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27" Odyssey OLED G81SF 240Hz Gaming Monitor

  • Silver
  • 27
4.8 (44) LS27FG810SUXXU

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27" Odyssey OLED G81SF 240Hz Gaming Monitor
Silver 27

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Highlights

Bird's-eye view of the monitor on top of colorful QD-OLED in 4K. The monitor moves to the bottom, showing the screen. Colorful particles enter the screen and show a clear image of multiple planets in the universe moving.

QD-OLED in 4k

Details breathe more life into worlds

Monitor with gaming setup. Reflections can be seen on gaming scene with Glossy Display. OLED Glare Free shows clear image. OLED Glare Free: Reflection Glare UGR <10, Discomfort Glare UGR <22, Disability Glare UGR <34.

Glare Free

Focus without distraction

Samsung OLED Safeguard+

Advanced technologies to prevent burn-ins

A rocket ship breaks out from a screen showing a racing background into the galaxy. 240Hz & 0.03ms.

240Hz refresh rate

Swift and smooth gameplay for every move

Features

Awarded by experts

Awards logo Awards logo

Trusted Reviews Awards 2025

This monitor crams just about everything in. It uses the brand’s latest Quantum Dot OLED tech, boasts a 4K pixel count and a fantastic cooling system. We also loved the anti-glare covering packed into the panel. A true champion.

Awards logo Awards logo

TechRadar Choice Awards 2025

The G81SF delivers an incredible visual experience with ultra-crisp 4K resolution, which also features great fluid motion and wonderful colour accuracy. Combine this with a sleek design and super thermal management, and it's a no-brainer for monitor for the year, and perfect for everyone from competitive gamers to creative designers.

Epic Screen. Epic Play.

* Source: IDC_24.Q3_PC_Monitor, market share based on revenue (2023.Q3~2024.Q3, OLED Total).

YT video YT video

Key features at glance

Immerse yourself in breathtaking detail

QD-OLED in 4K

Explore worlds with unparalleled clarity. This QD-OLED screen delivers crystal-clear 4K quality with the industry-highest pixel density of 166 PPI, ensuring that every detail stands out in any game you play.

Bird's-eye view of the monitor on top of colorful QD-OLED in 4K. The monitor moves to the bottom, showing the screen. Colorful particles enter the screen and show a clear image of multiple planets in the universe moving. Bird's-eye view of the monitor on top of colorful QD-OLED in 4K. The monitor moves to the bottom, showing the screen. Colorful particles enter the screen and show a clear image of multiple planets in the universe moving.
Bird's-eye view of the monitor on top of colorful QD-OLED in 4K. The monitor moves to the bottom, showing the screen. Colorful particles enter the screen and show a clear image of multiple planets in the universe moving. Bird's-eye view of the monitor on top of colorful QD-OLED in 4K. The monitor moves to the bottom, showing the screen. Colorful particles enter the screen and show a clear image of multiple planets in the universe moving.

Stay in the game without distraction

Glare Free

Keep playing, uninterrupted. Glare Free technology makes your screen 54% less glossy than conventional Anti-Reflection film, keeping it clear of reflections from external light sources. Now you can get the drop on your enemies even when daylight is streaming in.

* Verified as Glare-Free by UL based on the verification methods used by UL. For more information on the verification methods used, please visit https://verify.ul.com/verifications/732. "Glare Free" terminology comes from the UL standards for certification and may not accurately describe the feature's performance.* Comparison based on internal test results.

Spot the details in the dark

VESA DisplayHDR TrueBlack 400

Uncover hidden elements in your favourite games. VESA DisplayHDR TrueBlack 400 helps display true, rich blacks without light bleed, enhancing contrast and colour depth. Scenes become more vibrant, adding unmatched depth and clarity to the background.

* Screen images simulated for illustrative purposes.

* Screen images simulated for illustrative purposes.

Samsung OLED Safeguard+

Back of monitor turns red due to heat. X-ray view shows coolant inside heat pipe. Back panel turns blue as if cooled. Back of monitor turns red due to heat. X-ray view shows coolant inside heat pipe. Back panel turns blue as if cooled.

Dynamic Cooling System

Built into a monitor for the first time in the world, Pulsating Heat Pipe releases a coolant that can diffuse heat five times faster than graphite sheet, reducing core temperature and preventing burn-ins.

Back of monitor turns red due to heat. X-ray view shows coolant inside heat pipe. Back panel turns blue as if cooled. Back of monitor turns red due to heat. X-ray view shows coolant inside heat pipe. Back panel turns blue as if cooled.
Image show heat dots and thermal map behind monitor with Black Desert scene. As temperature increases brightness is reduced. Image show heat dots and thermal map behind monitor with Black Desert scene. As temperature increases brightness is reduced.

Thermal Modulation System

Thermal Modulation System uses algorithms to automatically control brightness and prevent overheating.

Image show heat dots and thermal map behind monitor with Black Desert scene. As temperature increases brightness is reduced. Image show heat dots and thermal map behind monitor with Black Desert scene. As temperature increases brightness is reduced.
TV anchor presenting the news. Icon for brightness shows logo and taskbar reducing in brightness. TV anchor presenting the news. Icon for brightness shows logo and taskbar reducing in brightness.

Logo & Taskbar Detection

The brightness on static images, like logos and taskbars, is automatically reduced to prevent burn-ins.

TV anchor presenting the news. Icon for brightness shows logo and taskbar reducing in brightness. TV anchor presenting the news. Icon for brightness shows logo and taskbar reducing in brightness.
A bright and dimmed screen shows dragons flying above character. One reads "Screen Saver OFF" and other "Screen Saver ON." A bright and dimmed screen shows dragons flying above character. One reads "Screen Saver OFF" and other "Screen Saver ON."

Screen Saver

The screen dims itself after 10 minutes of inactivity and comes back to regular brightness with any input.

A bright and dimmed screen shows dragons flying above character. One reads "Screen Saver OFF" and other "Screen Saver ON." A bright and dimmed screen shows dragons flying above character. One reads "Screen Saver OFF" and other "Screen Saver ON."
  • * When "Adjust Logo Brightness" setting is on "Off" or "Low," Thermal Modulation is active in pre-set picture modes only.* When "Adjust Logo Brightness" setting is on "High," Thermal Modulation is always active.
  • * Logo detection is not available in PC mode.
  • * Screen images simulated for illustrative purposes.

Outmaneuver opponents with supreme speed

240Hz Refresh Rate & 0.03ms Response Time

Take your most intense gaming sessions to new heights. Experience ultra-smooth gameplay and razor-sharp visuals with a 240Hz refresh rate and 0.03ms GTG response time.

* Refresh rate and response time may vary based on the performance of the input source.* Based on GtG measured under internal test conditions. Results may vary by content and monitor settings.* GtG (Grey to Grey) measures the time taken for a monitor pixel to change from one grey value to another.

Get smooth action without disruption

AMD FreeSync Premium Pro

Keep your fast-action games fluid with variable refresh rate (VRR) and AMD FreeSync Premium Pro. The synced GPU and panel reduce choppiness, screen lag, and image tears, setting you up for even the most intense gaming sessions.

* Screen images simulated for illustrative purposes.

* Screen images simulated for illustrative purposes.

A screen with style

Stunning in any space

Slim Metal Design

Upgrade your gaming station with a sleek, razor-sharp design. Made from real metal, this monitor sports a premium finish that boosts your style.

Designed to magnify your immersion

CoreSync & CoreLighting+

Set the mood for your gaming. CoreSync technology projects your game's on-screen colours into the real world with 16.7 million colours. Thanks to CoreLighting+, get fully immersed with vibrant colours that instantly shift the vibe.

Maintain winning streaks with ease

Ergonomic Stand

Reach the height of winning in total comfort. Simply tilt and adjust your monitor until all enemies are in perfect view.

Specifications

  • Resolution

    4K (3,840 x 2,160)

  • Aspect Ratio

    16:9

  • Brightness (Typical)

    250cd/㎡

  • Contrast Ratio Static

    1,000,000:1

  • Response Time

    0.03ms(GTG)

  • Refresh Rate

    Max 240Hz

  • Viewing Angle (Horizontal/Vertical)

    178˚/178˚

  • Screen Size (Class)

    27

  • Flat / Curved

    Flat

  • Active Display Size (HxV) (mm)

    589.97 x 332.9 mm

  • Aspect Ratio

    16:9

  • Panel Type

    OLED

  • Burn-In cover in warranty

    Burn-in at normal usage covered within warranty.(But, not covered for Commercial, abuse or mis-use)

  • Brightness (Typical)

    250 cd/㎡

  • Brightness (Min)

    200 cd/㎡

  • Contrast Ratio Static

    1,000,000:1

  • HDR(High Dynamic Range)

    VESA DisplayHDR True Black 400

  • HDR10+

    HDR10+ Gaming

  • Resolution

    4K (3,840 x 2,160)

  • Response Time

    0.03ms(GTG)

  • Viewing Angle (Horizontal/Vertical)

    178˚/178˚

  • Colour Support

    Max 1B

  • Color Gamut (DCI Coverage)

    99% (CIE1976)

  • Refresh Rate

    Max 240Hz

  • Energy Saving Solution

    Yes

  • Eye Saver Mode

    Yes

  • Flicker Free

    Yes

  • Picture-In-Picture

    Yes

  • Quantum Dot Color

    Yes

  • Image Size

    Yes

  • Windows Certification

    Windows11

  • FreeSync

    FreeSync Premium Pro

  • G-Sync

    No

  • Off Timer Plus

    Yes

  • Black Equalizer

    Yes

  • Virtual AIM Point

    Yes

  • Core Sync

    Yes

  • Super Arena Gaming UX

    Yes

  • Auto Source Switch

    Auto Source Switch+

  • Ultrawide Game View

    Yes

  • Smart Type

    No

  • Display Port

    1 EA

  • Display Port Version

    1.4

  • HDCP Version (DP)

    2.2

  • HDMI

    2 EA

  • HDMI Version

    2.1

  • HDCP Version (HDMI)

    2.2

  • Headphone

    Yes

  • USB-C

    No

  • USB-B Upstream Port

    1

  • USB Type-A Downstream Port

    2

  • USB Type-A Downstream Version

    3.2 Gen1

  • Speaker

    No

  • Temperature

    10~40 ℃

  • Humidity

    10~80,non-condensing

  • Factory Tunning

    Yes

  • Factory Calibration Report

    Yes

  • Front Colour

    SILVER

  • Rear Color

    SILVER

  • Stand Color

    Silver

  • Stand Type

    HAS PIVOT

  • HAS(Height Adjustable Stand)

    120.0 ±5.0

  • Tilt

    -2.0º(± 2°) ~ 25.0º(± 2°)

  • Swivel

    -30.0º(± 3°) ~ 30.0º(± 3°)

  • Pivot

    -92.0º(± 2°) ~ 92.0º(± 2°)

  • Wall Mount

    100 x 100

  • Energy Efficiency Class

    G

  • Recycled Plastic

    Yes

  • Power Supply

    AC 100~240V

  • Power Consumption (Max)

    140 W

  • Power Consumption (Typ)

    45.0 W

  • Power Consumption (DPMS)

    0.50 W

  • Power Consumption (Off Mode)

    0.30 W

  • Power Consumption (Yearly)

    66 kWh/year

  • Type

    External Adaptor

  • Set Dimension with Stand (WxHxD)

    611.7 x 554.2 x 263.5 mm

  • Set Dimension without Stand (WxHxD)

    611.7 x 353.8 x 49.2 mm

  • Package Dimension (WxHxD)

    684 x 200 x 464 mm

  • Set Weight with Stand

    6.9 kg

  • Set Weight without Stand

    3.8 kg

  • Package Weight

    9.5 kg

  • Power Cable Length

    1.5 m

  • HDMI Cable

    Yes

  • DP Cable

    Yes

  • UL Glare Free

    Yes

User manual & Downloads Product information sheet

User Manual

ver 2502280 | 1.93 MB

04.06.2025

ENGLISH

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*Purchase from Samsung.com/uk by 18.11.25. Enter code at checkout. Not to be used in conjunction with any other offer.

**Between 05.11.2025 and 02.12.2025 use discount code PAYPAL for £50 discount on orders over £500 for Samsung products purchased from Samsung.com/uk using PayPal as the payment method. Excludes accessories and memory storage. Discount code can be used in conjunction with other discounts and promotions, but when purchasing a Laptop only GALAXY100 promotional code can be used in conjunction with the discount code. One (1) redemption per household; non-transferrable. Samsung Students and Enhanced Partnership Programmes excluded. To redeem, proceed to checkout and select PayPal as payment option and apply code PAYPAL before continuing to PayPal.