25" Samsung Odyssey G4 (G40H)
25" Samsung Odyssey G4 (G40H)
25" Samsung Odyssey G4 (G40H) Monitor
The 25" Samsung Odyssey G4 G40H monitor is designed for fast-paced gaming, smooth visuals, and precise response in action scenes. Its Fast IPS panel with Full HD resolution offers wide viewing angles and clean colours, while the refresh rate of up to 300Hz via DisplayPort and a 1ms GTG response time help keep the image sharp even during fast motion. The features are complemented by HDR10, NVIDIA G-Sync Compatible, AMD FreeSync Premium, Black Equalizer and Virtual Aim Point. There's also an ergonomic stand with height adjustment, tilt, swivel, and pivot.
25"
Screen Size
1,920 × 1,080 px
Resolution
Fast IPS panel
Display Type
300Hz
Refresh Rate
Key Features of the Samsung Odyssey G4 G40H Monitor
- 25" Odyssey G4 G40H gaming monitor
- Fast IPS panel with wide 178°/178° viewing angles
- Full HD resolution of 1,920 × 1,080 px
- Refresh rate up to 300Hz via DisplayPort and up to 240Hz via HDMI
- 1ms GTG response time
- HDR10 for more vivid contrast and a more detailed picture
- NVIDIA G-Sync Compatible
- AMD FreeSync Premium for smoother gaming without screen tearing
- Black Equalizer for better visibility in dark scenes
- Virtual Aim Point for more precise aiming
- Super Arena Gaming UX
- Auto Source Switch+ for automatic switching to an active source
- Eye Saver Mode for more comfortable viewing
- Flicker Free to reduce display flicker
- Ergonomic stand with height, tilt, swivel, and pivot adjustment
- HDMI, DisplayPort, and headphone output connectivity
- VESA mount 100 × 100mm
Vivid colours across the entire Samsung G4 screen
The Fast IPS panel displays gaming scenes in clean colours and maintains good readability even when viewed from the side. Wide 178°/178° viewing angles help keep the image clear from various positions, which you'll appreciate when gaming, watching content, and during regular use. The fast response time also reduces motion blur and ghosting, so action scenes appear sharper and are easier to follow.
High brightness and more detailed picture with HDR10
HDR10 support helps display more vivid contrast, brighter highlights, and better-rendered dark areas of the image. This gives gaming scenes greater depth and a more natural feel, especially in titles with dynamic lighting and strong light effects. More detail in both shadows and bright areas improves your orientation on screen and adds a more intense atmosphere to the game. ¹
Speed for action-packed gaming
A refresh rate of up to 300Hz via DisplayPort and a 1ms GTG response time are designed for fast-paced competitive gaming. The monitor can smoothly display swift movement and better capture real-time changes, which helps with aiming, tracking opponents, and quick reactions. Minimal lag and a smoother picture allow you to react better to what's happening in the game. ²
Smooth action with AMD FreeSync Premium
NVIDIA G-Sync Compatible helps sync the monitor with the graphics card to reduce screen tearing, stuttering, and distracting lag. Together with AMD FreeSync Premium technology, it supports a smoother flow of fast-paced scenes, so the image remains more stable even with a variable frame rate. Gaming action thus remains more continuous, and you are less distracted by technical imperfections in the picture. ³
Black Equalizer for better visibility in the dark
The Black Equalizer function allows you to adjust dark areas of the image to make them more readable even in low-light scenes. It helps reveal opponents hidden in the shadows, track details in the environment, and react more quickly to the situation in the game. A better overview in dark passages can be an advantage, especially in action and competitive games. ⁴
Virtual Aim Point for more precise aiming
Virtual Aim Point displays a crosshair on the screen that can help with aiming accuracy. The feature is useful in fast-paced situations where you need to maintain better control over the centre of the screen and react instantly to an opponent's movement. The additional aiming element supports more confident shots when playing action titles.
Ergonomic stand for more comfortable gaming
The ergonomic stand allows you to tilt, swivel, height-adjust, and pivot the Samsung Odyssey G4 monitor to a portrait orientation. You can easily adapt the screen's position to the height of your desk, chair, and current use. More comfortable monitor adjustment helps reduce fatigue during longer gaming sessions, work, and content viewing.
Technical Specifications
- Model: Samsung Odyssey G4 G40H / LS25HG402EUXEN
- Screen size: 25"
- Panel type: Fast IPS, flat display
- Resolution: Full HD, 1,920 × 1,080 px
- Aspect ratio: 16:9
- Brightness: 300 cd/m²
- Contrast: 1,000:1
- Response time: 1ms GTG
- Refresh rate: DisplayPort up to 300Hz / HDMI up to 240Hz
- Viewing angles: 178° horizontal / 178° vertical
- Number of colours: 16.7 million
- Colour coverage: sRGB 99%
- HDR: HDR10
- Gaming features: AMD FreeSync Premium, NVIDIA G-Sync Compatible, Black Equalizer, Virtual Aim Point, Super Arena Gaming UX, Auto Source Switch+
- Eye care technology: Eye Saver Mode, Flicker Free
- Connectivity: 1× HDMI 2.0, 1× DisplayPort 1.2, headphone output
- USB hub: no
- Speakers: no
- Ergonomics: height adjustment 105mm, tilt, swivel, pivot
- VESA mount: 100 × 100mm
- Energy efficiency class: E
- Typical consumption: 19W
- Dimensions with stand: 557.7 × 483.1 × 250.2mm
- Dimensions without stand: 557.7 × 327.1 × 45.7mm
- Weight with stand: 3.8kg
- Weight without stand: 2.5kg
Package Contents
- Samsung Odyssey G4 G40H Monitor
- 1.5m power cable
- HDMI cable
- DisplayPort cable
Colour Coverage (Gamut)
Determines how accurately a monitor can display colours. sRGB is ideal for web, films or games. DCI-P3/Adobe RGB is valued by graphic designers or professionals at work. The higher the stated value, the better the monitor displays colours. Maximum Brightness
The value, given in nits or cd/m², determines the brightness level of the monitor. A brightness above 400 nits is key for HDR content and readability in sunlight, while standard office monitors are sufficient with values above 250. Refresh Rate and Response Time
The refresh rate (Hz) determines the number of frames displayed per second, so the higher the value, the smoother the picture and the less eye strain. A lower response time value (ms) eliminates motion blur. 144Hz+ is ideal for gaming, while values around 75Hz are suitable for office monitors.¹ Images are simulated for illustrative purposes.
² Refresh rate and response time may vary depending on the performance of the input source. A value of 1ms indicates the average response time between 1.00ms and 1.99ms rounded to the nearest whole number. GTG values were measured under internal testing conditions and results may vary depending on content and monitor settings. Requires Extreme Mode setting.
³ Images are simulated for illustrative purposes. G-Sync Compatible and AMD FreeSync are only available when using compatible NVIDIA or AMD graphics cards. The use of the G-Sync logo on the packaging and product may vary depending on the time of purchase.
⁴ Images are simulated for demonstration purposes.
Specifications
Display diagonal and resolution
Construction
Panel and screen technology
Aspect Ratio
Backlight and colour
Connection
Colour gamut
Features and functions
Colour
Dimensions and weight
Packaging
Energy specifications
| Code: | WH603a1a2 |
| Warranty: | 24 months |
| Links: | Producer's Website: |
| Manufacturer information |
Samsung Electronics Czech and Slovak, s.r.o., V parku 2323/14, Chodov, 148 00 Praha 4, 800 726 786, [email protected] Creating a better world – the immodest vision which has driven Samsung since its inception in 1938. The courage to invest in the development of new technologies is typical for the company, as evidenced by a series of visionary solutions. Currently, Samsung is the largest group of companies in South Korea and the third largest worldwide conglomerate by revenue. Samsung consumers associate the brand with high-quality consumer electronics. It is known for its Galaxy series, one of the best and most sought after mobile phones in its class. One must also mention Samsung TVs, where the company has long been at the cutting edge in technology and quality. The competence of the company is much broader. It is active in machinery and heavy industry, chemicals, construction, retail, and financial services. 
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