Samsung Odyssey G4 G40H 25-inch FHD 300Hz Fast IPS Gaming Monitor Black
- • 25-inch FHD Fast IPS: 1920 × 1080 gaming display with wide 178° viewing angles.
- • 300 Hz Gaming: Up to 300 Hz through DisplayPort and up to 240 Hz through HDMI.
- • 1 ms GtG: Fast response for high-speed gaming.
- • Adaptive Sync: AMD FreeSync Premium and NVIDIA G-SYNC Compatible.
- • Ergonomic Stand: Height, tilt, swivel, pivot, and 100 × 100 mm VESA mounting support.
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- Availability:
- In Stock
- Product Code:
- LS25HG402EMXUE
- Brand:
- Samsung
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The Samsung Odyssey G4 G40H is a 25-inch Full HD gaming monitor built around a Fast IPS panel for fast-paced competitive gaming. Its 1920 × 1080 resolution, 1 ms GtG response time, and refresh rate up to 300 Hz through DisplayPort provide a responsive combination for high-frame-rate gameplay.
HDR10, AMD FreeSync Premium, and NVIDIA G-SYNC Compatible support are complemented by gaming features including Black Equalizer, Virtual Aim Point, and Auto Source Switch+. The ergonomic stand provides height, tilt, swivel, and pivot adjustment, while a 100 × 100 mm VESA mounting pattern supports alternative mounting setups.

Key Features
- 25-inch Fast IPS Display: Full HD 1920 × 1080 resolution with wide 178° horizontal and vertical viewing angles.
- Up to 300 Hz Refresh Rate: Supports up to 300 Hz through DisplayPort for high-frame-rate gaming.
- 1 ms GtG Response Time: Fast pixel response helps reduce motion blur during rapid gameplay.
- Adaptive Sync: Supports AMD FreeSync Premium and NVIDIA G-SYNC Compatible operation.
- HDR10 & Gaming Tools: Includes HDR10, Black Equalizer, Virtual Aim Point, and Super Arena Gaming UX.
- Ergonomic Stand: Height, tilt, swivel, and pivot adjustments provide flexible positioning.
Technical Specifications
| Component | Specification |
| Brand | Samsung |
| Series | Odyssey G4 |
| Model | G40H |
| Product Type | Gaming Monitor |
| Screen Size | 25 inches |
| Screen Shape | Flat |
| Panel Type | Fast IPS |
| Resolution | 1920 × 1080 FHD |
| Aspect Ratio | 16:9 |
| Refresh Rate | DisplayPort: Up to 300 Hz / HDMI: Up to 240 Hz |
| Response Time | 1 ms GtG |
| Brightness | 300 cd/m² Typical |
| Static Contrast Ratio | 1000:1 |
| Viewing Angle | 178° / 178° |
| Color Support | Up to 16.7 Million Colors |
| sRGB Coverage | 99% |
| HDR | HDR10 |
| AMD FreeSync | FreeSync Premium |
| NVIDIA G-SYNC | G-SYNC Compatible |
| Gaming Features | Black Equalizer, Virtual Aim Point, Super Arena Gaming UX, Auto Source Switch+ |
| Eye Comfort | Eye Saver Mode, Flicker Free |
| DisplayPort | 1 × DisplayPort 1.2 |
| HDMI | 1 × HDMI 2.0 |
| Audio Output | 1 × Headphone Output |
| Built-in Speakers | No |
| Height Adjustment | 105 mm (±5 mm) |
| Tilt | -3° (±2°) to 25° (±2°) |
| Swivel | -45° (±3°) to 45° (±3°) |
| Pivot | -92° (±2°) to 92° (±2°) |
| VESA Mount | 100 × 100 mm |
| Dimensions with Stand | 557.7 × 483.1 × 250.2 mm |
| Dimensions without Stand | 557.7 × 327.1 × 45.7 mm |
| Weight with Stand | 3.8 kg |
| Weight without Stand | 2.5 kg |
| Power Supply | External Adapter, AC 100–240 V |
| Maximum Power Consumption | 48 W |
| Color | Black |
Compatibility & Important Information
- 300 Hz Connection: Samsung specifies up to 300 Hz through DisplayPort. HDMI supports up to 240 Hz.
- 1 ms Response Time: Samsung states that the 1 ms GtG figure is based on internal measurement conditions and requires the Extreme response-time setting.
- Adaptive Sync: AMD FreeSync Premium requires compatible AMD graphics hardware. NVIDIA G-SYNC Compatible operation also requires compatible graphics hardware.
- No Built-in Speakers: The monitor does not include integrated speakers; a headphone output is provided.
- Ergonomic Stand: Height, tilt, swivel, and pivot adjustments are supported, together with 100 × 100 mm VESA mounting.
| Monitors Specifications | |
|---|---|
| Screen Size | 25" |
| Refresh Rate | 300 Hz |
| Flat / Curved | Flat |
| Panel Type | Full HD |
| Panel Technology | IPS |
| Contrast Ratio Static | 1000:1 |
| Resolution | 1920 x 1080 |
| Response Time | 1 ms |
| Display Port | Yes |
| HDMI | Yes |
| Brightness | 300 cd/m2 |
| Display Colors | 16.9 Million |
| Advanced Feature | |
| Color | Black |
| Speakers | None |
Q: What resolution does the Samsung Odyssey G4 G40H 25-inch monitor use?
A: It has a native Full HD resolution of 1920 × 1080.
Q: Can the Odyssey G4 G40H run at 300 Hz?
A: Yes. Samsung specifies a maximum refresh rate of 300 Hz through DisplayPort.
Q: Can HDMI run the monitor at 300 Hz?
A: No. Samsung specifies up to 240 Hz through HDMI. DisplayPort is required for the specified 300 Hz maximum.
Q: What is the response time?
A: Samsung specifies 1 ms GtG. The manufacturer notes that this measurement requires the Extreme response-time setting and can vary with content and configuration.
Q: Does the monitor support G-SYNC and FreeSync?
A: Yes. Samsung lists the monitor as NVIDIA G-SYNC Compatible and AMD FreeSync Premium.
Q: Does the monitor have built-in speakers?
A: No. Samsung specifies no integrated speakers, but the monitor includes a headphone output.
Q: Can the stand be height-adjusted?
A: Yes. The stand supports 105 mm of height adjustment as well as tilt, swivel, and pivot movement.
Q: Does the monitor support a VESA arm or wall mount?
A: Yes. It supports a 100 × 100 mm VESA mounting pattern.





























