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TCL QM5K 75" QD-Mini LED TV vs LG NU70 Nano 4K Smart TV

The TCL 75QM5K is the stronger TV for picture quality. Its QD-Mini LED backlight with up to 500 local dimming zones, Dolby Vision IQ and HDR10+ support gives deeper blacks and brighter highlights than the LG NU70's Direct Lit panel, which has no local dimming and only HDR10 Pro. The LG wins on the smart platform: webOS 26 with the Magic Remote and LG Channels is smoother and better organized than TCL's Google TV setup. Build is plastic on both, and owners of both lines report the usual edge-case panel complaints, but the TCL's 4.7 rating across 574 reviews is solid. Buy the TCL for movies, sports and gaming; buy the LG if you mainly stream and want the easier interface.

  • Choose the TCL 75QM5K if you want the best picture for the money, with Mini LED dimming, Dolby Vision IQ and 144Hz VRR gaming.
  • Choose the LG NU70 if you value the webOS 26 platform, Magic Remote and free LG Channels over contrast and brightness.

Prices

  • TCL QM5K 75" QD-Mini LED TV: $699.99 at Best Buy (last seen Nov 13)
  • LG NU70 Nano 4K Smart TV: $399.99 at Best Buy (last seen Nov 13)
  • Difference: the LG NU70 Nano 4K Smart TV is $300.00 cheaper than the TCL QM5K 75" QD-Mini LED TV at the latest prices (Nov 13)
TCL
TCL 75" Class QM5K Series 4K UHD HDR QD-Mini LED Smart TV

TCL QM5K 75" QD-Mini LED TV

TCL 75" Class QM5K Series 4K UHD HDR QD-Mini LED Smart TV

4.7(574 ratings)
$699.99at Best BuyChecked 16 h ago
See all prices and details
Visit Best Buy

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

Pros
  • Up to 500 local dimming zones give real black levels
  • Dolby Vision IQ and HDR10+ cover every major HDR format
  • 144Hz VRR and Auto Game Mode suit consoles and PCs
  • Three HDMI ports leave room for a console, soundbar and streamer
  • High HDR brightness holds up in a bright room
Cons
  • Native refresh is 60Hz; the 144 figure comes from Game Accelerator
  • Plastic body and feet feel basic
  • Google TV interface is busier than webOS
  • No Magic-style pointer remote included
LG
LG 75-Inch Class Nano 4K UHD AI NU70 Smart TV (2026)

LG NU70 Nano 4K Smart TV

LG 75-Inch Class Nano 4K UHD AI NU70 Smart TV (2026)

4.3(6 ratings)
$399.99at Best BuyChecked 16 h ago
See all prices and details
Visit Best Buy

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

Pros
  • webOS 26 is fast and easy to navigate
  • Magic Remote makes searching and switching inputs quick
  • 400+ free LG Channels and a large on-demand library
  • α7 Gen9 processor upscales HD and SD content well
  • FILMMAKER MODE preserves director intent
Cons
  • Direct Lit backlight with no local dimming means weaker blacks
  • No Dolby Vision; HDR10 Pro only
  • Only two HDMI ports
  • No optical audio output; Bluetooth can't carry laptop video

What separates them

TCL QM5K 75" QD-Mini LED TVLG NU70 Nano 4K Smart TV
BacklightQD-Mini LED with up to 500 local dimming zonesDirect Lit LED with no local dimming
HDR formatsDolby Vision IQ, HDR10+, HDR10, HLGHDR10 Pro only, no Dolby Vision
GamingGame Accelerator 144 with up to 144Hz VRR and Auto Game Mode60Hz panel, no VRR or game mode features listed
Smart platformGoogle TV with Google Assistant and AlexawebOS 26 with Magic Remote and 400+ free LG Channels
HDMI inputs3 HDMI ports2 HDMI ports
Audio outputsStandard connections; check for optical on the setNo optical audio port; audio via HDMI ARC/eARC or Bluetooth only
ProcessorAIPQ processor with scene-by-scene machine learningα7 AI Processor 4K Gen9 with Nano Detail Enhancer and AI Super Upscaling
RemoteStandard remoteMagic Remote with point-and-click control

Price history

$699.99$399.99
Nov 9Nov 14
  • TCL QM5K 75" QD-Mini LED TV: lowest $649.99 on Nov 13 at Best Buy; $699.99 on Nov 14.
  • LG NU70 Nano 4K Smart TV: lowest $399.99 on Nov 13 at Best Buy; $399.99 on Nov 14.

Prices at every store

TCL QM5K 75" QD-Mini LED TV

  • Best BuyNew

    In stock

    $699.99Free shippingChecked 16 h ago
    Visit Best Buy

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

Prices and history →

LG NU70 Nano 4K Smart TV

  • Best BuyNew

    In stock

    $399.99Free shippingChecked 16 h ago
    Visit Best Buy
  • Best BuyNew

    In stock

    $399.99Free shippingChecked 19 h ago
    Visit Best Buy
  • LGNew

    In stock

    $399.99+ $4.00 shippingChecked 19 h ago
    Visit LG
  • Abt ElectronicsNew

    In stock

    $399.99+ $249.00 shippingChecked 16 h ago
    Visit Abt Electronics

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

All 12 stores and price history →

Specs compared

SpecTCL QM5K 75" QD-Mini LED TVLG NU70 Nano 4K Smart TV
HDMI Ports32 HDMI ports
Display TypeLEDLED
Resolution4K4K
HDTV Format4K UHD4K
Refresh Rate60Hz (native)60Hz
Screen FormFlatFlat
Assistant SupportGoogle Assistant, Amazon AlexaGoogle Assistant, Amazon Alexa
Screen size75-inches75"
ColorBlackBlack
Model75QM5K—
Network FunctionalitySmart TV—
Smart TVYes—
Show all 40 specsShow fewer specs
SpecTCL QM5K 75" QD-Mini LED TVLG NU70 Nano 4K Smart TV
Internet Streaming ServicesNetflix—
Network ConnectivityWi-Fi, Ethernet, LAN, Wi-Fi 5—
Video InterfaceHDMI—
PC InterfaceHDMI—
Supported Resolutions4K—
Backlight TechnologyQD-Mini LED—
Display HighlightsHDR—
Display Aspect Ratio16:9—
Viewing AngleApproximately the same as QM6K—

What reviewers say

TCL QM5K 75" QD-Mini LED TV

  • 4.7 / 5574 ratings

Reception of the QM5K line is limited, but owners of TCL's Mini LED sets generally praise the contrast and HDR punch for the tier while noting the 60Hz panel and modest port count.

What people mention
  • Picture contrastPraisedOwners say the Mini LED dimming gives deep blacks and bright highlights for the tier.
  • MotionCriticisedThe 60Hz native panel is called out for blur in sports and fast action.
  • HDR formatsPraisedDolby Vision IQ and HDR10+ support is seen as generous at this level.
  • PortsMixedThree HDMI inputs are enough for some setups but tight for consoles and soundbars.

LG NU70 Nano 4K Smart TV

Owners of LG's Nano Cell LCD sets praise the color and the easy webOS interface, and most find the picture bright enough for daytime viewing. Critics note that dark scenes look washed out and that the 60Hz panel is not ideal for fast games.

What people mention
  • Picture qualityMixedReviewers like the color and upscaling but say dark scenes lack depth.
  • BrightnessMixedOwners find it fine for daytime but weak for bright HDR highlights.
  • GamingCriticisedThe 60Hz panel and lack of VRR are called limiting for fast games.
  • SoundCriticisedBuilt-in speakers are described as thin, so most add a soundbar.

Questions and answers

Which has the better picture for movies?
The TCL. Its Mini LED backlight with up to 500 dimming zones and Dolby Vision IQ produce deeper blacks and brighter highlights. The LG's Direct Lit panel has no local dimming, so dark scenes look flatter.
Which is better for gaming?
The TCL. It supports up to 144Hz VRR through Game Accelerator 144 and has Auto Game Mode plus three HDMI ports. The LG is a 60Hz set with no VRR listed.
Which smart TV system is easier to use?
LG's webOS 26 with the Magic Remote is the smoother, simpler interface. TCL runs Google TV, which is more app-heavy but works fine once set up.
Is the LG worth stepping up to over the TCL?
Only if the interface matters more than picture. The LG costs more in its class for a dimmer, non-dimming panel; the TCL gives you more display technology for the same size.
Which lasts longer?
Neither brand publishes a lifespan figure, and both are plastic-bodied sets with similar warranty terms. Panel failure is rare on both; the TCL's Mini LED backlight is the more complex part.
Can I connect a soundbar to the LG?
Yes, through HDMI ARC/eARC or Bluetooth. The LG has no optical audio port, so an older optical-only soundbar won't work without an adapter.

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More comparisons

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  • TCL 75" Class QM5K Series 4K UHD HDR QD-Mini LED Smart TV vs TCL 75” Class S5 (75S551G) 4K UHD HDR LED Smart TV with Google TV (NEW 2024)
  • LG 75-Inch Class Nano 4K UHD AI NU70 Smart TV (2026) vs TCL 75” Class S5 (75S551G) 4K UHD HDR LED Smart TV with Google TV (NEW 2024)
  • TCL 75" Class QM5K Series 4K UHD HDR QD-Mini LED Smart TV vs Samsung M80H 75" 4K Mini LED TV

Buying guides that pick them

  • Best 75-inch 4K TVs under $700
Menu Language
Spanish, English, French
—
Dimensions56'' x 13.4'' (75-inch stand, wider position)—
Stand And MountIncluded (two plastic feet)—
Design HighlightsIntegrated cable management, Frameless design—
MaterialPlastic (feet), Plastic (body)—
Mount InterfaceVESA 300x300—
Local dimming zonesup to 500—
HDR supportHDR10+, HDR10, & HLG—
Dolby VisionDolby Vision IQ—
HDMI inputs3 HDMI Inputs Including One With eARC—
Wi-FiWi-Fi 5—
BluetoothBluetooth 5.4—
Speaker systemOnkyo 2.1 Speaker System With Subwoofer—
Motion rateMotion Rate 240 With MEMC Frame Insertion—
Smart OSGoogle TV—
Screen Size Class75 inches—
High Dynamic Range (HDR)true—
High Dynamic Range FormatHDR 10+, HDR 10, Hybrid Log-Gamma (HLG)—
LED Panel TypeMini-LED QLED—