches—
High Dynamic Range FormatHDR 10, Hybrid Log-Gamma (HLG)—
LED Panel TypeMini-LED—
Backlight TypeDirect Lit—
Motion Enhancement TechnologyMotion Booster—
Smart PlatformwebOS—

What reviewers say

LG QNED84B Mini LED 4K TV

  • 4.7 / 537 ratings

Early buyers rate the QNED84B highly, at 4.7 out of 5 from 37 ratings. Owners praise the brightness in daylight rooms and the smooth gaming picture. Some note limited HDMI ports and visible blooming in dark scenes.

What people mention
  • BrightnessPraisedOwners say the Mini LED panel stays vivid and readable in bright, daylit rooms.
  • GamingPraisedBuyers report smooth motion and low blur at 120Hz and up with VRR enabled.
  • SoundPraisedThe 174W speakers are described as loud and clear enough to skip a soundbar.
  • BloomingCriticisedSome owners notice light halos around bright objects in dark scenes.

TCL QM6K QD-Mini LED Google TV

  • 4.6 / 53,500 ratings

With 4.6 out of 5 from about 3,500 ratings, owners mostly praise the picture for the money, especially contrast and motion. Complaints center on brightness versus step-up models and on sound quality.

What people mention
  • Picture contrastPraisedOwners say local dimming gives deep blacks and strong contrast for the money.
  • BrightnessMixedReviewers find it bright enough for most rooms but dimmer than the QM8L and U8QG.
  • MotionPraisedThe 144Hz panel and game mode are called smooth for sports and console gaming.
  • SoundCriticised

Questions and answers

Which is better for a bright living room?
The TCL QM6K. Its QD-Mini LED backlight, Halo Control and rated 7000:1 contrast hold up better against glare and keep highlights punchy. The LG is capable but its strength is color accuracy and processing, not raw brightness.
Which has better sound out of the box?
The LG QNED84B. It outputs 174W with Dolby Atmos, while the TCL uses a 40W ONKYO 2.1 system with a subwoofer. The TCL has more bass, but the LG fills a room more evenly.
Which is better for gaming?
They are close. Both reach 144Hz with VRR, and the TCL adds Game Accelerator 240 and four HDMI ports. The LG offers Motion Booster 288 but only three HDMI inputs, so a console plus a soundbar uses most of them.
Is the TCL worth stepping up to over the LG?
If picture contrast and HDR10+ matter most, yes. The TCL adds HDR10+ and IMAX Enhanced and has far more owner feedback behind its rating. If you want webOS, Dolby Atmos and a 100-inch option, stay with the LG.
Which lasts longer?
Neither maker publishes a lifespan figure, and both use similar LED backlights. The TCL's much larger rating base gives more evidence of long-term owner satisfaction, while the LG's 37 ratings are too few to judge reliability.
Do both support the main streaming apps?
Yes. Both carry Netflix, Prime Video, Disney+, YouTube and HBO Max. The TCL runs Google TV and adds Hulu and Spotify in its listed lineup; the LG runs webOS 26 with Google Cast and Apple Home.

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Featured Streaming Services
Netflix, HBO Max, Disney+, YouTube, Prime Video…
—
Number of HDMI Inputs (Total)3—
TV Tuner TypeATSC, Clear QAM—
Works WithGoogle Home, Apple Home—
Voice Assistant Built-inOther—
BrandLG—
Model Number55QNED84BUA—
Model Year2026—
Product Height With Stand30.7 inches—
Product Width48.7 inches—
Product Depth With Stand9.1 inches—
Product Height Without Stand28.3 inches—
Product Depth Without Stand2.7 inches—
Width—43.7 in wide
Depth—2.7 in deep
HDMI Ports—4 HDMI ports
With V-Chip—Yes
Outdoor—false
Smart TV—true
The ONKYO speakers are described as basic, and many buyers add a soundbar.
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