Display
41.5", OLED, 3840 x 2160 pixels
41.5
Refresh rate
48 Hz - 165 Hz
48 Hz
Dimensions
934.4 x 542.6 x 39.6 mm
934.4
Weight
8.3 kg
8.3 k
Processor
NQ4 AI Gen3 Processor
4
Overview
Desk-friendly OLED performance makes the Samsung QN42S90H unusual: it is a 41.5-inch 4K OLED One UI Tizen television with refresh up to 165 Hz. Four HDMI 2.1 ports, FreeSync Premium Pro, G-Sync compatibility, VRR and ALLM support PC and console use. The NQ4 AI Gen3 processor manages upscaling, and the panel lists 100% DCI-P3 with HDR10+ formats. Its 20W 2.0-channel audio is weaker than the 40W systems on larger S90H models. The source also labels the series as S90F rather than S90H, a naming inconsistency that should be corrected. Brightness and contrast figures are absent, and Dolby Vision is not supported. Buy it if you want a compact 4K OLED with 165 Hz gaming; skip it if stronger sound, Dolby Vision or fully consistent source data matters.
BrandSamsungPanel TypeOLEDResolution3840 x 2160 (4K)Refresh Rate48 Hz - 165 Hz
Key Highlights
- 3840 x 2160 (4K) on the 41.5-inch OLED panel gives QN42S90H its core viewing specification
- 100 % DCI-P3 and self-emissive OLED pixels support wide colour and pixel-level black control in QN42S90H's published specification.
- 48 Hz - 165 Hz with AMD FreeSync Premium Pro, VRR and ALLM gives QN42S90H a strong gaming specification
- One UI Tizen with the NQ4 AI Gen3 Processor handles streaming, upscaling and smart-TV functions for QN42S90H.
- It is the smallest S90H, uses 20W audio, and the source incorrectly labels its series as S90F.
Who Should Buy the samsung QN42S90H
+ Best For
High-frame-rate gamers
QN42S90H reaches 48 Hz - 165 Hz with four HDMI 2.1 ports
PC and console users
FreeSync Premium Pro, G-Sync compatibility, VRR and ALLM are listed in QN42S90H's published specification.
OLED film viewing
self-emissive pixels and 100 % DCI-P3 support dark scenes and wide colour on QN42S90H.
Tizen households
NQ4 AI Gen3 processing handles apps, upscaling and motion features for QN42S90H.
× Not Ideal For
Dolby Vision users
QN42S90H supports HDR10+ formats instead
Published-brightness buyers
neither typical nor peak output is stated in QN42S90H's published specification.
Budget-conscious shoppers
the 165 Hz OLED and HDMI 2.1 specification sits above entry level on QN42S90H.
Source-data purists
the series field says S90F despite the QN42S90H model name
Display Performance
Refresh Rate
48 Hz - 165 Hz
Supports high-frame-rate gaming and smoother motion on this QN42S90H model.
Response Time
Not published
No pixel-response figure is published, so motion clarity should not be inferred from refresh rate alone in QN42S90H's published specification.
Brightness
Not published
The source omits normal light output, preventing a meaningful bright-room comparison on QN42S90H.
Contrast
Self-emissive OLED
Individual pixels can switch off for black, although the sheet gives no numerical contrast ratio for QN42S90H.
Colour Gamut
100 %
100 % DCI-P3 supports wider HDR colour than a basic sRGB-only display in the QN42S90H.
HDR
HDR10, HLG (Hybrid Log Gamma), HDR10+, HDR10+ Adaptive, HDR10+ Gaming
Format support is broad, but hardware brightness and black control decide the visible result as listed for QN42S90H.
Gaming Performance
Refresh Rate48 Hz - 165 HzHigh-refresh performance is a central strength on this QN42S90H model.
Response TimeNot publishedThe sheet provides no dependable pixel-transition figure in QN42S90H's published specification.
VRR / Adaptive SyncAMD FreeSync Premium Pro / G-Sync Compatible / VRRSupports variable-refresh play from modern AMD, NVIDIA and console sources on QN42S90H.
GPU Requirement4K up to 165 HzReaching the refresh ceiling in demanding games requires a high-end current GPU for QN42S90H.
HDR & Brightness Reality
QN42S90H combines OLED pixel-level contrast with 100 % DCI-P3 and HDR10, HLG (Hybrid Log Gamma), HDR10+, HDR10+ Adaptive, HDR10+ Gaming. Samsung also lists OLED HDR+ with Glare Free treatment, but gives no typical or peak brightness figure. That prevents a direct judgement of highlight headroom, even though black-level control should be excellent. Dolby Vision is absent, so dynamic HDR relies on HDR10+ rather than cross-format support. The sheet's S90F series label conflicts with the QN42S90H model name.
Connectivity & Ports
HDMI4 x HDMI 2.1Four high-bandwidth inputs support the listed 165 Hz gaming modes on this QN42S90H model.
DisplayPortNone listedThis television expects PC and console video over HDMI in QN42S90H's published specification.
USB-CNone listedUSB-C video input and laptop charging are not supported on QN42S90H.
USB Hub3 x USB 2.0 (Type-A; downstream)QN42S90H includes 3 x usb 2.0 (type-a; downstream) for media and accessories
Audio OutHDMI eARC, optical, 3.5 mmProvides the listed routes to a soundbar, receiver or headphones in the QN42S90H.
Real-World Use Cases
48 Hz - 165 Hz and four HDMI 2.1 ports suit fast PCs and consoles on this QN42S90H model.
OLED black control and 100 % DCI-P3 support dark-room use in QN42S90H's published specification.
One UI Tizen and NQ4 AI Gen3 provide apps and upscaling on QN42S90H.
eARC and optical output connect a soundbar or AV receiver for QN42S90H.
Pros & Cons
Pros
- 48 Hz 165 Hz with FreeSync Premium Pro, G-Sync compatibility and VRR is a high-end gaming combination on this QN42S90H model.
- 4 x HDMI 2.1 supports multiple current consoles and PCs in QN42S90H's published specification.
- OLED pixel-level contrast and 100 % DCI-P3 suit films and HDR games on QN42S90H.
- 20W audio is stronger than the 20W S85H systems
- It is the smallest S90H, uses 20W audio, and the source incorrectly labels its series as S90F.
Cons
- Typical and peak brightness remain unpublished on this QN42S90H model.
- Dolby Vision is absent despite the premium OLED specification in QN42S90H's published specification.
- No USB-C video input or laptop charging is listed on QN42S90H.
- The S90F series entry conflicts with the QN42S90H model name
Score & Ratings
9.2/10
Great
Television Identity & Market
6
| Specification | Value |
|---|---|
| Brand | Samsung |
| Series | S90F |
| Model | QN42S90H |
| Model Alias | QN42S90HAEXZA42" 4K OLED S90H Samsung Vision AI Smart TV (2026) |
| Model Year | 2026 |
| Available Colors | Graphite Black |
Screen Geometry & Format
4
| Specification | Value |
|---|---|
| Screen Size | 41.5 in (inches) |
| Marketed Screen Size | 41.5 in (inches) |
| Aspect Ratio | 16:9 |
| Screen-to-Body Ratio | 94.7 % (percent) |
Panel Architecture & Light Control
3
| Specification | Value | What It Means |
|---|---|---|
| Panel Type | OLED | OLED means pixel-level light control and strong black potential in QN42S90H's published specification. |
| Panel Bit Depth | 10 bits | 10 bits supports smoother colour gradation than a basic 8-bit-only pipeline, although source quality still matters for QN42S90H. |
| Display Colors | 1.07 billion colors / 30-bit |
Surface Treatment & Viewing Layer
1
| Specification | Value |
|---|---|
| Screen Coating | Anti-glare/Matte |
Resolution, Scaling & Signal
4
| Specification | Value |
|---|---|
| Native Resolution | 3840 x 2160 pixels |
| Pixel Density | 106 ppi (pixels per inch) |
| Pixel Pitch | 0.241 mm (millimeters) |
| HDCP Support | Yes |
◑
Luminance, Blacks & Contrast
1
| Specification | Value |
|---|---|
| Viewing Angles | 178° / 178° |
Color Reproduction & Calibration
1
| Specification | Value | What It Means |
|---|---|---|
| DCI-P3 Coverage | 100 % (percent) | 100 % gives QN42S90H wide-colour coverage for HDR films and games. |
HDR Formats & Tone Mapping
2
| Specification | Value | What It Means |
|---|---|---|
| HDR Support | HDR10+ GamingHDR10+HDR10HLG |
HDR10, HLG (Hybrid Log Gamma), HDR10+, HDR10+ Adaptive, HDR10+ Gaming provides dynamic HDR10+ compatibility, but Samsung does not list Dolby Vision as listed for QN42S90H. |
| Filmmaker Mode | Yes |
Motion Processing & Response
2
| Specification | Value |
|---|---|
| Maximum Refresh Rate | 48 Hz - 165 Hz (hertz) |
| Motion Processing | Motion Xcelerator 165 Hz |
Console, VRR & Game Tools
7
| Specification | Value | What It Means |
|---|---|---|
| Variable Refresh Rate | Variable Refresh Rate (VRR) | |
| Auto Low Latency Mode | Auto Low Latency Mode (ALLM) | |
| High Frame Rate | Yes | |
| AMD FreeSync | AMD FreeSync Premium Pro | AMD FreeSync Premium Pro helps reduce tearing when a compatible source changes frame rate on this QN42S90H model. |
| NVIDIA G-Sync | Yes | |
| Game Mode | Yes | |
| Game Bar | Super Ultrawide GameView & Game Bar |
Picture Intelligence & AI
1
| Specification | Value |
|---|---|
| Filmmaker Mode | Yes |
Broadcast Tuners & Reception
5
| Specification | Value |
|---|---|
| Built-In TV Tuner | Yes |
| Tuner Configuration | Analog (NTSC/PAL/SECAM)ATSCClear QAM |
| Analog Tuner | NTSC / PAL / SECAM |
| North American Digital Tuner | ATSC |
| Clear QAM | clear qam |
Compute, Memory & Storage
2
| Specification | Value |
|---|---|
| Processor Brand Name | NQ4 AI Gen3 Processor |
| CPU Architecture | 4 |
Smart Platform & System
2
| Specification | Value | What It Means |
|---|---|---|
| Smart TV | Yes | |
| Operating System | One UI Tizen | One UI Tizen runs Samsung's app platform and connected-TV features in QN42S90H's published specification. |
HDMI Signal Interface
9
| Specification | Value |
|---|---|
| Total HDMI Ports | 4 |
| HDMI 2.1 Ports | 4× HDMI 2.1 |
| HDMI CEC | Yes |
| Audio Return Channel | Yes |
| Enhanced Audio Return Channel | Yes |
| Auto Low Latency Mode | Auto Low Latency Mode (ALLM) |
| High Frame Rate | Yes |
| Variable Refresh Rate | Variable Refresh Rate (VRR) |
| HDCP Support | Yes |
USB, Audio & Legacy I/O
6
| Specification | Value |
|---|---|
| Total USB Ports | 3 |
| USB-A 2.0 Ports | 3× USB 2.0 |
| Ethernet Port | 1× RJ45 |
| Optical Audio Output | 1× S/PDIF |
| 3.5 mm Audio Output | 1× 3.5 mm |
| Headphone Output | Yes |
Wireless, LAN & Casting
6
| Specification | Value |
|---|---|
| LAN | Yes |
| Wi-Fi | Wi-Fi 8 |
| Wi-Fi Standards | 802.11a |
| Bluetooth | Bluetooth 5.3 |
| Wi-Fi Direct | Yes |
| DLNA | Yes |
Speaker Layout & Output
5
| Specification | Value |
|---|---|
| Built-In Speakers | Yes |
| Speaker Configuration | 2.0 CH |
| Speaker Channels | 2.0 CH |
| Total Audio Output | 20W |
| Total Speaker Output | 20W |
Sound Formats & Enhancement
2
| Specification | Value |
|---|---|
| Dolby Atmos | Yes |
| Q-Symphony | Yes |
Panel-Only Size & Mass
4
| Specification | Value |
|---|---|
| Width Without Stand | 934.4 mm (millimeters) |
| Height Without Stand | 542.6 mm (millimeters) |
| Depth Without Stand | 39.6 mm (millimeters) |
| Weight Without Stand | 8.3 kg (kilograms) |
Assembled TV Size & Mass
4
| Specification | Value |
|---|---|
| Width With Stand | 934.4 mm (millimeters) |
| Height With Stand | 606.8 mm (millimeters) |
| Depth With Stand | 206.3 mm (millimeters) |
| Weight With Stand | 8.7 kg (kilograms) |
Exterior Styling & Stand Footprint
1
| Specification | Value |
|---|---|
| Chassis Color | Graphite Black |
Wall Mounting & Installation
3
| Specification | Value |
|---|---|
| VESA Mount | 200 x 200 mm |
| VESA Interface | 200 x 200 mm |
| VESA Size | 200 x 200 mm |
Electrical Load & Efficiency
6
| Specification | Value |
|---|---|
| Power Input | 100 V - 120 V (volts) |
| AC Frequency | 50 Hz - 60 Hz (hertz) |
| Typical Power Consumption | 79 W (watts) |
| Average Power Consumption | 79 W (watts) |
| Maximum Power Consumption | 175 W (watts) |
| Standby Consumption | 0.5 W (watts) |
Picture Feature Inventory
2
| Specification | Value |
|---|---|
| Ultra Viewing Angle | Yes |
| Filmmaker Mode | Yes |
Gaming Validation & Compatibility
2
| Specification | Value |
|---|---|
| Game Bar | Super Ultrawide GameView & Game Bar |
| ALLM | Auto Low Latency Mode (ALLM) |
Regulatory & Industry Approvals
1
| Specification | Value |
|---|---|
| CE | AI Motion Enhancer Pro |
In-the-Box Components
1
| Specification | Value |
|---|---|
| Screen Size | 41.5 in (inches) |
Frequently Asked Questions
01 What performance gain does the QN42S90H have over the QN48S90H? +
It is the smallest S90H, uses 20W audio, and the source incorrectly labels its series as S90F. The higher-tier model also uses NQ4 AI Gen3 processing and FreeSync Premium Pro.
02 How useful is 165 Hz on the QN42S90H? +
It can improve motion and reduce latency with a sufficiently fast PC source. Reaching 4K at that rate in demanding games requires a high-end GPU.
03 What HDR evidence is missing for the QN42S90H? +
The sheet lists OLED HDR+ and HDR10+ formats but no typical or peak brightness. OLED black control is meaningful, yet highlight headroom cannot be compared numerically.
04 Which external devices fit the QN42S90H connectivity? +
Four HDMI 2.1 ports support current consoles, PCs and eARC audio. Three USB ports and optical output add accessory and sound-system options.
05 What source-data inconsistency affects the QN42S90H? +
The model is QN42S90H, but the series field says S90F. Buyers should use the full model number and verify the regional listing before purchase.
Reviews
DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № QN42S90H