Dell Alienware 34 280Hz QD-OLED (AW3426DW) vs MSI MPG 341CQPX QD-OLED

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Alienware 34 280Hz QD-OLED (AW3426DW) compared with MPG 341CQPX QD-OLED

	DellAlienware 34 280Hz QD-OLED (AW3426DW)	MSIMPG 341CQPX QD-OLED
Overview
Released
Released	June 2026	May 2024
Display
Screen size
Screen size	34″	34.18″
Resolution
Resolution	3440 × 1440 (UWQHD)	3440 × 1440 (UWQHD)
Sharpness
Sharpness	110 pixels per inch (better)	109 pixels per inch
Panel
Panel	QD-OLED (Penta Tandem QD-OLED)	QD-OLED
Refresh rate
Refresh rate	280 Hz (better)	240 Hz
Response time (grey to grey)
Response time (grey to grey)	0.03 ms	0.03 ms
Brightness (typical)
Brightness (typical)	300 nits (better)	250 nits
HDR peak brightness
HDR peak brightness	1,300 nits (better)	1,000 nits
HDR certification
HDR certification	DisplayHDR True Black 500	DisplayHDR True Black 400
HDR formats
HDR formats	HDR10, Dolby Vision	–
Contrast ratio
Contrast ratio	1,500,000:1	1,500,000:1
Colour range
Colour range	99% DCI-P3	99.3% DCI-P3, 100% sRGB (CIE 1976 coverage)
DCI-P3 coverage
DCI-P3 coverage	99%	99.3% (better)
Colour accuracy (Delta E)
Colour accuracy (Delta E)	Below 2	Below 2
Screen finish
Screen finish	Glossy	–
Shape
Shape	Curved (1800R)	Curved (1800R)
Adaptive sync
Adaptive sync	G-Sync Compatible, FreeSync Premium Pro, VESA AdaptiveSync, HDMI VRR	VESA AdaptiveSync
Subpixel layout
Subpixel layout	RGB stripe	–
Colour depth
Colour depth	1.07 billion colours (10-bit)	10-bit, 1.07 billion colours
sRGB coverage
sRGB coverage	–	100% (CIE 1976 coverage)
Adobe RGB coverage
Adobe RGB coverage	–	97.8% (CIE 1976 coverage)
Colour accuracy
Colour accuracy	Delta E < 2 (average) (sRGB, DCI-P3)	Delta E ≤ 2 (QD Premium Color)
Colour modes
Colour modes	Standard, Creator (DCI-P3 or sRGB), FPS, MOBA/RTS, RPG, Sports, three custom game modes	–
HDR detail
HDR detail	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	VESA DisplayHDR True Black 400; 1,000 nits peak
Variable refresh range
Variable refresh range	48–280 Hz (vertical scan range)	48–240 Hz
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° / 178°
Pixel pitch
Pixel pitch	0.2315 mm x 0.2315 mm	0.2315 × 0.2315 mm
Eye care
Eye care	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	MSI OLED Care 2.0; 3-year warranty including burn-in
Connections
Video inputs
Video inputs	2 × HDMI 2.1, DisplayPort 1.4	2 × HDMI 2.1, DisplayPort 1.4a, USB-C
USB-C charging
USB-C charging	None	Up to 98 W (better)
USB ports
USB ports	USB-C, USB-A	2 × USB-A
KVM switch
KVM switch	–	Yes
Ethernet
Ethernet	No	–
Speakers
Speakers	No	No
HDMI detail
HDMI detail	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	2 × HDMI 2.1, 3440 × 1440 at 240 Hz, full 48 Gbps (Console Mode); HDCP 2.3
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4 (HDCP 1.4 & 2.3), up to 3440 x 1440 at 280 Hz with DSC and HDR	DisplayPort 1.4a; HDCP 2.3
USB-C detail
USB-C detail	1 x USB-C 5Gbps downstream port with 15 W charging (data only, no video)	USB-C with DisplayPort Alt Mode and 98 W power delivery
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)	2 × USB 2.0 Type-A, 1 × USB-B upstream
Audio out
Audio out	–	Headphone out
Picture by picture
Picture by picture	Picture by Picture and Picture in Picture	–
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel	Height, tilt, swivel
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	7.91 kg	8.9 kg
Height adjustment
Height adjustment	110 mm	100 mm
Tilt
Tilt	-5° to 21°	−5° to 20°
Swivel
Swivel	-20° to 20°	−30° to 30°
VESA pattern
VESA pattern	100 x 100 mm	100 × 100 mm
Size with stand
Size with stand	814.15 x 232 x 445.08–555.08 mm (W x D x H)	812 × 318 × 427 mm (W × D × H)
Size without stand
Size without stand	814.15 x 111.23 x 361.55 mm (W x D x H)	812 × 130 × 361 mm (W × D × H)
Weight without stand
Weight without stand	4.88 kg	6.8 kg
Controls
Controls	Joystick	–
Colours
Colours	Black	Black
Power and support
Power use
Power use	31.0 W on mode, 0.5 W standby, 0.3 W off, 190 W maximum	50 W on mode; 0.5 W standby; 0.3 W off
Energy class
Energy class	F	G
Power supply
Power supply	100–240 VAC, 50/60 Hz, 2.8 A (typical)	Internal, 100–240 V
Software
Software	Alienware Command Center	MSI Gaming Intelligence app
Warranty
Warranty	3 years limited hardware with Advanced Exchange Service and Premium Panel Exchange, including burn-in (UK)	3 years
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), microfibre cloth	DisplayPort cable, HDMI cable, USB A-to-B cable, power cord, quick guide