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samsung Samsung QE43LS03H – Full Specifications TV
RATED
Great
7.6/10

42.5″ Samsung QE43LS03H – Full Specifications

The Samsung QE43LS03H is a 42.5 in 4K UHD TV built around a display panel with LED backlighting.

42.5″ · 1.778:1 / 16:9 · MODEL YEAR 2026
samsungTV
Display
42.5 in / / LED / 4K UHD
42.5
Refresh rate
50 Hz / 60 Hz
50 Hz
Dimensions
969.5 mm x 557.8 mm x 27.5 mm
969.5
Weight
8.4 kg / 18.52 lbs
8.4 k
Processor
NQ4 AI Gen2 Processor
4

Overview

The Samsung QE43LS03H is a 42.5 in 4K UHD TV built around a display panel with LED backlighting. Its picture specification includes 100 % DCI-P3 coverage, HDR support for HDR10 / HDR10+ / HDR10+ Gaing / HDR10+ Adaptive / HDR10+ Advanced / HLG (Hybrid Log Gamma) / Quantum HDR. Motion support is listed at 50 Hz / 60 Hz, with ALLM, Game Bar. Samsung uses One UI Tizen with the NQ4 AI Gen2 Processor for the smart-TV experience. Connectivity includes 3 HDMI, 2 USB, Wi-Fi, Bluetooth. For setup, the VESA pattern is 200 x 200 mm and weight with stand is 8.6 kg / 18.96 lbs. This makes the specification especially useful for buyers comparing Samsung TVs by screen size, gaming support, HDR formats, connectivity and installation requirements rather than relying on marketing names alone.

BrandSamsungPanel TypeNot publishedResolution4K UHDRefresh Rate50 Hz / 60 Hz

Key Highlights

  • LED backlight with a listed panel
  • 100 % DCI-P3 color coverage
  • HDR support: HDR10 / HDR10+ / HDR10+ Gaing / HDR10+ Adaptive / HDR10+ Advanced / HLG (Hybrid Log Gamma) / Quantum HDR
  • Gaming: 60 Hz, ALLM, Game Bar
  • One UI Tizen smart-TV platform

Who Should Buy the samsung QE43LS03H

+ Best For
Gaming
60 Hz, ALLM, Game Bar
Movies & HDR
Supports HDR10 / HDR10+ / HDR10+ Gaing / HDR10+ Adaptive / HDR10+ Advanced / HLG (Hybrid Log Gamma) / Quantum HDR
Streaming
One UI Tizen smart platform
Large-screen setup
42.5 in screen class
× Not Ideal For
Peak-brightness comparison
No peak figure is published
HDMI 2.1-heavy setups
HDMI 2.1 is not listed
High-refresh gaming
VRR/high-refresh support is not listed

Display Performance

Refresh Rate 50 Hz / 60 Hz Source-listed motion range
HDR HDR10 / HDR10+ / HDR10+ Gaing / HDR10+ Adaptive / HDR10+ Advanced / HLG (Hybrid Log Gamma) / Quantum HDR Supported HDR signal formats

Gaming Performance

Refresh Rate50 Hz / 60 HzPublished refresh capability

HDR & Brightness Reality

The Samsung QE43LS03H lists HDR10 / HDR10+ / HDR10+ Gaing / HDR10+ Adaptive / HDR10+ Advanced / HLG (Hybrid Log Gamma) / Quantum HDR. DCI-P3 coverage is 100 %. A peak-brightness figure is not supplied. Real-scene HDR brightness, blooming and tone mapping still require independent measurements.

Connectivity & Ports

HDMI3 total; 3 HDMI 2.0Main video inputs
Audio OutOpticalExternal audio

Real-World Use Cases

Streaming
One UI Tizen
Movies
HDR10 / HDR10+ / HDR10+ Gaing / HDR10+ Adaptive / HDR10+ Advanced / HLG (Hybrid Log Gamma) / Quantum HDR
Gaming
60 Hz, ALLM, Game Bar
Wall mounting
200 x 200 mm; 8.6 kg / 18.96 lbs

Pros & Cons

Pros
  • 100 % DCI-P3 coverage is published for wide-color comparison
  • Gaming support includes ALLM
  • One UI Tizen provides Samsung's smart-TV platform
Cons
  • Peak brightness is not published in the supplied specification
  • The source does not list VRR or a high-refresh gaming mode
  • No HDMI 2.1 input is explicitly listed

Score & Ratings

7.6/10 Great
Design
8
Display
7
Color
8
Performance
7
Connectivity
8
Television Identity & Market 8
Specification Value
Brand Samsung
Series LS03H
Model QE43LS03H
Model Alias QE43LS03HEUXXN / QE43LS03HEUXXU / GQ43LS03HEUXZG / 43" The Frame LS03HE 4K Samsung Vision AI Smart TV (2026)
Full Product Name Samsung QE43LS03H
Model Year 2026
Launch Status 2026 model year
Available Colors White / Brown / Teak / Beige / Brick Red
Screen Geometry & Format 9
Specification Value What It Means
Screen Size 42.5 in 42.5 in is the diagonal screen class.
Marketed Screen Size 42.5 in
Exact Diagonal 1080 mm / 108 cm / 42.5197 in / 3.5433 ft
Aspect Ratio 1.778:1 / 16:9
Active Display Width 941.184 mm / 94.1184 cm / 37.0545 in / 3.0879 ft
Active Display Height 529.416 mm / 52.9416 cm / 20.8431 in / 1.7369 ft
Display Area 92.14 %
Screen-to-Body Ratio 92.14 %
3D Support No
Panel Architecture & Light Control 5
Specification Value
Quantum Dot Yes
Backlight Type LED
Panel Bit Depth 10 bits (8 bits + FRC)
FRC Yes
Display Colors 1073741824 colors / 30 bits
Surface Treatment & Viewing Layer 2
Specification Value
Screen Coating Anti-glare/Matte
Anti-Reflection Technology Anti-glare
Resolution, Scaling & Signal 5
Specification Value
Native Resolution 3840 x 2160 pixels / Ultra HD (UHD) / 4K / 2160p
Pixel Density 103 ppi / 40 ppcm
Pixel Pitch 0.245 mm / 0.0245 cm / 0.0096 in / 0.0008 ft
Upscaling Resolution 4K
Native 4K Support Yes
Luminance, Blacks & Contrast 5
Specification Value
Real Depth Enhancement Yes
Black Equalizer Yes
Viewing Angles 178 ° / 178 °
Horizontal Viewing Angle 178 °
Vertical Viewing Angle 178 °
Color Reproduction & Calibration 3
Specification Value
DCI-P3 Coverage 100 %
Quantum Dot Color Yes
Smart Calibration Yes
HDR Formats & Tone Mapping 9
Specification Value
HDR Support
HDR10+HDR10HLG
HDR Formats
HDR10+HDR10HLG
HDR10 Yes
HDR10+ Yes
HDR10+ Adaptive Yes
HLG Yes
HDR Brightness Optimization Yes
HDR Gaming Interest Group Yes
Filmmaker Mode Yes
Motion Processing & Response 6
Specification Value
Native Refresh Rate 50 Hz / 60 Hz
Maximum Refresh Rate 60 Hz
Refresh Rate Range 50 Hz / 60 Hz
Vertical Frequency 50 Hz / 60 Hz
Motion Processing Motion Xcelerator 144Hz + DLG 240 Hz
Motion Xcelerator Motion Xcelerator 144Hz + DLG 240 Hz
Console, VRR & Game Tools 4
Specification Value
Auto Low Latency Mode Yes
Game Bar Yes
Mini Map Zoom Yes
Gaming Hub Yes
Picture Intelligence & AI 8
Specification Value
Picture Processor NQ4 AI Gen2 Processor
AI Processor NQ4 AI Gen2 Processor
AI Upscaling Yes
AI Energy Mode Yes
Eco Sensor Yes
Real Depth Enhancement Yes
Filmmaker Mode Yes
Art Mode Yes
Broadcast Tuners & Reception 9
Specification Value
Built-In TV Tuner
Yes
Tuner Configuration Analog (NTSC/PAL/SECAM) / DVB-T / DVB-T2 / DVB-C / DVB-S / DVB-S2
Analog Tuner Yes
Digital Terrestrial Tuner DVB-T
Digital Terrestrial Tuner 2 DVB-T2
Digital Cable Tuner DVB-C
Digital Satellite Tuner DVB-S
Digital Satellite Tuner 2 DVB-S2
Satellite Input Yes
Compute, Memory & Storage 4
Specification Value
Processor Brand Name NQ4 AI Gen2 Processor
Picture Processor NQ4 AI Gen2 Processor
CPU Cores 4
Internal Storage 16 GB
Smart Platform & System 3
Specification Value
Smart TV Yes
Operating System One UI Tizen
Firmware Updates 7 years of OS upgrades
Streaming & Entertainment 5
Specification Value
Samsung TV Plus Yes
Samsung Gaming Hub Yes
Art Gallery Yes
Samsung Daily+ Yes
Samsung Health Yes
Voice Assistants & Search 4
Specification Value
Voice Control Yes
Amazon Alexa Yes
Google Assistant Yes
Bixby Yes
HDMI Signal Interface 8
Specification Value
Total HDMI Ports
3
HDMI 2.0 Ports
3× HDMI 2.0
HDMI CEC Yes
Audio Return Channel Yes
Enhanced Audio Return Channel Yes
Auto Low Latency Mode Yes
HDCP Support Yes
HDCP Version 2.3
USB, Audio & Legacy I/O 7
Specification Value
Total USB Ports
2
USB-A 2.0 Ports
2× USB 2.0
Ethernet Port 1× RJ45
Optical Audio Output 1× Optical
Satellite Input Yes
Antenna Input Yes
Common Interface Slot Yes
Wireless, LAN & Casting 10
Specification Value
LAN Yes
Wi-Fi Yes
Wi-Fi Standards 802.11a / 802.11b / 802.11g / 802.11n / 802.11n 5GHz / 802.11ac / 802.11ax
Bluetooth Bluetooth 5.3
Wi-Fi Direct Yes
DLNA Yes
Apple AirPlay Yes
Google Cast Yes
Multi-View Yes
ConnectShare Yes
Speaker Layout & Output 3
Specification Value
Built-In Speakers 2 x 10 W / 2.0 CH / 20W
Main Speakers 2 x 10 W / 2.0 CH / 20W
Total Audio Output 20 W
Sound Formats & Enhancement 5
Specification Value
Dolby Atmos Yes
Adaptive Sound Yes
Object Tracking Sound Yes
Q-Symphony Yes
Surround Sound Yes
Camera & Video Calling 1
Specification Value
Built-In Camera No
Connected Home & IoT 3
Specification Value
Smart Home Platform Samsung SmartThings
Matter Support Yes
Samsung SmartThings Yes
Photo File Compatibility 6
Specification Value
Image File Formats JPEG / GIF / PNG / MPO / BMP
JPEG Yes
PNG Yes
GIF Yes
BMP Yes
MPO Yes
Music Codec Compatibility 12
Specification Value
Audio Formats AAC / FLAC / M4A / MIDI / MP3 / OGG / WMA / WAV / APE / AIFF / ALAC / Opus
AAC Yes
FLAC Yes
MP3 Yes
M4A Yes
WMA Yes
WAV Yes
OGG Yes
APE Yes
AIFF Yes
ALAC Yes
MIDI Yes
Video Container Compatibility 13
Specification Value
Video Containers 3GPP / AVI / ASF / Flash Video / MKV / M2TS / MP4 / MPEG Transport Stream / VOB / VRO / WebM / WMV
3GPP Yes
AVI Yes
ASF Yes
Flash Video Yes
MKV Yes
M2TS Yes
MP4 Yes
MPEG Transport Stream Yes
VOB Yes
VRO Yes
WebM Yes
WMV Yes
Video Codec Compatibility 10
Specification Value
Video Codecs H.263 / H.264 / AVC / H.265 / HEVC / MPEG-2 / MPEG-4 / VC-1 / VP7 / VP8 / VP9 / RealVideo
H.263 Yes
H.264 / AVC Yes
H.265 / HEVC Yes
MPEG-2 Yes
MPEG-4 Yes
VC-1 Yes
VP7 Yes
VP8 Yes
VP9 Yes
Panel-Only Size & Mass 5
Specification Value
Dimensions Without Stand 969.5 mm x 557.8 mm x 27.5 mm (W x H x D)
Width Without Stand 969.5 mm / 96.95 cm / 38.1693 in / 3.1808 ft
Height Without Stand 557.8 mm / 55.78 cm / 21.9606 in / 1.8301 ft
Depth Without Stand 27.5 mm / 2.75 cm / 1.0827 in / 0.0902 ft
Weight Without Stand 8.4 kg / 18.52 lbs
Assembled TV Size & Mass 5
Specification Value
Dimensions With Stand 969.5 mm x 593.3 mm x 184 mm (W x H x D)
Width With Stand 969.5 mm / 96.95 cm / 38.1693 in / 3.1808 ft
Height With Stand 593.3 mm / 59.33 cm / 23.3583 in / 1.9465 ft
Depth With Stand 184 mm / 18.4 cm / 7.2441 in / 0.6037 ft
Weight With Stand 8.6 kg / 18.96 lbs
Shipping Carton Measurements 5
Specification Value
Box Dimensions 1080 mm x 647 mm x 132 mm (W x H x D)
Box Width 1080 mm / 108 cm / 42.5197 in / 3.5433 ft
Box Height 647 mm / 64.7 cm / 25.4724 in / 2.1227 ft
Box Depth 132 mm / 13.2 cm / 5.1969 in / 0.4331 ft
Box Weight 12.5 kg / 27.56 lbs
Exterior Styling & Stand Footprint 4
Specification Value
Stand Width 683 mm / 68.3 cm / 26.8898 in / 2.2408 ft
Stand Depth 184 mm / 18.4 cm / 7.2441 in / 0.6037 ft
Chassis Color White / Brown / Teak / Beige / Brick Red
Design Name Frame Design
Wall Mounting & Installation 10
Specification Value
VESA Mount Yes
VESA Interface 200 x 200 mm
VESA Size 200 x 200 mm
Removable Stand Yes
Stand Type Customizable Magnetic Bezel
Height Adjustment Yes
Height Adjustment Range 25 mm / 2.5 cm / 0.9843 in / 0.082 ft
Swivel Adjustment No
Tilt Adjustment No
Pivot Adjustment No
Electrical Load & Efficiency 12
Specification Value
Power Input 100 V - 120 V / 220 V - 240 V
110V Input Range 100 V - 120 V
220V Input Range 220 V - 240 V
AC Frequency 50 Hz - 60 Hz
Typical Power Consumption 51 W
Average Power Consumption 51 W
Maximum Power Consumption 135 W
Standby Consumption 0.5 W
Annual Energy Consumption 71 kWh
Energy Efficiency Class F
AI Energy Mode Yes
Eco Sensor Yes
Picture Feature Inventory 3
Specification Value
Quantum Dot Color Yes
Filmmaker Mode Yes
AI Brightness Yes
Gaming Validation & Compatibility 3
Specification Value
Game Bar Yes
HGiG Yes
ALLM Yes
Privacy, Security & Parental Control 1
Specification Value
Smart-TV Security Samsung Knox
In-the-Box Components 3
Specification Value What It Means
Remote Control Slim Fit Wall Mount / SolarCell Remote
Remote Type Simple Remote
Screen Size 42.5 in 42.5 in is the diagonal screen class.

Frequently Asked Questions

01 What display does the Samsung QE43LS03H use? +
It uses a 42.5 in listed panel with LED backlighting and 4K UHD resolution.
02 What refresh rate does the Samsung QE43LS03H support? +
The supplied specification lists 50 Hz / 60 Hz.
03 Does the Samsung QE43LS03H support gaming features? +
It lists 60 Hz, ALLM, Game Bar.
04 Which HDR formats does the Samsung QE43LS03H support? +
HDR10 / HDR10+ / HDR10+ Gaing / HDR10+ Adaptive / HDR10+ Advanced / HLG (Hybrid Log Gamma) / Quantum HDR
05 What should be checked before mounting the Samsung QE43LS03H? +
Check the 200 x 200 mm VESA pattern and 8.6 kg / 18.96 lbs weight.

Reviews

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