Dell Alienware 27 4K Dual-Resolution (AW2725QF) vs Dell Alienware 34 280Hz QD-OLED (AW3426DW)

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Alienware 27 4K Dual-Resolution (AW2725QF) compared with Alienware 34 280Hz QD-OLED (AW3426DW)

	DellAlienware 27 4K Dual-Resolution (AW2725QF)	DellAlienware 34 280Hz QD-OLED (AW3426DW)
Overview
Released
Released	September 2024	June 2026
Display
Screen size
Screen size	27″	34″
Resolution
Resolution	3840 × 2160 (4K) (better)	3440 × 1440 (UWQHD)
Sharpness
Sharpness	163 pixels per inch (better)	110 pixels per inch
Panel
Panel	IPS (dual mode 1920 x 1080 at 360 Hz)	QD-OLED (Penta Tandem QD-OLED)
Refresh rate
Refresh rate	180 Hz	280 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	0.5 ms	0.03 ms (better)
Brightness (typical)
Brightness (typical)	400 nits (better)	300 nits
HDR peak brightness
HDR peak brightness	600 nits	1,300 nits (better)
HDR certification
HDR certification	DisplayHDR 600	DisplayHDR True Black 500
HDR formats
HDR formats	Dolby Vision	HDR10, Dolby Vision
Contrast ratio
Contrast ratio	1,000:1	1,500,000:1
Colour range
Colour range	95% DCI-P3	99% DCI-P3
DCI-P3 coverage
DCI-P3 coverage	95%	99% (better)
Colour accuracy (Delta E)
Colour accuracy (Delta E)	Below 2	Below 2
Screen finish
Screen finish	Matte	Glossy
Shape
Shape	Flat	Curved (1800R)
Adaptive sync
Adaptive sync	G-Sync Compatible, VESA AdaptiveSync, HDMI VRR	G-Sync Compatible, FreeSync Premium Pro, VESA AdaptiveSync, HDMI VRR
Subpixel layout
Subpixel layout	–	RGB stripe
Colour depth
Colour depth	1.07 billion colours (8-bit + A-FRC)	1.07 billion colours (10-bit)
sRGB coverage
sRGB coverage	100%	–
Colour accuracy
Colour accuracy	Delta E ≤ 2 (average) (sRGB)	Delta E < 2 (average) (sRGB, DCI-P3)
Colour modes
Colour modes	FPS, MOBA/RTS, RPG, Sports, three custom game modes; Creator mode with native (DCI-P3) and sRGB colour spaces	Standard, Creator (DCI-P3 or sRGB), FPS, MOBA/RTS, RPG, Sports, three custom game modes
HDR detail
HDR detail	600 cd/m² HDR peak; Dolby Vision; VESA DisplayHDR 600	1300 cd/m² HDR peak at 3% APL; Smart HDR modes Desktop, Movie HDR, Game HDR, Custom Color HDR, DisplayHDR True Black (500 cd/m²), HDR Peak 1300 and HDR Peak 1300 Bright
Response time detail
Response time detail	0.5 ms grey-to-grey minimum, 1 ms most observed (Extreme); 2 ms (Super Fast); 3 ms (Fast)	–
Variable refresh range
Variable refresh range	48–180 Hz in 4K mode, 48–360 Hz in FHD mode (vertical scan range)	48–280 Hz (vertical scan range)
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° horizontal, 178° vertical (typical)
Pixel pitch
Pixel pitch	0.1554 mm x 0.1554 mm (163 ppi)	0.2315 mm x 0.2315 mm
Eye care
Eye care	ComfortView Plus hardware low blue light (TÜV Rheinland Category 3); flicker-free	Hardware low blue light (TÜV Rheinland Hardware Solution); flicker-free
Burn-in protection
Burn-in protection	–	Anti-burn-in algorithm, graphite heat-dispersion sheet, pixel refresh, pixel shift and panel health indicator; 3-year warranty includes burn-in
Connections
Video inputs
Video inputs	2 × 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, 3 × USB-A	USB-C, USB-A
Ethernet
Ethernet	No	No
Speakers
Speakers	No	No
HDMI detail
HDMI detail	2 x HDMI 2.1 FRL (HDCP 1.4 and 2.2), 3840 x 2160 at 165 Hz or 1920 x 1080 at 330 Hz (overclockable to 180 Hz and 360 Hz), HDR, VRR; one port with eARC/ARC for Dolby Atmos pass-through	2 x HDMI 2.1 FRL (HDCP 1.4 & 2.3), up to 3440 x 1440 at 280 Hz with HDR, VRR and DSC; up to 3840 x 2160 at 120 Hz in Console Mode
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4 (HDCP 1.4 and 2.2), 3840 x 2160 at 165 Hz or 1920 x 1080 at 330 Hz (overclockable to 180 Hz and 360 Hz), DSC, HDR	1 x DisplayPort 1.4 (HDCP 1.4 & 2.3), up to 3440 x 1440 at 280 Hz with DSC and HDR
USB-C detail
USB-C detail	–	1 x USB-C 5Gbps downstream port with 15 W charging (data only, no video)
USB hub detail
USB hub detail	USB 5Gbps; 1 x USB-B upstream; 2 x USB-A rear; quick access 1 x USB-C (15 W) and 1 x USB-A with BC1.2 charging	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-in-Picture and 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	7.15 kg	7.91 kg
Height adjustment
Height adjustment	110 mm	110 mm
Tilt
Tilt	-5° to 21°	-5° to 21°
Swivel
Swivel	-20° to 20°	-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	611.44 x 243.70 x 408.68–518.68 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	611.44 x 67.40 x 361.18 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	4.75 kg	4.88 kg
Controls
Controls	–	Joystick
Colours
Colours	Black	Black
Power and support
Power use
Power use	26.1 W on mode, 0.5 W standby, 0.3 W off, 140 W maximum	31.0 W on mode, 0.5 W standby, 0.3 W off, 190 W maximum
Energy class
Energy class	G	F
Power supply
Power supply	100–240 VAC, 50/60 Hz, 1.6 A (typical)	100–240 VAC, 50/60 Hz, 2.8 A (typical)
Software
Software	–	Alienware Command Center
Warranty
Warranty	–	3 years limited hardware with Advanced Exchange Service and Premium Panel Exchange, including burn-in (UK)
Certifications
Certifications	NVIDIA G-SYNC Compatible, VESA AdaptiveSync Display, VESA DisplayHDR 600, TÜV Rheinland hardware low blue light (Category 3)	–
In the box
In the box	Stand, power cable, DisplayPort 1.4 cable (1.8 m), HDMI 2.1 FRL cable (1.8 m), USB-A to USB-B 5Gbps cable (1.8 m), Alienware sticker	Stand, power cable, DisplayPort 1.4 cable (1.8 m), HDMI 2.1 FRL cable (1.8 m), USB-A to USB-B 5Gbps cable (1.8 m), microfibre cloth