Dell 27 Plus QHD Monitor (S2725DSM) vs LG UltraGear 27GL850-B

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27 Plus QHD Monitor (S2725DSM) compared with UltraGear 27GL850-B

	Dell27 Plus QHD Monitor (S2725DSM)	LGUltraGear 27GL850-B
Overview
Released
Released	September 2025	July 2019
Display
Screen size
Screen size	27″	27″
Resolution
Resolution	2560 × 1440 (QHD)	2560 × 1440 (QHD)
Sharpness
Sharpness	109 pixels per inch	109 pixels per inch
Panel
Panel	IPS	IPS (Nano IPS)
Refresh rate
Refresh rate	144 Hz	144 Hz
Response time (grey to grey)
Response time (grey to grey)	4 ms	1 ms (better)
Brightness (typical)
Brightness (typical)	350 nits	350 nits
HDR formats
HDR formats	–	HDR10
Contrast ratio
Contrast ratio	1,500:1	1,000:1
Colour range
Colour range	99% sRGB	98% DCI-P3 (CIE 1976)
DCI-P3 coverage
DCI-P3 coverage	–	98%
Screen finish
Screen finish	Matte	–
Shape
Shape	Flat	Flat
Adaptive sync
Adaptive sync	FreeSync, VESA AdaptiveSync, HDMI VRR	G-Sync Compatible, FreeSync
Colour depth
Colour depth	16.7 million colours	1.07 billion colours; 8-bit plus FRC (TFTCentral)
sRGB coverage
sRGB coverage	99% (CIE 1931)	135% sRGB (LG Korea)
Colour accuracy
Colour accuracy	–	Factory colour calibration
Colour modes
Colour modes	–	sRGB and Reader modes; Gamer, FPS and RTS presets (TFTCentral)
HDR detail
HDR detail	–	HDR10 input support; no local dimming (TFTCentral)
Response time detail
Response time detail	1 ms MPRT; 4 ms (Extreme), 5 ms (Fast), 8 ms (Normal) grey to grey	1ms grey to grey in Faster mode; LG warns this setting can cause visible trails and recommends Fast if they occur
Variable refresh range
Variable refresh range	48–144 Hz (vertical scan range)	48–144Hz over DisplayPort; 48–100Hz over HDMI with adaptive sync (TFTCentral)
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° horizontal and vertical, CR ≥ 10
Pixel pitch
Pixel pitch	0.2331 mm x 0.2331 mm	0.2331 x 0.2331 mm
Eye care
Eye care	ComfortView Plus hardware low blue light (TÜV Rheinland Category 2); TÜV Rheinland Eye Comfort 3.0 (4 star); flicker-free	Flicker Safe and Reader Mode
Connections
Video inputs
Video inputs	HDMI 2.1 (TMDS), DisplayPort 1.4	2 × HDMI 2.0, DisplayPort 1.4
USB-C charging
USB-C charging	None	None
USB ports
USB ports	–	2 × USB-A
Ethernet
Ethernet	No	–
Speakers
Speakers	Yes	No
HDMI detail
HDMI detail	1 x HDMI (HDCP 1.4), up to 2560 x 1440 at 144 Hz TMDS with VRR as specified in HDMI 2.1	2 x HDMI 2.0; 2560 x 1440 at 144Hz with 8-bit colour in LG's specification; adaptive-sync operation has a lower maximum
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4 (HDCP 1.4), up to 2560 x 1440 at 144 Hz with AdaptiveSync	1 x DisplayPort 1.4; 2560 x 1440 at 144Hz with 10-bit colour
USB hub detail
USB hub detail	–	USB 3.0; one upstream and two downstream ports
Audio out
Audio out	–	Headphone output
Speaker detail
Speaker detail	2 x 3 W	–
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot (better)	Height, tilt, pivot
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	6.39 kg	6.1 kg
Height adjustment
Height adjustment	110 mm	110 mm
Tilt
Tilt	-5° to 21°	–
Swivel
Swivel	-30° to 30°	–
Pivot
Pivot	-90° to 90°	–
VESA pattern
VESA pattern	100 x 100 mm	100 x 100 mm
Size with stand
Size with stand	611.34 x 201.83 x 390.13–500.13 mm (W x D x H)	614.2 x 274.4 x 464.8–574.8 mm (W x D x H)
Size without stand
Size without stand	611.34 x 58.87 x 355.98 mm (W x D x H)	614.2 x 56.3 x 364.8 mm (W x D x H)
Weight without stand
Weight without stand	4.34 kg	4.2 kg
Controls
Controls	Joystick	–
Colours
Colours	Ash White	Black with red trim
Power and support
Power use
Power use	21.4 W on mode, 0.3 W standby, 0.3 W off, 65 W maximum	51 W on mode; 65 W maximum; ≤ 0.5 W sleep; ≤ 0.3 W off
Energy class
Energy class	E	–
Power supply
Power supply	100–240 VAC, 50/60 Hz, 1.5 A (typical)	External adapter; 100–240V, 50/60Hz
Software
Software	Dell Display and Peripheral Manager	OnScreen Control
Certifications
Certifications	TÜV Rheinland Eye Comfort 3.0 (4 star), TÜV Rheinland hardware low blue light (Category 2)	–
Warranty
Warranty	3 years with Advanced Exchange Service and Premium Panel Exchange (UK)	–
In the box
In the box	Stand, VESA cover, power cable, HDMI cable (1.8 m)	Adapter, power cable, HDMI cable, DisplayPort cable and USB 3.0 upstream cable