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43" QLED QEF1 4K Vision AI Smart TV (2025)

QN43QEF1AFXZC

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43" QLED QEF1 4K Vision AI Smart TV (2025)
43"

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Highlights

black line

Q4 AI Processor

Feel the power of AI in 4K

1 pixel black line

100% Colour Volume with Quantum Dot

A billion shades of colour

Array of screens showing various content. Aerial shot reveals more screens and vast amount of content available. Extensive Free Content. Other screens appear. Experience, smart, beyond. Screens move to the side as if scrolled through. TV show, sports, movie, drama, music. Upscale Your Entertainment.

Extensive Free Content

Access 1200+ channels for free

A multi-layered security solution is creating a dome-like enclosure behind a TV that's secured by Knox. The screen features the Samsung Knox emblem. The text Your privacy. Secured. Only on Samsung TV is on display on top.

Samsung Knox Security

Your privacy. Secured.

Features

Enjoy your extensive entertainment with Samsung Vision AI

A TV has an otherworldly landscape in vivid blue and purple appear on screen. Samsung Vision AI logo. A TV has an otherworldly landscape in vivid blue and purple appear on screen. Samsung Vision AI logo.

Key features at a glance

Feel the power of AI in 4K

Q4 AI Processor

Samsung’s AI processor helps optimize any viewing and sound experience for 4K TVs.

The Q4 AI Processor chip descends on the TV's main board and lights up with waves of power surging from the chip to the rest of the TV. The Q4 AI Processor chip descends on the TV's main board and lights up with waves of power surging from the chip to the rest of the TV.
* Viewing experience may vary according to types of content and format.
** Upscaling may not apply to PC connection and Game Mode.

Companion that enriches your life

Enjoy sound optimized to your content

Adaptive Sound

Adaptive Sound has audio scenic intelligence that optimizes sound based on real-time scene analysis by content type.

* Experience may vary depending on the content and environment.

Make your own mood-matching wallpapers with AI

Generative Wallpaper

Choose keywords for the ambiance you want, and let AI work its magic. Your TV will generate beautiful, one-of-a-kind images that can change the atmosphere of your home.

 * The number of attempts allowed per day may be limited. Samsung account and internet connection required. This feature must be activated through the "generate wallpaper" tab in your TV's menu.

Picture Quality

A billion shades of colour

100% Colour Volume with Quantum Dot

Quantum Dot technology delivers stunning picture quality. With 100% Colour Volume, Quantum Dot takes light and turns it into breathtaking colours that stays true at various level of brightness.

A scene of a woman in a pool spitting out water. Logo reads VDE 01/2025 Tested Color Volume 100% acc. to DCI-P3. www.VDEinfo.com. ID 40059611. Tested by VDE Germany. Another logo is made of stacked color wheels that represent Brightness. The color wheels grow in size to represent 100% Color Volume. As it does, the scene of the woman in the pool grows brighter and more vivid. A scene of a woman in a pool spitting out water. Logo reads VDE 01/2025 Tested Color Volume 100% acc. to DCI-P3. www.VDEinfo.com. ID 40059611. Tested by VDE Germany. Another logo is made of stacked color wheels that represent Brightness. The color wheels grow in size to represent 100% Color Volume. As it does, the scene of the woman in the pool grows brighter and more vivid.
* 100% colour volume measured to DCI-P3 standard, certified by VDE.

More about
Picture Quailty

Intelligently enhanced colour expression

Colour Booster Pro

AI recognizes each scene and enhances colour expression accordingly, so your viewing experience becomes more vivid and dynamic.

* You turn colour booster pro (ON/OFF) in the [menu/setting].

Wider range of contrast on a cinematic scale

Quantum HDR

Experience the full power of every image with Quantum HDR, which brings out detail and contrast. The dynamic tone mapping of HDR10+ creates deeper blacks, more vibrant imagery and details that always shine through.

* The range of Quantum HDR luminance is based on internal testing standards and is subject to change according to viewing conditions or specifications.

Enjoy a full range of authentic colours

PANTONE Validated

As a trusted symbol of colour fidelity by industry experts, ‘PANTONE Validated' certifies the accurate expression of 2,140 PANTONE colours and 110 newly-added skin tone shades. So you can be sure that you're getting a rich, true-to-life viewing experience.

* Validation for TV colour accuracy that express the same colour under the standard light source (D65 based) with paper texture. (Error within ΔE ≤ 3.0 level that a person cannot feel colour difference)
** PANTONE validation received based on HDR screen.

Watch your favorite content in up to 4K

4K Upscaling

Our powerful 4K upscaling technology ensures you get up to 4K resolution for the content you love.

* Viewing experience may vary according to types of content and format.
** Upscaling may not apply to PC connection and Game Mode.

Gaming Experience

Easily discover and access all your games from one screen

Gaming Hub

Your TV has a central hub that organizes games from apps, consoles and cloud platforms in one convenient place. It also offers recommendations based on what you like to play, so you can easily discover new favorites.

* Available games and content may vary by countries and models and are subject to change without notice.
** Certain games require a separate controller.
*** Internet connection and subscription may be required.
**** Requires Samsung account.

Improved picture clarity with smooth motion

Motion Xcelerator

Experience a clear picture as your TV estimates the movement between frames, then uses that information to improve motion smoothness for subsequent frames.

Seamless AI-driven game optimization

AI Auto Game Mode

Let your TV detect the type of game you're playing and optimize the settings. You can free yourself from the usual setup hassle and just play.

* AI Auto Game Mode is available for certain console and PC games.

Fine-tune your game settings as you play

Game Bar

Optimize your gameplay even more with Game Bar. Samsung TVs give you a handy in-game menu for settings like FPS, input lag, minimap zoom and more. It also lets you apply ultra-wide aspect ratios of 21:9 and 32:9 to expand your view on bigger screens.

* Super Ultrawide GameView (21:9, 32:9) is available for certain PC and console games supporting ultrawide screens.
** Some game titles may not support this feature.
*** Game Bar's Zoom-in mode is not supported for certain refresh rates.
**** Game Bar UI is subject to change without prior notice.

Immersive lighting that syncs with your game

Hue Sync

Create a dynamic atmosphere with smart lights that sync to your content. Samsung TVs can analyze the colours and movements on screen, then signal to Hue lights for matching effect — resulting in an incredibly immersive viewing experience.

* Smart light sold separately.
** Samsung account required. Additional installation of the Philips Hue Sync app and paid subscription are required.

Sound

TV and soundbar play together in smooth harmony

Q-Symphony

Surround yourself with beautifully orchestrated sound. Samsung technology syncs the TV and soundbar audio to play simultaneously — without muting the speakers of either device.

* Check for Q-Symphony compatibility on soundbar product specifications.
** Soundbar sold separately.
*** The location and number of speakers may vary depending on the model.

Immersive virtual sound that tracks the action

Object Tracking Sound Lite

3D surround sound with our virtual top channel audio allows you to be immersed in the audio experience.

* Content and services may vary by region and are subject to change without notice.
** Agreement to Smart Hub Terms and Conditions and Privacy Policy is required before use.
*** Some content and services require registration and subscription.
**** Requires Samsung account.
***** Please note that the upgrade does not cover hardware-related performance, features or durability.

Access 1200+ channels for free

Endless Free Content

Access free channels, including Samsung TV Plus premium channels. Enjoy news, sports, movies, entertainment, music, kids’ shows and more. With new content continuously added, there’s always more to explore.

* For CA, over 1,200 free live channels at Samsung Tizen OS including channels provided by Samsung TV Plus and third party apps such as Pluto TV, Freeve and more. (As of May, 2024)
** Free Channels available at Samsung Tizen OS vary by country.
*** Downloading apps, signing up, and logging in may be required to access.
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Your privacy. Secured.

Samsung Knox Security

Your privacy is secure on Samsung TVs. Sensitive data like passwords are protected, connected IoT devices are monitored and malicious apps and sites are automatically blocked. Plus, Samsung's security team helps keep your TV safe with regular updates.

* Samsung Knox Security applies to Samsung TVs powered by Tizen®, launched since 2015.
** Latest software update is required.
A multi-layered security solution is creating a dome-like enclosure behind a TV that's secured by Knox. The screen features the Samsung Knox emblem. The text Your privacy. Secured. Only on Samsung TV is on display on top. A multi-layered security solution is creating a dome-like enclosure behind a TV that's secured by Knox. The screen features the Samsung Knox emblem. The text Your privacy. Secured. Only on Samsung TV is on display on top.

More about
One UI Tizen

Find world-famous galleries in your TV

Art Store

Find your ideal artwork from the world’s leading museums and artists. Discover new art pieces with relevant and timely selections that complement each season, holiday and mood.

* Subscription is required to enjoy all the art from the Art Store.

The best of TV. All for free.

Samsung TV Plus

Dive into a vast collection of shows, movies and other content on Samsung TV Plus. It comes installed for free on your TV — no payment, subscription or setup required.

* Channels vary by country and are subject to change without notifications.
** Supported Samsung devices may vary by country.
*** Requires app download and Samsung account.
**** UI is subject to change without prior notice.
***** Ads may appear on Samsung TV Plus.
****** Available for free on Samsung Smart TVs since 2016.
******* Available for free on Samsung Galaxy Devices Mobile & Tablet Android Version 8.0 or higher.

Elevate your day with curated lifestyle experiences

Samsung Daily+

Find apps and services for health, work and lifestyle on Samsung Daily+. You can access SmartThings, Workout Tracker, karaoke and more, all in one place.

* Samsung is not responsible for any third-party services, and is not liable for any damages or losses caused by any third-party services.

SmartThings

Connect and manage your smart home devices, all from your TV

SmartThings

With a built-in smart hub, your TV can connect and control smart devices — even those requiring Matter and HCA compatibility. You can also get notifications about your devices straight from the screen, including a 3D Map View that shows your entire smart home system at a glance.

* Available technology, functions and features may vary by country, service provider, network environment or product, and are subject to change without notice.
** Requires a Wi-Fi, Bluetooth or other wireless network connection and login to Samsung account.
*** Connected devices are sold separately.
**** Use of calm technology requires agreement to privacy notices from both SmartThings and the auto-registered device.
***** UI is subject to change without prior notice.

More about
SmartThings

Gestures to control with your watch

Universal Gestures

Easily control your TV with your smartwatch. Just wear your Galaxy Watch and use hand gestures, like pinching to select an option, or moving your wrist back and forth for pause and play.

* Available apps and services may vary and are subject to change without notice.
** Only supported on Galaxy Watch4 and later models, and Wear OS 5 and higher versions.

Reduce energy with intelligent analysis

AI Energy Mode

Energy saving made easy with SmartThings. By turning on AI Energy Mode, it auto detects surrounding light levels and analyzes usage behaviors to adjust the brightness, reducing overall energy consumption. Also, it analyzes the content scene by scene to subtly adjust brightness where possible, to cut down on energy consumption.

* Energy saving rate may vary by region, model, size, viewing conditions and type of content.
** Products shipped in Eco Mode have some AI Energy Mode functions enabled by default, so energy saving levels when AI Energy Mode is turned on may appear lower compared to Standard Mode.
*** AI Energy Mode does not work with Game Mode.
**** Energy savings are based on internal test results and may vary depending on the content being displayed and surrounding brightness levels.

Control your TV from your phone

Quick Remote

Through your mobile device, you can access key Samsung Tizen TV features such as media, features, ambient mode and menu. Quick Remote can also act as your TV remote, allowing you to change channels, adjust the volume and more right from your phone.

* Push notifications for mobile remotes for TVs are available on (Mobile) Android OS 10.0 and higher versions with (TV) 2020 Samsung TVs and later models, and operates when the mobile device is near the TV.
** Samsung Smart TV feature access is available on (TV) 2024 Samsung TVs and later models with (Mobile) Android OS 10.0 and higher versions or iOS 15.0 and higher versions.

Transform your TV into a karaoke stage

Karaoke

Have fun with friends and family with the karaoke feature in Samsung Daily+. You can even connect your phone to use as a mic. No need for any separate equipment — your singing setup is already here.

* Requires SmartThings app to be installed on the mobile device and connected via the same Wi-Fi network as the TV set.
** Mobile mic is optimized only for Galaxy S23 or later models and iPhone 15 & above.
*** You must download the Karaoke app from Tizen to use the Karaoke function.
**** An additional paid subscription is required for this service after 6 months of free use. (Users can access 5 songs per day for free without a subscription.)

Design

A stylish design for your space

Slim Look

This beautifully slim design blends into your decor, elevating your style without taking it over.

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Adjust your TV with more freedom

Adjustable Stand

Get an optimal viewing experience by easily adjusting the spatial position of the TV as desired with the Adjustable Stand. It's also perfect for fitting a soundbar underneath.

* Width adjustment feature available with QEF1 55" and above only.
alt text alt text
* Image simulated for illustration purposes. Any changes in appearance and design specifications that do not affect product performance may occur without prior notice. UI, content and services may vary by region and are subject to change without notice.

Specifications

  • Product Type

    QLED

  • Resolution

    4K (3,840 x 2,160)

  • Video

    Q4 AI Processor

  • Connectivity

    3

  • QLED

  • Screen Size

    43"

  • Refresh Rate

    60 Hz

  • Diagonal Screen Size

    42.5"

  • Resolution

    4K (3,840 x 2,160)

  • Picture Engine

    Q4 AI Processor

  • HDR (High Dynamic Range)

    Quantum HDR

  • HDR 10+

    Support

  • AI Upscale

    4K Upscaling

  • Contrast

    Mega Contrast

  • Micro Dimming

    Supreme UHD Dimming

  • Contrast Enhancer

    Yes

  • Motion Technology

    Motion Xcelerator

  • Smart Calibration

    Basic

  • Filmmaker Mode (FMM)

    Yes

  • HDR Brightness Optimizer

    Yes

  • Object Tracking Sound

    OTS Lite

  • Q-Symphony

    Yes

  • Sound Output (RMS)

    20 W

  • Speaker Type

    2 CH

  • Operating System

    Tizen™ Smart TV

  • Bixby

    Yes (Voice Ready)

  • Samsung TV Plus

    Yes

  • Web Browser

    Yes

  • Works with AI Speaker

    Alexa, Google Assistant

  • SmartThings Hub / Matter Hub / IoT-Sensor Functionality / Quick Remote

    Yes

  • Samsung Health

    Yes

  • Universal Guide

    Yes

  • Multi Device Experience

    Mobile to TV, TV initiate mirroring, Sound Mirroring, Wireless TV On

  • Multi-View

    upto 2 videos

  • Apple AirPlay

    Yes

  • Daily+

    Yes

  • Auto Game Mode (ALLM)

    Yes

  • Game Motion Plus

    Yes

  • Super Ultra Wide Game View

    Yes

  • Mini Map Zoom

    Yes

  • Hue Sync

    Yes

  • HGiG

    Yes

  • Gaming Hub

    Yes

  • Digital Broadcasting

    ATSC/Clear QAM

  • Analog Tuner

    Yes

  • HDMI

    3

  • USB

    1 x USB-A

  • HDMI (High Frame Rate)

    4K 60Hz (for HDMI 1/2/3)

  • Ethernet (LAN)

    1

  • RF In (Terrestrial / Cable input / Satellite input)

    1/1(Common Use for Terrestrial)/0

  • Wi-Fi

    Yes (Wi-Fi 5)

  • Bluetooth

    Yes (BT5.3)

  • Anynet+ (HDMI-CEC)

    Yes

  • HDMI Audio Return Channel

    eARC

  • Design

    Slim Look

  • Bezel Type

    3 Bezel-less

  • Front Colour

    Titan Gray

  • Stand

    Flat Feet Narrow

  • Stand Colour

    Titan Gray

  • Embeded POP

    Yes

  • EPG

    Yes

  • IP Control

    Yes

  • OSD Language

    English, Spanish, French

  • V-Chip

    Yes

  • Accessibillity - Voice Guide

    Czech (Czech Republic),Danish (Denmark),Dutch (Netherlands),English (US),Finnish (Finland),French (Canada),German (Germany),Greek (Greece),Hungarian (Hungary),Italian (Italy),Korean (Korea),Norwegian (Norway),Polish (Poland).Portuguese (Portugal),Romanian (Romania),Slovak (Slovakia),Spanish (Mexico),Swedish (Sweden)

  • Low Vision Support

    Audio Description, Zoom Menu and Text, High Contrast, SeeColours, Colour Inversion, Grayscale, Auto Picture Off

  • Hearing Impaired Support

    Closed Caption (Subtitle), Multi-output Audio, Caption Position, Sign Language Zoom, Separate Closed Caption, Sign Language Guide

  • Motor Impaired Support

    Slow Button Repeat, Remote Control App. for All

  • Eco Sensor

    Yes

  • Power Supply

    AC110-120V~ 50/60Hz

  • Power Consumption (Max)

    100 W

  • Power Consumption (Stand-by)

    0.5 W

  • Power Consumption (Typical)

    88 W

  • Auto Power Off

    Yes

  • Auto Power Saving

    Yes

  • Package Size (WxHxD)

    1099 x 650 x 123 mm

  • Set Size with Stand (WxHxD)

    967.5 x 609.7 x 193 mm

  • Set Size without Stand (WxHxD)

    967.5 x 561.4 x 59.9 mm

  • Stand (Basic) (WxD)

    674.9 x 193 mm

  • VESA Spec

    200 x 200 mm

  • Package Weight

    10.3 kg

  • Set Weight with Stand

    7.1 kg

  • Set Weight without Stand

    6.8 kg

  • Remote Controller Model

    TM1240A

  • User Manual

    Yes

  • Full Motion Slim Wall Mount Compatible (Y22)

    Yes

  • SlimFit Cam Compatible

    Yes

  • Zigbee / Thread Module

    Dongle Support

  • Power Cable

    Yes

User manual & downloads

Simple User Guide

ver 2507100 | 0.41 MB

Jul 23. 2025

ENGLISH, FRENCH

User Manual

ver 2505260 | 3.36 MB

Jul 10. 2025

ENGLISH

User Manual

ver 2505260 | 3.46 MB

Jul 10. 2025

FRENCH

Installation Guide

ver 2501220 | 0.55 MB

May 24. 2025

ENGLISH

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