Dell Alienware 27 280Hz (AW2726DL) vs Dell Alienware 34 Curved QD-OLED (AW3423DW)

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Alienware 27 280Hz (AW2726DL) compared with Alienware 34 Curved QD-OLED (AW3423DW)

	DellAlienware 27 280Hz (AW2726DL)	DellAlienware 34 Curved QD-OLED (AW3423DW)
Overview
Released
Released	April 2026	2022
Display
Screen size
Screen size	27″	34.18″
Resolution
Resolution	2560 × 1440 (QHD)	3440 × 1440 (UWQHD) (better)
Sharpness
Sharpness	109 pixels per inch	109 pixels per inch
Panel
Panel	IPS	QD-OLED
Refresh rate
Refresh rate	280 Hz (better)	175 Hz
Response time (grey to grey)
Response time (grey to grey)	1 ms	0.1 ms (better)
Brightness (typical)
Brightness (typical)	400 nits (better)	250 nits
HDR peak brightness
HDR peak brightness	–	1,000 nits
HDR certification
HDR certification	–	DisplayHDR True Black 400
HDR formats
HDR formats	HDR10	–
Contrast ratio
Contrast ratio	1,000:1	1,000,000:1
Colour range
Colour range	93% DCI-P3	99.3% DCI-P3
DCI-P3 coverage
DCI-P3 coverage	93%	99.3% (better)
Screen finish
Screen finish	Matte	–
Shape
Shape	Flat	Curved (1800R)
Adaptive sync
Adaptive sync	FreeSync Premium, VESA AdaptiveSync, HDMI VRR	G-Sync
Subpixel layout
Subpixel layout	–	Triangular RGB arrangement (TFTCentral)
Colour depth
Colour depth	1.07 billion colours (8-bit + FRC)	1.07 billion colours up to 144Hz; 16.7 million colours at 175Hz
sRGB coverage
sRGB coverage	–	149% sRGB (maker stated gamut)
Colour modes
Colour modes	–	Creator mode offers sRGB and DCI-P3 presets (TFTCentral)
HDR detail
HDR detail	HDR10	DisplayHDR True Black 400; HDR Peak 1000 mode; per-pixel light control
Response time detail
Response time detail	1 ms (Extreme), 2 ms (Super Fast), 4 ms (Fast) grey to grey	Maker's 0.1ms figure is grey to grey
Variable refresh range
Variable refresh range	48–280 Hz (vertical scan range)	–
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° horizontal and vertical
Pixel pitch
Pixel pitch	0.2331 mm x 0.2331 mm (109 ppi)	0.23 mm
Eye care
Eye care	Hardware low blue light (TÜV Rheinland Category 3); TÜV Rheinland Eye Comfort 3.0 (3 star); flicker-free	ComfortView Plus hardware low blue light, TÜV Rheinland certified; ambient light sensor
Burn-in protection
Burn-in protection	–	Pixel shifting, pixel refresh and panel refresh (TFTCentral); three-year maker warranty includes OLED burn-in
Connections
Video inputs
Video inputs	HDMI 2.1, DisplayPort 1.4	2 × HDMI 2.0, DisplayPort 1.4
USB-C charging
USB-C charging	None	None
USB ports
USB ports	–	4 × USB-A
Ethernet
Ethernet	No	–
Speakers
Speakers	No	No
HDMI detail
HDMI detail	1 x HDMI (HDCP 1.4 and 2.3), up to 2560 x 1440 at 280 Hz with FRL, HDR and VRR as specified in HDMI 2.1	2 x HDMI 2.0; up to 3440 x 1440 at 100Hz
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4 (HDCP 1.4 and 2.3), up to 2560 x 1440 at 280 Hz with DSC, HDR and AdaptiveSync	1 x DisplayPort 1.4; up to 3440 x 1440 at 175Hz
USB hub detail
USB hub detail	–	USB 3.2 Gen 1, 5Gbps; one USB-B upstream and four USB-A downstream, including one front-bottom BC 1.2 charging port at up to 2A
Audio out
Audio out	–	Rear line output and bottom headphone output
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot (better)	Height, tilt, swivel
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	5.01 kg	10.37 kg
Height adjustment
Height adjustment	130 mm	110 mm
Tilt
Tilt	-5° to 21°	-5° to 21°
Swivel
Swivel	-173° to 173°	-20° to 20°
Pivot
Pivot	-90° to 90°	–
VESA pattern
VESA pattern	100 x 100 mm	100 x 100 mm
Size with stand
Size with stand	613.50 x 214.70 x 381.06–511.06 mm (W x D x H)	815.25 x 305.71 x 415.57 mm (W x D x H, lowest position)
Size without stand
Size without stand	613.50 x 48.10 x 358.50 mm (W x D x H)	815.25 x 137.11 x 364.15 mm (W x D x H)
Weight without stand
Weight without stand	3.30 kg	6.92 kg
Controls
Controls	–	Joystick (TFTCentral); AlienFX lighting
Colours
Colours	Black	–
Power and support
Power use
Power use	25 W on mode, 0.3 W standby, 0.3 W off, 58 W maximum	42.3 W on mode; 200 W maximum; 0.5 W standby; 0.3 W off
Energy class
Energy class	F	–
Power supply
Power supply	100–240 VAC, 50/60 Hz, 1.5 A (maximum)	100–240 VAC, 50/60Hz
Certifications
Certifications	AMD FreeSync Premium, VESA AdaptiveSync Display, TÜV Rheinland Eye Comfort 3.0 (3 star), TÜV Rheinland hardware low blue light (Category 3)	–
Warranty
Warranty	3 years limited with Advanced Exchange Service (UK)	Three-year Advanced Exchange Service and Premium Panel Exchange, including OLED burn-in
In the box
In the box	Stand, Allen key and four M4 screws, power cable, DisplayPort cable (1.8 m)	DisplayPort cable, Mini DisplayPort-to-DisplayPort cable, HDMI cable and USB upstream cable