RATED
Great
7.6/10
42.5″ Samsung QE43LS03H – Full Specifications
The Samsung QE43LS03H is the compact 43-inch member of the LS03H range, built for desks, kitchens and bedrooms.
samsung●TV
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 the compact 43-inch member of the LS03H range, built for desks, kitchens and bedrooms. The 4K panel runs at 103 ppi with a 50/60 Hz refresh, 100% DCI-P3 and a 10-bit (8-bit + FRC) signal, with Quantum HDR and the HDR10+ family listed. Two 10 W speakers are built in, and the stand is listed with height adjustment. It weighs 8.6 kg. Its smaller size also makes it a handy second TV for a study or hobby room.
- 43-inch 4K UHD TV at 103 ppi (LS03H)
- 50/60 Hz refresh, 100% DCI-P3
- 10-bit (8-bit + FRC) with Quantum HDR support
- HDR10, HDR10+, HDR10+ Adaptive, HDR10+ Advanced, HLG
- 2 × 10 W speakers, 8.6 kg
Pros & Cons
Pros
- Compact size works in small rooms
- Wide gamut keeps skin tones and greens natural
- Quantum HDR plus HDR10+ family support
- Light at 8.6 kg for easy mounting
- Sharp 103 ppi image at close range
Cons
- 50/60 Hz refresh limits smooth gaming
- No variable refresh rate is listed for consoles
- Basic 2 × 10 W speakers lack bass
- Only 3 HDMI ports for consoles, a soundbar and a streamer
Score & Ratings
7.6/10
Great
Television Identity & Market
8
| Specification | Value |
|---|---|
| Brand | Samsung |
| Series | LS03H |
| Model | QE43LS03H |
| Model Alias |
|
| 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 |
|---|---|
| Screen Size | 42.5 in |
| 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 |
42.5" Display Size (108 cm) 16:9
Resolution at a Glance
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 |
RECOMMENDED VIEWING DISTANCE
43"
Viewing Distance = 1.5–2.5 × Screen Size
25° field of view — Comfortable, relaxed viewing.
HDR Formats & Tone Mapping
9
| Specification | Value |
|---|---|
| HDR Support |
|
| HDR Formats |
|
| 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 |
|
| 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 |
|
| HDMI 2.0 Ports |
|
| HDMI CEC | Yes |
| Audio Return Channel | Yes |
| Enhanced Audio Return Channel | Yes |
| Auto Low Latency Mode | Yes |
| HDCP Support | Yes |
| HDCP Version | 2.3 |
Ports & Connections
USB, Audio & Legacy I/O
7
| Specification | Value |
|---|---|
| Total USB Ports |
|
| USB-A 2.0 Ports |
|
| 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 | 200 x 200 mm |
| 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 | ALLM |
Privacy, Security & Parental Control
1
| Specification | Value |
|---|---|
| Smart-TV Security | Samsung Knox |
In-the-Box Components
3
| Specification | Value |
|---|---|
| Remote Control | Slim Fit Wall Mount / SolarCell Remote |
| Remote Type | Simple Remote |
| Screen Size | 42.5 in |
⚡
Estimated Running Cost
Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.
Daily—
Monthly—
Annually—
Draws more power than 82% of the 447 comparable displays we track.
Reviews
DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № QE43LS03H