Dell UltraSharp 27 4K USB-C Hub Monitor (U2723QE) vs LG UltraFine 27US550

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UltraSharp 27 4K USB-C Hub Monitor (U2723QE) compared with UltraFine 27US550

	DellUltraSharp 27 4K USB-C Hub Monitor (U2723QE)	LGUltraFine 27US550
Overview
Released
Released	March 2022	November 2024
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 (IPS Black)	IPS
Refresh rate
Refresh rate	60 Hz	60 Hz
Response time (grey to grey)
Response time (grey to grey)	5 ms	5 ms
Brightness (typical)
Brightness (typical)	400 nits (better)	300 nits
HDR formats
HDR formats	–	HDR10
HDR certification
HDR certification	DisplayHDR 400	–
Contrast ratio
Contrast ratio	2,000:1	1,000:1
Colour range
Colour range	98% DCI-P3, 100% sRGB, 100% Rec.709	90% DCI-P3 (CIE 1976)
DCI-P3 coverage
DCI-P3 coverage	98% (better)	90%
Colour accuracy (Delta E)
Colour accuracy (Delta E)	Below 2	–
Screen finish
Screen finish	Matte	–
Shape
Shape	Flat	Flat
Colour depth
Colour depth	1.07 billion colours	10-bit (8-bit + FRC), 1.07 billion colours
sRGB coverage
sRGB coverage	100%	–
Colour accuracy
Colour accuracy	Delta E < 2 (average) (sRGB, Rec.709, DCI-P3)	–
Colour modes
Colour modes	100% sRGB, 100% Rec.709, 98% DCI-P3	–
HDR detail
HDR detail	Smart HDR modes (Movie HDR, Game HDR); VESA DisplayHDR 400 (Notebookcheck)	HDR10, HDR Effect
Response time detail
Response time detail	5 ms (Fast mode), 8 ms (Normal mode)	5 ms GtG (Faster mode)
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° horizontal, 178° vertical (CR ≥ 10)
Pixel pitch
Pixel pitch	0.1554 mm x 0.1554 mm	0.1554 x 0.1554 mm
Eye care
Eye care	–	Flicker Safe, Reader Mode, Color Weakness mode
Connections
Video inputs
Video inputs	HDMI 2.0, DisplayPort 1.4, USB-C	2 × HDMI 2.0, DisplayPort 1.4
USB-C charging
USB-C charging	Up to 90 W (better)	None
USB ports
USB ports	5 × USB-A, USB-C	–
KVM switch
KVM switch	Yes	–
Ethernet
Ethernet	Yes	No
Speakers
Speakers	No	No
HDMI detail
HDMI detail	1 x HDMI 2.0 (HDCP 2.2)	2 x HDMI 2.0
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4 in with DSC (HDCP 2.2); 1 x DisplayPort out (MST)	1 x DisplayPort 1.4
USB-C detail
USB-C detail	USB-C upstream with DisplayPort 1.4 (DSC) and 90 W Power Delivery; USB-C 10Gbps upstream for KVM; USB-C 10Gbps downstream (15 W) in the quick access ports	–
Daisy chaining
Daisy chaining	DisplayPort out (MST)	–
USB hub detail
USB hub detail	4 x USB-A 10Gbps; quick access ports with 1 x USB-A 10Gbps (BC 1.2) and 1 x USB-C 10Gbps (15 W)	–
Audio out
Audio out	3.5 mm analog 2.0 audio line out	3-pole headphone out (sound only)
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	6.64 kg	6.8 kg
VESA pattern
VESA pattern	–	100 x 100 mm
Height adjustment
Height adjustment	150 mm	–
Tilt
Tilt	-5° to 21°	–
Swivel
Swivel	-45° to 45°	–
Pivot
Pivot	-90° to 90°	–
Size with stand
Size with stand	611.44 x 185.00 x 385.18–535.18 mm (W x D x H)	613.5 x 539.2 x 253.2 mm (W x H x D, raised)
Size without stand
Size without stand	611.44 x 54.33 x 353.01 mm (W x D x H)	613.5 x 363.5 x 45.4 mm (W x H x D)
Weight without stand
Weight without stand	4.48 kg	4.2 kg
Colours
Colours	–	White
Power and support
Power use
Power use	25.9 W on mode, 0.3 W standby, 0.2 W off, 220 W maximum	25 W typical, 26 W maximum, less than 0.5 W sleep, less than 0.3 W DC off
Power supply
Power supply	100–240 VAC, 50/60 Hz, 2.7 A (maximum)	External adapter, 100–240 V AC, 50/60 Hz; 19 V 2.1 A (40 W)
Software
Software	Dell Display Manager (Easy Arrange)	LG Switch, Dual Controller
In the box
In the box	Stand, power cable, DisplayPort cable (1.8 m), USB-C to USB-C cable (1 m), USB-A to USB-C cable (1 m)	Power adapter, HDMI cable (white, 1.5 m)