Samsung Odyssey OLED G8 G81SF vs ASUS ROG Strix OLED XG27AQWMG

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the Samsung Odyssey OLED G8 G81SF is the better pick — it scores 59/100 to the ASUS ROG Strix OLED XG27AQWMG's 56, leading on Panel and Image Quality. Choose the ASUS ROG Strix OLED XG27AQWMG instead if performance and hdr matter most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

Samsung Odyssey OLED G8 G81SF and ASUS ROG Strix OLED XG27AQWMG are closely matched

Samsung Odyssey OLED G8 G81SF

ASUS ROG Strix OLED XG27AQWMG

Where Samsung Odyssey OLED G8 G81SF stands out

Panel Screen Size: 32 in (21% more)
Panel Resolution: 3840 × 2160 px
Panel Pixel Density: 140 (26% more)

Where ASUS ROG Strix OLED XG27AQWMG stands out

Performance Refresh Rate: 280 Hz (17% more)

Watch-outs

Compromises to know before you buy

Samsung Odyssey OLED G8 G81SF

No USB-C — no single-cable laptop connection.

ASUS ROG Strix OLED XG27AQWMG

No USB-C — no single-cable laptop connection.

Winner by category for Samsung Odyssey OLED G8 G81SF vs ASUS ROG Strix OLED XG27AQWMG
Category	Samsung Odyssey OLED G8 G81SF	ASUS ROG Strix OLED XG27AQWMG	Winner
Panel	87	30	Samsung Odyssey OLED G8 G81SF
Image Quality	58	50	Samsung Odyssey OLED G8 G81SF
Performance	37	63	ASUS ROG Strix OLED XG27AQWMG
HDR	0	100	ASUS ROG Strix OLED XG27AQWMG
Connectivity	38	38	Tie
Ergonomics	85	85	Tie

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

Samsung Odyssey OLED G8 G81SF

The Samsung Odyssey OLED G8 G81SF is a flat gaming monitor featuring a QD-OLED panel, designed for users who want high-performance gaming alongside media streaming capabilities. It integrates smart television software, allowing it to double as a standalone entertainment display without requiring an active PC connection. The monitor is designed with a matte screen finish to help manage ambient light reflections in various room setups.

Best for Gaming in environments with ambient light where reflections must be diffusedBest for Dual-purpose setups where the display serves as both a gaming monitor and a…

Pros

Extremely fast pixel response times that minimize motion blur during fast gameplay
True black levels and high contrast ratio characteristic of self-emissive QD-OLED technology
Integrated smart TV platform for direct access to streaming applications
Matte screen finish that successfully diffuses harsh reflections from ambient light sources

Cons

Matte screen coating can slightly diffuse ambient light, which can raise perceived black levels in highly illuminated rooms
Smart TV operating system introduces extra menu complexity and setup steps for users wanting a basic plug-and-play monitor

ASUS ROG Strix OLED XG27AQWMG

The ASUS ROG Strix OLED XG27AQWMG is a 27-inch 1440p gaming monitor utilizing a glossy Tandem WOLED panel designed for high-performance visual playback and fast-paced gaming. Targeted at competitive gamers and display enthusiasts, it offers a 280Hz refresh rate alongside a peak HDR brightness rating of 1,500 cd/m² and 99.5% DCI-P3 color coverage. It also includes VRR support via Adaptive-Sync and G-SYNC compatibility.

Best for Competitive 1440p PC gaming requiring high frame rates and swift response timesBest for HDR gaming and media consumption in dark or light-controlled environments

Pros

High 280Hz refresh rate paired with low motion blur technology
Glossy Tandem WOLED panel delivering deep contrast and 1,500 cd/m² peak HDR brightness
Extensive 99.5% DCI-P3 color space coverage
Includes a 3-year warranty that explicitly covers panel burn-in

Cons

Stand adjustment is limited to tilt only without built-in height or swivel options
Lacks a USB-C port for single-cable display and laptop charging

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

Samsung Odyssey OLED G8 G81SF

Check Price on Amazon

ASUS ROG Strix OLED XG27AQWMG

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

Samsung Odyssey OLED G8 G81SFASUS ROG Strix OLED XG27AQWMG

Samsung Odyssey OLED G8 G81SF is 0.5 kg (10%) heavier than ASUS ROG Strix OLED XG27AQWMG.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	Samsung Odyssey OLED G8 G81SF	ASUS ROG Strix OLED XG27AQWMG
Screen Size	32 in21% more	26.5 in
Resolution	3840 × 2160 px	2560 × 1440 px
Panel Type
Aspect Ratio	16:9	16:9
Pixel Density	14026% more	111
Curved	No	N/A
Screen-to-body ratio	95%	87%

Image Quality

Feature	Samsung Odyssey OLED G8 G81SF	ASUS ROG Strix OLED XG27AQWMG
Brightness (typical)	260 nits	N/A
Contrast Ratio	1000000:1	1500000:1
Color Gamut (DCI-P3)	99	99
Color Depth	10-bit	10-bit

Performance

Feature	Samsung Odyssey OLED G8 G81SF	ASUS ROG Strix OLED XG27AQWMG
Refresh Rate	240 Hz	280 Hz17% more
Response Time (GtG)	0.03 ms	0.03 ms
Adaptive Sync	FreeSync Premium Pro	Adaptive-Sync / G-Sync Compatible

HDR

Feature	Samsung Odyssey OLED G8 G81SF	ASUS ROG Strix OLED XG27AQWMG
HDR Format	HDR10+, DisplayHDR True Black 400	HDR10, DisplayHDR True Black 500
Peak Brightness (HDR)	N/A	1,500 nits

Connectivity

Feature	Samsung Odyssey OLED G8 G81SF	ASUS ROG Strix OLED XG27AQWMG
HDMI Ports	2	2
DisplayPort	1	1
USB-C	No	No
USB Hub	Yes	Yes

Ergonomics

Feature	Samsung Odyssey OLED G8 G81SF	ASUS ROG Strix OLED XG27AQWMG
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 px	100 × 100 px
Built-in Speakers	No	No
Dimensions (without stand)	71.97 × 41.47 × 4.92 cm	60.5 × 36.8 × 6.3 cm
Weight (without stand)	5.3 kg	4.8 kg
Release Date	February 1, 2025	November 7, 2025

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about Samsung Odyssey OLED G8 G81SF vs ASUS ROG Strix OLED XG27AQWMG comparison

Based on our overall comparison score, Samsung Odyssey OLED G8 G81SF rates higher at 78/100 versus 72/100 for ASUS ROG Strix OLED XG27AQWMG — a 6-point lead. Samsung Odyssey OLED G8 G81SF is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.

Samsung Odyssey OLED G8 G81SF and ASUS ROG Strix OLED XG27AQWMG are compared side by side above across every spec in the monitors category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 78/100 for Samsung Odyssey OLED G8 G81SF and 72/100 for ASUS ROG Strix OLED XG27AQWMG.

If you want the higher-rated monitors option overall, Samsung Odyssey OLED G8 G81SF (78/100) edges out ASUS ROG Strix OLED XG27AQWMG (72/100). But if ASUS ROG Strix OLED XG27AQWMG is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.