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LG OLED AI B6 4K Smart TV vs TCL M8LF Series 4K Mini LED Fire TV

The LG B6 is the better TV for most people: OLED gives per-pixel contrast, wide viewing angles and near-instant response, and it comes in sizes from 48 to 83 inches. The TCL M8LF is a Mini LED set that can go brighter and is built for big-screen, bright-room viewing and gaming, but its listed specs are inconsistent and its 58 ratings are far fewer than LG's 876. Buy the LG for picture quality and movie nights in a dim room; buy the TCL only if you want a very large screen and prioritize brightness over perfect blacks.

  • Choose the LG OLED B6 if you care most about contrast, viewing angles and motion, or you need a size smaller than 55 inches.
  • Choose the TCL M8LF if you want a large Mini LED screen that fights glare in a bright room and you game on a console or PC.

Prices

  • LG OLED AI B6 4K Smart TV: $1,299.99 at H-Town's Finest (last seen Nov 9)
  • TCL M8LF Series 4K Mini LED Fire TV: $329.99 at DoorDash (checked today)
  • Difference: the TCL M8LF Series 4K Mini LED Fire TV is $970.00 cheaper than the LG OLED AI B6 4K Smart TV at the latest prices (Nov 9 and Nov 10)
LG
LG OLED AI B6 4K Smart TV

LG OLED AI B6 4K Smart TV

4.7(876 ratings)
$1,299.99at H-Town's FinestChecked Nov 9
See all prices and details
Visit H-Town's Finest
Pros
  • True black levels and no backlight blooming
  • Wide viewing angles for a living room
  • 0.1 ms response and 120 Hz with VRR for gaming
  • Five sizes from 48 to 83 inches
  • Dolby Vision, Dolby Atmos and FILMMAKER MODE
Cons
  • Risk of permanent image retention with static logos
  • Lower peak brightness than a bright Mini LED
  • Owners complain about webOS navigation and remote buttons
  • Fewer HDMI 2.1-class gaming extras than the TCL claims
TCL
TCL M8LF Series 4K UHD HDR Mini LED Smart TV with Fire TV

TCL M8LF Series 4K Mini LED Fire TV

TCL M8LF Series 4K UHD HDR Mini LED Smart TV with Fire TV

4.7(58 ratings)
$329.99at DoorDashChecked 7 min ago
See all prices and details
Visit DoorDash
Pros
  • Mini LED backlight with local dimming for strong contrast
  • High brightness and anti-glare for sunny rooms
  • 144 Hz native panel with game bar and auto game mode
  • Hands-free Alexa+ voice control built in
  • Dolby Atmos and DTS Virtual:X audio
Cons
  • LCD blooming around bright objects on dark scenes
  • Narrower viewing angles than OLED
  • Spec sheet conflicts on size and refresh rate
  • Only 58 ratings, so less owner history to judge reliability

What separates them

LG OLED AI B6 4K Smart TVTCL M8LF Series 4K Mini LED Fire TV
Panel technologyOLED, self-lit pixels with no backlightMini LED with full array local dimming
Contrast and blacksPerfect black per pixel, no bloomingDeep blacks for an LCD, but halos around bright objects
Peak brightness and glareBright enough for most rooms, weaker in direct sunHigh Brightness+ and anti-glare coating handle bright rooms
Refresh rate120 Hz native, G-Sync and FreeSync Premium144 Hz native claimed, Motion Rate 480, Game Accelerator 288
Screen sizes48, 55, 65, 77 and 83 inchesListed as 50 and 75 inches, specs conflict
Smart platform and voicewebOS 26 with Gemini, Copilot, Google Assistant and SiriFire TV with Alexa+ hands-free control
SoundDolby Atmos, 2-channel outputDolby Atmos and DTS Virtual:X
Owner feedback volume4.7 from 876 ratings, praised for picture, criticized for menus4.7 from 58 ratings, praised for brightness and gaming

Price history

$679.99$329.99
Oct 30Nov 11
  • LG OLED AI B6 4K Smart TV: lowest $594.99 on Oct 30; $599.99 on Nov 10.
  • TCL M8LF Series 4K Mini LED Fire TV: lowest $329.99 on Nov 2 at Best Buy; $329.99 on Nov 11.

Prices at every store

LG OLED AI B6 4K Smart TV

  • H-Town's FinestNew

    In stock

    $1,299.99Checked Nov 9
    Visit H-Town's Finest
  • AmazonNew

    Availability unknown

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

    $2,499.99Free shippingChecked Nov 9
    Visit Amazon

Also available at

  • Best BuyCheck price at Best Buy
  • DoorDashCheck price at DoorDash
  • eBayCheck price at eBay

Store links may earn us a commission.

All 2 stores and price history →

TCL M8LF Series 4K Mini LED Fire TV

  • DoorDashNew

    In stockSold by Best Buy US

    $329.99Checked 7 min ago
    Visit DoorDash
  • Best BuyNew

    In stock

    $379.99Free shippingChecked 39 min ago
    Visit Best Buy
  • Uber EatsNew

    In stock

    $659.99Checked 7 min ago
    Visit Uber Eats
  • eBayNew

    In stock

    $919.99Checked 13 h ago
    Visit eBay

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

All 4 stores and price history →

Specs compared

SpecLG OLED AI B6 4K Smart TVTCL M8LF Series 4K Mini LED Fire TV
Resolution3840 x 21603840 x 2160
High DefinitionYesYes
HDTV Format4K4K
ColorBlackBlack
Screen FormFlatFlat
Display TypeOLEDLED
HDRYesYes
Refresh Rate120 Hz60 Hz
ConnectivityBluetooth, Wi-Fi, RF, USB, HDMI, Ethernet, Opti…Bluetooth, Wi-Fi, HDMI
Supported Streaming ServicesNetflix, Prime Video, YouTube, Disney+Netflix
Screen Size48 inches, 55 inches, 65 inches, 77 inches, 83 …75 inches
Width42.1 in wide72.8 in wide
Show all 40 specsShow fewer specs
SpecLG OLED AI B6 4K Smart TVTCL M8LF Series 4K Mini LED Fire TV
HDMI Ports4 HDMI ports4 HDMI ports
Assistant SupportGoogle Assistant, Siri—
Depth1.8 in deep—
Weight25.8 lb—
Anti-Glare—Yes
Screen Resolution—3840x2160 (4K Ultra HD)
Smart TV—Yes
Release Year—2026
Screen Size Class—50 inches
High Dynamic Range (HDR)

What reviewers say

LG OLED AI B6 4K Smart TV

  • 4.7 / 5876 ratings

Rated 4.7 out of 5 from 876 ratings, the B6 draws consistent praise for picture quality and easy streaming setup. Complaints center on the webOS interface and the remote rather than the panel.

What people mention
  • Picture qualityPraisedOwners describe the OLED image as sharp and smooth with strong black levels.
  • SetupPraisedBuyers say getting streaming apps running is quick and straightforward.
  • BrightnessPraisedAutomatic brightness adjustments are called convenient.
  • InterfaceCriticisedSome owners find navigating webOS frustrating.

TCL M8LF Series 4K Mini LED Fire TV

  • 4.7 / 558 ratings

Buyers rate it 4.7 out of 5 from 58 ratings, with praise centered on picture quality, brightness and gaming performance.

What people mention
  • Picture qualityPraisedOwners call the picture sharp and beautiful, with strong contrast from the Mini LED dimming.
  • BrightnessPraisedReviewers say brightness suits a typical living room and black levels hold up.
  • SetupPraisedBuyers describe the setup process as straightforward.
  • GamingPraisedThe high refresh rate and game features draw praise from gamers.

Questions and answers

Which is better for a bright living room?
The TCL M8LF. Its Mini LED backlight and anti-glare coating hold up better against window light. The LG B6 wins in a dim room where its perfect blacks show.
Which has better picture quality?
The LG B6 for contrast, black levels and viewing angles. The TCL can look brighter and punchier in daylight, but dark scenes show halos around bright objects.
Which is better for gaming?
The TCL on paper: 144 Hz native, Game Accelerator 288 and a game bar. The LG B6 still gives 120 Hz, VRR, G-Sync and FreeSync Premium with near-zero response time.
Is the LG B6 worth stepping up to over the TCL?
Yes if you watch movies in a dark room or sit off-center, since OLED contrast and angles are clearly better. Skip it if your room is very bright or you want the largest screen.
Which lasts longer?
Both should last years, but OLED can develop image retention from static logos and news tickers. Mini LED has no burn-in risk, though its backlight is more complex.
Do both support Dolby Vision and Dolby Atmos?
Yes. Both list Dolby Vision HDR and Dolby Atmos audio. The TCL adds DTS Virtual:X and HDR10+; the LG adds FILMMAKER MODE.

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true
High Dynamic Range Format—Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma…
LED Panel Type—Mini-LED
Backlight Type—Full Array Local Dimming
Motion Enhancement Technology—Motion Rate 480
Smart Platform—Fire TV
Number of HDMI Inputs (Total)—4
TV Tuner Type—ATSC, NTSC, Clear QAM
Works With—Apple Home
Voice Assistant Built-in—Amazon Alexa
Brand—TCL
Model Number—50M8LF
Series—M8LF Series
Model Year—2026
Product Height With Stand—27.44 inches
Product Width—43.74 inches
Product Depth With Stand—11.02 inches
Product Height Without Stand—25.43 inches
Product Depth Without Stand—2.74 inches