Dell Alienware 27 280Hz (AW2726DL) vs Dell Alienware 34 240Hz QD-OLED (AW3425DW)

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Alienware 27 280Hz (AW2726DL) compared with Alienware 34 240Hz QD-OLED (AW3425DW)

	DellAlienware 27 280Hz (AW2726DL)	DellAlienware 34 240Hz QD-OLED (AW3425DW)
Overview
Released
Released	April 2026	April 2025
Display
Screen size
Screen size	27″	34.2″
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)	240 Hz
Response time (grey to grey)
Response time (grey to grey)	1 ms	0.03 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	1,500,000:1
Colour range
Colour range	93% DCI-P3	99.3% DCI-P3
DCI-P3 coverage
DCI-P3 coverage	93%	99.3% (better)
Colour accuracy (Delta E)
Colour accuracy (Delta E)	–	Below 2
Screen finish
Screen finish	Matte	Glossy
Shape
Shape	Flat	Curved (1800R)
Adaptive sync
Adaptive sync	FreeSync Premium, VESA AdaptiveSync, HDMI VRR	G-Sync Compatible, FreeSync Premium Pro, VESA AdaptiveSync, HDMI VRR
Colour depth
Colour depth	1.07 billion colours (8-bit + FRC)	1.07 billion colours
Colour accuracy
Colour accuracy	–	Delta E < 2 (average) (sRGB, DCI-P3)
Colour modes
Colour modes	–	Standard, Creator, FPS, MOBA/RTS, RPG, Sports, three custom game modes
HDR detail
HDR detail	HDR10	1000 cd/m² HDR peak at 3% APL
Response time detail
Response time detail	1 ms (Extreme), 2 ms (Super Fast), 4 ms (Fast) grey to grey	–
Variable refresh range
Variable refresh range	48–280 Hz (vertical scan range)	48–240 Hz (vertical scan range)
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° horizontal, 178° vertical (typical)
Pixel pitch
Pixel pitch	0.2331 mm x 0.2331 mm (109 ppi)	0.2315 mm x 0.2315 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 Hardware Solution); flicker-free
Burn-in protection
Burn-in protection	–	Dell gives its QD-OLED Alienware monitors a 3-year limited warranty that covers burn-in
Connections
Video inputs
Video inputs	HDMI 2.1, DisplayPort 1.4	2 × HDMI 2.1, DisplayPort 1.4
USB-C charging
USB-C charging	None	None
USB ports
USB ports	–	USB-C, USB-A
Ethernet
Ethernet	No	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 2.1 FRL (HDCP 1.4 & 2.3), up to 3440 x 1440 at 240 Hz with HDR and VRR
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 (HDCP 1.4 & 2.3), up to 3440 x 1440 at 240 Hz with DSC and HDR
USB-C detail
USB-C detail	–	1 x USB-C 5Gbps downstream port with 15 W charging (no video)
USB hub detail
USB hub detail	–	USB 5Gbps; 1 x Type-B upstream; 1 x Type-A downstream; 1 x USB-C downstream (15 W)
Picture by picture
Picture by picture	–	Picture by Picture and Picture in Picture
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	8.14 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)	814.15 x 232 x 445.08–555.08 mm (W x D x H)
Size without stand
Size without stand	613.50 x 48.10 x 358.50 mm (W x D x H)	814.15 x 111.23 x 361.55 mm (W x D x H)
Weight without stand
Weight without stand	3.30 kg	5.09 kg
Controls
Controls	–	Joystick
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	31.0 W on mode, 0.5 W standby, 0.3 W off, 190 W maximum
Energy class
Energy class	F	–
Power supply
Power supply	100–240 VAC, 50/60 Hz, 1.5 A (maximum)	100–240 VAC, 50/60 Hz, 2.8 A (typical)
Software
Software	–	Alienware Command Center
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)	–
In the box
In the box	Stand, Allen key and four M4 screws, power cable, DisplayPort cable (1.8 m)	Stand, power cable, HDMI 2.1 FRL cable (1.8 m), DisplayPort 1.4 cable (1.8 m), USB-A to USB-B 5Gbps cable (1.8 m), microfibre cloth