Samsung Odyssey Gaming Monitor
Samsung Odyssey G4 G40H 25-Inch FHD 300Hz Gaming Monitor
Experience fast, responsive gameplay with Full HD clarity, a Fast IPS panel, a 300Hz DisplayPort refresh rate and a 1ms GTG response time.
25-Inch
Full HD Display
300Hz
Max Refresh Rate via DisplayPort
1ms
GTG Response Time
Fast IPS
Wide Viewing Angles
Samsung Odyssey G4 G40H Gaming Monitor Overview
The Samsung Odyssey G4 G40H LS25HG400EWXXL is designed for gamers who value fast refresh rates, responsive controls and clear visuals. Its 25-inch-class Full HD display combines a Fast IPS panel with a refresh rate of up to 300Hz over DisplayPort, making it suitable for competitive games where smooth motion and quick reactions matter.
With HDR10 support, AMD FreeSync Premium and NVIDIA G-Sync Compatibility, the monitor helps deliver detailed visuals and smoother gameplay when paired with compatible hardware. Its ergonomic stand provides height, tilt, swivel and pivot adjustments to help you find a comfortable viewing position.
Full HD Fast IPS Display
The 1920 × 1080 Full HD resolution provides a clear picture for gaming and everyday desktop use. Fast IPS technology supports vivid colours and a 178° horizontal and vertical viewing angle, helping maintain consistent image quality from different seating positions.
- 25-inch-class flat display with a 16:9 aspect ratio
- Full HD resolution of 1920 × 1080 pixels
- Fast IPS panel technology
- Typical brightness of 300 cd/m²
- Static contrast ratio of 1,000:1
- HDR10 support for compatible content
- Up to 16.7 million supported colours
300Hz Refresh Rate and 1ms GTG Response
Enjoy fluid movement in fast-paced games with a refresh rate of up to 300Hz through DisplayPort. The 1ms GTG response time is designed to reduce visible pixel transition delays and support responsive gameplay. Samsung specifies a maximum refresh rate of 240Hz through HDMI, so the available refresh rate depends on the connection and compatible source device.
- Up to 300Hz: High-refresh-rate gaming over DisplayPort
- 1ms GTG: Fast grey-to-grey pixel response under specified settings
- Black Equalizer: Adjust visibility in darker areas of supported game scenes
- Virtual Aim Point: On-screen aiming assistance for compatible gameplay
- Super Arena Gaming UX: Gaming-oriented display features
- Auto Source Switch+: Automatically switches to a newly activated source
AMD FreeSync Premium and NVIDIA G-Sync Compatibility
AMD FreeSync Premium and NVIDIA G-Sync Compatibility help synchronise the display refresh rate with a compatible graphics card. This can reduce screen tearing and stuttering during gameplay, providing a smoother experience when the feature is supported by your connected hardware and configuration.
HDR10 Support
HDR10 compatibility allows the monitor to display supported high dynamic range content. Actual HDR results depend on the content, system settings and the monitor's display capabilities.
Ergonomic Stand for Comfortable Gaming
The black height-adjustable stand gives you flexibility to position the screen for your setup. Adjust the monitor's height, tilt, swivel and pivot to find a comfortable viewing angle for long gaming sessions or everyday work.
- Height adjustment: 10.5cm (approximately, as specified by Samsung)
- Tilt adjustment: approximately -3° to +25°
- Swivel adjustment: approximately -45° to +45°
- Pivot adjustment: approximately -92° to +92°
- VESA wall-mount compatibility: 100 × 100mm
Comfort and Display Features
Samsung's display features include Eye Saver Mode and Flicker Free technology to support a more comfortable viewing experience. The monitor also includes an energy-saving solution and Off Timer Plus.
Samsung Odyssey G4 G40H Specifications
| Display | |
|---|---|
| Model | LS25HG400EWXXL |
| Product Series | Samsung Odyssey G4 G40H |
| Screen Size | 25-inch class (62.2cm) |
| Panel Type | Fast IPS |
| Screen Shape | Flat |
| Resolution | 1920 × 1080 (Full HD) |
| Aspect Ratio | 16:9 |
| Refresh Rate | Up to 300Hz via DisplayPort; up to 240Hz via HDMI |
| Response Time | 1ms GTG |
| Brightness (Typical) | 300 cd/m² |
| Brightness (Minimum) | 240 cd/m² |
| Static Contrast Ratio | 1,000:1 |
| Viewing Angle | 178° horizontal / 178° vertical |
| HDR | HDR10 |
| Colour Support | Up to 16.7 million colours |
| Gaming Features | |
| AMD FreeSync | FreeSync Premium |
| NVIDIA G-Sync | G-Sync Compatible |
| Black Equalizer | Yes |
| Virtual Aim Point | Yes |
| Auto Source Switch+ | Yes |
| Eye Saver Mode | Yes |
| Flicker Free | Yes |
| Connectivity | |
| DisplayPort | 1 × DisplayPort 1.2 |
| HDMI | 1 × HDMI 2.0 |
| HDCP | 2.2 via DisplayPort and HDMI |
| Headphone Output | Yes |
| Built-in Speakers | No |
| USB-C | Not listed in the official interface specifications |
| Design and Mounting | |
| Colour | Black |
| Stand Type | Height Adjustable Stand (HAS), Pivot |
| Height Adjustment | 10.5cm (±0.5cm) |
| Tilt | Approximately -3° to +25° |
| Swivel | Approximately -45° to +45° |
| Pivot | Approximately -92° to +92° |
| VESA Mount | 100 × 100mm |
| Power, Dimensions and Weight | |
| Power Supply | AC 100–240V, external adapter |
| Maximum Power Consumption | 48W |
| Dimensions with Stand (W × H × D) | 55.77 × 48.31 × 25.02cm |
| Dimensions without Stand (W × H × D) | 55.77 × 32.71 × 4.57cm |
| Package Dimensions (W × H × D) | 59.80 × 11.40 × 45.20cm |
| Weight with Stand | 3.8kg |
| Weight without Stand | 2.5kg |
| Package Weight | 5.4kg |
| Country of Origin | Vietnam |
Who Should Choose the Samsung Odyssey G4 G40H?
- Competitive gamers: The high refresh rate and fast response time suit fast-paced esports titles.
- FPS players: Black Equalizer and Virtual Aim Point offer additional gaming-focused controls.
- PC gaming setups: FreeSync Premium and G-Sync Compatibility support smoother gameplay with compatible graphics hardware.
- Flexible desk setups: The adjustable stand supports height, tilt, swivel and pivot positioning.
- Everyday users: Full HD resolution and the IPS viewing angle also suit general desktop tasks and media.
Things to Know Before Buying
- The maximum refresh rate is 300Hz over DisplayPort and 240Hz over HDMI, according to Samsung.
- To use the maximum refresh rate, your graphics card, connection, resolution and settings must support it.
- The monitor has no built-in speakers; use headphones or an external audio solution.
- The 1920 × 1080 resolution prioritises high-refresh-rate gaming rather than high-resolution 1440p or 4K detail.
- HDR10 support does not by itself guarantee the brightness or contrast performance of a higher-tier HDR display.
Frequently Asked Questions
1. What is the maximum refresh rate of the Samsung LS25HG400EWXXL?
It supports up to 300Hz through DisplayPort and up to 240Hz through HDMI, depending on the connected device and settings.
2. What resolution does this monitor support?
The monitor supports Full HD resolution of 1920 × 1080 pixels with a 16:9 aspect ratio.
3. Does the Odyssey G4 G40H support AMD FreeSync and NVIDIA G-Sync?
Yes. It supports AMD FreeSync Premium and is NVIDIA G-Sync Compatible when used with compatible hardware.
4. Does this monitor have built-in speakers?
No. The monitor does not include built-in speakers, but it provides a headphone output.
5. Can the monitor be wall-mounted?
Yes. It supports VESA mounting with a 100 × 100mm mounting pattern.
6. Is the stand adjustable?
Yes. The stand supports height adjustment, tilt, swivel and pivot adjustments for a more flexible setup.
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