ASUS ROG Swift OLED PG27UCWM vs Samsung Odyssey OLED G8 G81SF 27-inch

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ROG Swift OLED PG27UCWM compared with Odyssey OLED G8 G81SF 27-inch

	ASUSROG Swift OLED PG27UCWM	SamsungOdyssey OLED G8 G81SF 27-inch
Overview
Released
Released	July 2026	April 2025
Display
Screen size
Screen size	26.5″	27″
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Sharpness
Sharpness	166 pixels per inch (better)	163 pixels per inch
Panel
Panel	OLED (Tandem RGB-stripe WOLED; Dual mode: 1080p at 480 Hz)	QD-OLED
Refresh rate
Refresh rate	240 Hz	240 Hz
Response time (grey to grey)
Response time (grey to grey)	0.03 ms	0.03 ms
Brightness (typical)
Brightness (typical)	250 nits	250 nits
HDR peak brightness
HDR peak brightness	1,000 nits	–
HDR certification
HDR certification	DisplayHDR True Black 400	DisplayHDR True Black 400
HDR formats
HDR formats	HDR10, Dolby Vision	HDR10+ Gaming
Contrast ratio
Contrast ratio	1,500,000:1	1,000,000:1
Colour range
Colour range	99% DCI-P3, 130% sRGB	99% DCI-P3 (CIE 1976)
DCI-P3 coverage
DCI-P3 coverage	99%	99%
Screen finish
Screen finish	Glossy	–
Shape
Shape	Flat	Flat
Adaptive sync
Adaptive sync	G-Sync Compatible, FreeSync Premium Pro, VESA AdaptiveSync	FreeSync Premium Pro
Subpixel layout
Subpixel layout	RGB stripe (no white subpixel)	–
Colour depth
Colour depth	10-bit (1073.7M colours)	Up to 1 billion colours
sRGB coverage
sRGB coverage	130%	–
Colour accuracy
Colour accuracy	Delta E < 2	–
Colour modes
Colour modes	GameVisual: Scenery, Racing, Cinema, RTS/RPG, FPS, sRGB, MOBA	–
HDR detail
HDR detail	ASUS notes the 1,000 cd/m² HDR peak may vary due to colour pre-calibration	DisplayHDR True Black 400 and HDR10+ Gaming
Variable refresh range
Variable refresh range	–	Samsung's current UK specification confirms FreeSync Premium Pro but lists G-Sync as No; its March 2025 launch releases state NVIDIA G-SYNC Compatible support for G81SF
Motion blur reduction
Motion blur reduction	Extreme Low Motion Blur (ELMB)	–
Viewing angles
Viewing angles	178° / 178° (CR ≥ 10)	178° horizontal and vertical
Pixel pitch
Pixel pitch	0.153 mm	–
Eye care
Eye care	TÜV-certified Flicker-free, OLED Anti-Flicker	Eye Saver Mode, Flicker Free and UL-certified Glare Free coating
Burn-in protection
Burn-in protection	ASUS OLED Care Pro (pixel cleaning, screen move, boundary detection, logo and taskbar detection, outer and global dimming, target mode); Neo Proximity Sensor with five sensitivity levels and a 1–15 minute auto-away timer; custom heatsink; GaNFET power supply	OLED Safeguard+ with pulsating heat pipe cooling; burn-in from normal use is covered within warranty, excluding commercial use, abuse and misuse
Calibration
Calibration	Factory pre-calibrated; calibration report via DisplayWidget Center	Factory tuning with calibration report
Connections
Video inputs
Video inputs	2 × HDMI 2.1, DisplayPort 2.1 UHBR20, USB-C	2 × HDMI 2.1, DisplayPort 1.4
USB-C charging
USB-C charging	Up to 90 W (better)	None
USB ports
USB ports	3 × USB-A	2 × USB-A
KVM switch
KVM switch	Yes	–
Ethernet
Ethernet	No	–
Speakers
Speakers	No	No
HDMI detail
HDMI detail	2 × HDMI 2.1 (FRL, 48 Gbps)	2 x HDMI 2.1, HDCP 2.2
DisplayPort detail
DisplayPort detail	Full 80 Gbps bandwidth (listed as DisplayPort 2.1a in ASUS's press release)	1 x DisplayPort 1.4, HDCP 2.2
USB-C detail
USB-C detail	DisplayPort Alt Mode	–
USB hub detail
USB hub detail	3 × USB 3.2 Gen 1 Type-A (5 V / 0.9 A), USB-B upstream	One USB-B upstream and two USB-A downstream ports; USB 3.2 Gen 1
Picture by picture
Picture by picture	PIP and PBP	Picture in picture; no picture by picture (Stuff)
Audio out
Audio out	Earphone jack	Headphone output
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot	Height, tilt, swivel, pivot
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	8.1 kg	6.9 kg
Height adjustment
Height adjustment	0–110 mm	120 mm, ± 5 mm tolerance
Tilt
Tilt	+20° to −5°	-2° to +25°
Swivel
Swivel	+30° to −30°	-30° to +30°
Pivot
Pivot	+90° to −90°	-92° to +92°
VESA pattern
VESA pattern	100 × 100 mm	100 x 100 mm
Size with stand
Size with stand	60.6 × 54.8 × 25.6 cm (W × H × D, highest position)	611.7 x 263.5 x 554.2 mm (W x D x H)
Size without stand
Size without stand	60.6 × 36.9 × 6.3 cm (W × H × D)	611.7 x 49.2 x 353.8 mm (W x D x H)
Weight without stand
Weight without stand	5.4 kg	3.8 kg
Controls
Controls	5-way control button and close button on the back; hotkeys for Dual Mode, GamePlus, GameVisual, volume and pixel cleaning	–
Colours
Colours	Black	Silver with Core Lighting+
Power and support
Power use
Power use	Under 50 W on; under 0.5 W power saving; under 0.3 W off	45 W typical; 140 W maximum; 0.5 W standby; 0.3 W off
Energy class
Energy class	F (SDR), G (HDR)	G
Power supply
Power supply	100–240 V AC, 50/60 Hz	External adapter; AC 100–240V
Software
Software	DisplayWidget Center; ASUS Display Control CLI and Agent Skill	Monitor OSD; no Tizen smart services
Certifications
Certifications	TÜV Flicker-free; VESA AdaptiveSync Display (240 Hz and 480 Hz)	–
Warranty
Warranty	3 years (including panel burn-in)	–
In the box
In the box	DisplayPort 2.1 (DP80) cable, HDMI Ultra High Speed cable, USB-C cable, USB 3.2 cable, power cord, VESA mount kit, microfiber cloth, ROG pouch, ROG sticker, quick start guide, warranty card	HDMI cable, DisplayPort cable and 1.5 m power cable