Dell Alienware 27 4K Dual-Resolution (AW2725QF) vs LG UltraGear 27G850A-B

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Alienware 27 4K Dual-Resolution (AW2725QF) compared with UltraGear 27G850A-B

	DellAlienware 27 4K Dual-Resolution (AW2725QF)	LGUltraGear 27G850A-B
Overview
Released
Released	September 2024	February 2025
Display
Screen size
Screen size	27″	27″
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Sharpness
Sharpness	163 pixels per inch	163 pixels per inch
Panel
Panel	IPS (dual mode 1920 x 1080 at 360 Hz)	IPS (Nano IPS Black; dual mode switches to 1920 x 1080 at 480Hz)
Refresh rate
Refresh rate	180 Hz	240 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	0.5 ms (better)	1 ms
Brightness (typical)
Brightness (typical)	400 nits	450 nits (better)
HDR peak brightness
HDR peak brightness	600 nits	–
HDR certification
HDR certification	DisplayHDR 600	DisplayHDR 600
HDR formats
HDR formats	Dolby Vision	HDR10
Contrast ratio
Contrast ratio	1,000:1	2,000:1
Colour range
Colour range	95% DCI-P3	99% DCI-P3 (CIE 1976)
DCI-P3 coverage
DCI-P3 coverage	95%	99% (better)
Colour accuracy (Delta E)
Colour accuracy (Delta E)	Below 2	–
Screen finish
Screen finish	Matte	–
Shape
Shape	Flat	Flat
Adaptive sync
Adaptive sync	G-Sync Compatible, VESA AdaptiveSync, HDMI VRR	G-Sync Compatible, FreeSync Premium Pro, VESA AdaptiveSync
Colour depth
Colour depth	1.07 billion colours (8-bit + A-FRC)	1.07 billion colours; 8-bit plus FRC (PCW and DisplayNinja)
sRGB coverage
sRGB coverage	100%	–
Colour accuracy
Colour accuracy	Delta E ≤ 2 (average) (sRGB)	–
Colour modes
Colour modes	FPS, MOBA/RTS, RPG, Sports, three custom game modes; Creator mode with native (DCI-P3) and sRGB colour spaces	–
HDR detail
HDR detail	600 cd/m² HDR peak; Dolby Vision; VESA DisplayHDR 600	Eight dimming zones (PCW and DisplayNinja); LG Korea lists 750 nits typical peak brightness and 600 nits minimum peak brightness
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)	1ms grey to grey in Faster mode
Variable refresh range
Variable refresh range	48–180 Hz in 4K mode, 48–360 Hz in FHD mode (vertical scan range)	–
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° horizontal and vertical, CR ≥ 10
Pixel pitch
Pixel pitch	0.1554 mm x 0.1554 mm (163 ppi)	0.1554 x 0.1554 mm
Eye care
Eye care	ComfortView Plus hardware low blue light (TÜV Rheinland Category 3); flicker-free	Flicker Safe, Reader Mode and Live Color Low Blue Light with TÜV Rheinland Eyesafe certification
Calibration
Calibration	–	Factory colour calibration and hardware calibration support
Connections
Video inputs
Video inputs	2 × HDMI 2.1, DisplayPort 1.4	2 × HDMI 2.1, DisplayPort 2.1
USB-C charging
USB-C charging	None	None
USB ports
USB ports	USB-C, 3 × USB-A	2 × USB-A
Ethernet
Ethernet	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; 3840 x 2160 at 240Hz or 1920 x 1080 at 480Hz
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 2.1; 3840 x 2160 at 240Hz or 1920 x 1080 at 480Hz
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 3.2 Gen 1; one USB-B upstream and two USB-A downstream ports
Picture by picture
Picture by picture	Picture-in-Picture and Picture-by-Picture	No picture in picture or picture by picture
Audio out
Audio out	–	Four-pole headphone and microphone jack with DTS Headphone:X
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	7.15 kg	9.4 kg
Height adjustment
Height adjustment	110 mm	110 mm
Tilt
Tilt	-5° to 21°	-8° to +15°
Swivel
Swivel	-20° to 20°	-30° to +30°
Pivot
Pivot	-90° to 90°	Counter-clockwise portrait rotation
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)	614.7 x 249.1 x 471.8–581.8 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)	614.7 x 68.1 x 365.4 mm (W x D x H)
Weight without stand
Weight without stand	4.75 kg	5.2 kg
Controls
Controls	–	Rear joystick; user-defined shortcut key
Colours
Colours	Black	Black with Unity Hexagon Lighting
Power and support
Power use
Power use	26.1 W on mode, 0.5 W standby, 0.3 W off, 140 W maximum	44 W on mode (LG Korea); ≤ 0.5 W sleep; ≤ 0.3 W off
Energy class
Energy class	G	–
Power supply
Power supply	100–240 VAC, 50/60 Hz, 1.6 A (typical)	External adapter; 100–240V, 50/60Hz
Software
Software	–	LG Switch, LG Calibration Studio and Dual Controller
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	Adapter, power cable, HDMI cable, DisplayPort cable and USB A to B cable