The Samsung Odyssey OLED G6 S27HG612SU is a 27-inch gaming monitor with an OLED display and a QHD resolution of 2560 × 1440, designed for demanding gamers who want a combination of extremely fast response, high refresh rate and high-quality image display. The 240 Hz refresh rate and a response time of only 0.03 ms (GtG) enable a smooth display of fast-paced action with minimal motion blur.

OLED technology provides deep blacks, sharp contrast and accurate image display. The monitor supports AMD FreeSync Premium and is NVIDIA G-SYNC Compatible, allowing you to adjust the refresh rate to your graphics card and reduce tearing and stuttering. The fully adjustable stand allows you to adjust the height, tilt, swivel and Pivot position, and the VESA 100 × 100 mm support also allows for wall mounting.

Advantages

* 68.6 cm (27") gaming display
* OLED display technology
* QHD resolution 2560 × 1440
* Refresh rate up to 240 Hz
* Extremely fast response time of 0.03ms (GtG)
* Typical brightness 200 cd/m²
* Maximum brightness up to 400 cd/m²
* AMD FreeSync Premium
* NVIDIA G-SYNC Compatible
* DisplayPort connector
* HDMI connector
* Headphone output
* Adjustable stand height
* Tilt adjustment
* Rotating stand
* Pivot for use in an upright position
* Wall mounting option
* VESA 100 × 100 mm

Specifications

* Brand: Samsung
* Series: Odyssey OLED G6
* Model: S27HG612SU
* Type: gaming monitor
* Screen diagonal: 68.6 cm (27")
* Display technology: OLED
* Resolution: 2560×1440 QHD
* Aspect ratio: 16:9
* Screen shape: flat
* Refresh rate: up to 240 Hz
* Response time: 0.03ms (GtG)
* Typical brightness: 200 cd/m²
* Maximum brightness: up to 400 cd/m²
* AMD FreeSync Premium: yes
* NVIDIA G-SYNC Compatible: yes
* DisplayPort: yes
* HDMI: yes
* Headphone output: yes
* Height adjustment: yes
* Tilt: yes
* Rotation: yes
* Pivot: yes
* Wall mounting: yes
* VESA standard: 100 × 100 mm

The Samsung Odyssey OLED G6 S27HG612SU is a powerful choice for gaming, where fast response and high-quality display are important. The combination of a QHD OLED screen, 240 Hz refresh rate and 0.03 ms response time provides excellent conditions for both competitive games and visually demanding titles.

It is important to know

The Samsung Odyssey OLED G6 S27HG612SU is designed for more demanding users, especially for gaming and visually striking use. The use of OLED technology brings an exceptional image display, but also some peculiarities that are worth paying attention to before buying. Gamers and enthusiasts of fast-response images will get the most out of the monitor, while additional caution is required for prolonged static use.

• The OLED panel provides superior contrast and deep blacks, but is more sensitive to prolonged display of static elements (e.g. program tools, status bars) - the risk of "burn-in" is greater with static office use than with dynamic use.
• A monitor with a 27” diagonal and QHD resolution provides a very good ratio between screen space and sharpness, but requires enough desk space and an appropriate viewing distance for comfort when working with text.
• The 240Hz refresh rate and 0.03ms response time are especially noticeable in fast-paced games and eSports; to take full advantage of the potential, make sure your graphics card supports QHD at such a high frequency.
• If you include the monitor in a multi-monitor setup, we recommend matching the resolution and size with the remaining displays, as PPI or different technologies can affect the user experience.
• When used frequently in very bright rooms, please note that the high gloss or reflectivity of the OLED panel may affect visibility; the position of the monitor and the lighting in the room have a greater impact than with matte panels.

Source of editorial recommendations: ENAA guides and team experience.

In practice

💻 Gaming

🟢 An extremely sophisticated monitor for competitive gaming, fast response times, and dynamic scenes in FPS or e-sports.

📊 Business work

🟠 Very sharp image and good visibility for office work, but OLED is not ideal for displaying static applications all day long.

🏠 Home use

🟢 Pleasant for multimedia, browsing and everyday tasks, especially where image quality is important.

🖼️ Graphic design, photo and video

🟢 Very good color rendition and contrast for amateur and enthusiastic work with visual content.

💡 Programming and multitasking

🟠 Enough "workspace" for multiple windows, but due to OLED technology, it is recommended to change the arrangement regularly to prevent glare.

Answers to frequently asked questions

Can I use this OLED monitor as my main monitor for long hours of office work?

Technically this is possible, but prolonged use of static programs (e.g. documents, spreadsheets) increases the risk of permanent marks (burn-in) on the OLED panel.

Is it possible to connect to a laptop or multiple monitors without losing quality?

The monitor supports HDMI and DisplayPort connections; when setting up multiple monitors, make sure the resolution and aspect ratio are consistent.

For which games is 240 Hz really noticeable?

240 Hz is most noticeable in fast-response games such as first-person shooters (FPS), racing games, and eSports, where every millisecond counts.

Is the OLED panel suitable for use in brightly lit rooms?

OLED monitors can have a glossy screen and are more sensitive to reflections, so it is recommended that the room be adjusted (less direct light).

What does OLED panel “burn-in” mean and how do I prevent it?

“Burn-in” is the permanent imprint of static images on the screen; it can be prevented by regularly changing content, using monitor protection features, and by shading static elements.

Description updated: August 2026

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