Dell UltraSharp 27 4K USB-C Hub Monitor (U2723QE) vs Dell UltraSharp 40 Curved Thunderbolt Hub (U4025QW)

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UltraSharp 27 4K USB-C Hub Monitor (U2723QE) compared with UltraSharp 40 Curved Thunderbolt Hub (U4025QW)

	DellUltraSharp 27 4K USB-C Hub Monitor (U2723QE)	DellUltraSharp 40 Curved Thunderbolt Hub (U4025QW)
Overview
Released
Released	March 2022	January 2024
Display
Screen size
Screen size	27″	39.7″
Resolution
Resolution	3840 × 2160 (4K)	5120 × 2160 (5K2K) (better)
Sharpness
Sharpness	163 pixels per inch (better)	140 pixels per inch
Panel
Panel	IPS (IPS Black)	IPS (IPS Black)
Refresh rate
Refresh rate	60 Hz	120 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	5 ms	5 ms
Brightness (typical)
Brightness (typical)	400 nits	450 nits (better)
HDR peak brightness
HDR peak brightness	–	600 nits
HDR certification
HDR certification	DisplayHDR 400	DisplayHDR 600
Contrast ratio
Contrast ratio	2,000:1	2,000:1
Colour range
Colour range	98% DCI-P3, 100% sRGB, 100% Rec.709	99% DCI-P3, 99% Display P3, 100% sRGB
DCI-P3 coverage
DCI-P3 coverage	98%	99% (better)
Colour accuracy (Delta E)
Colour accuracy (Delta E)	Below 2	Below 2
Screen finish
Screen finish	Matte	Matte
Shape
Shape	Flat	Curved (2500R)
Adaptive sync
Adaptive sync	–	HDMI VRR
Colour depth
Colour depth	1.07 billion colours	1.07 billion colours (8-bit + A-FRC)
sRGB coverage
sRGB coverage	100%	100%
Colour accuracy
Colour accuracy	Delta E < 2 (average) (sRGB, Rec.709, DCI-P3)	Delta E < 2 (average) (DCI-P3, Display P3, sRGB, BT.709); factory calibration report in the box
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)	600 cd/m² HDR peak; HDR static metadata over HDMI
Response time detail
Response time detail	5 ms (Fast mode), 8 ms (Normal mode)	5 ms (Fast), 8 ms (Normal)
Variable refresh range
Variable refresh range	–	48–120 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	0.1815 mm x 0.1815 mm
Eye care
Eye care	–	ComfortView Plus hardware low blue light; TÜV Rheinland Eye Comfort 3.0 (5 star); ambient light sensor; flicker-free
Connections
Video inputs
Video inputs	HDMI 2.0, DisplayPort 1.4, USB-C	HDMI 2.1, DisplayPort 1.4, Thunderbolt 4
USB-C charging
USB-C charging	Up to 90 W	Up to 140 W (better)
USB ports
USB ports	5 × USB-A, USB-C	2 × USB-C, 5 × USB-A, Thunderbolt 4
KVM switch
KVM switch	Yes	Yes
Ethernet
Ethernet	Yes	Yes
Speakers
Speakers	No	Yes
HDMI detail
HDMI detail	1 x HDMI 2.0 (HDCP 2.2)	1 x HDMI, up to 5120 x 2160 at 120 Hz FRL with HDR static metadata and VRR as specified in HDMI 2.1
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 (HDCP 2.3), up to 5120 x 2160 at 120 Hz with HDR and DSC; internal MST (Screen Partition) over DisplayPort and Thunderbolt 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	Thunderbolt 4 upstream (DisplayPort 1.4 Alt Mode, USB 10Gbps, Power Delivery up to 140 W EPR); USB-C 10Gbps upstream (data only); 2 x USB-C 10Gbps downstream quick-access ports (15 W)
Daisy chaining
Daisy chaining	DisplayPort out (MST)	Thunderbolt 4 downstream port (video and data, 15 W)
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)	4 x USB-A 10Gbps rear; quick access ports with 1 x USB-A 10Gbps (BC 1.2) and 2 x USB-C 10Gbps (15 W)
Picture by picture
Picture by picture	–	Picture by Picture and Picture in Picture, with KVM switching
Audio out
Audio out	3.5 mm analog 2.0 audio line out	3.5 mm audio line out
Speaker detail
Speaker detail	–	2 x 9 W
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	6.64 kg	12.22 kg
Height adjustment
Height adjustment	150 mm	150 mm
Tilt
Tilt	-5° to 21°	-5° to 21°
Swivel
Swivel	-45° to 45°	-30° to 30°
VESA pattern
VESA pattern	–	100 x 100 mm
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)	946.62 x 252.80 x 472.32–622.32 mm (W x D x H)
Size without stand
Size without stand	611.44 x 54.33 x 353.01 mm (W x D x H)	946.62 x 108.04 x 419.14 mm (W x D x H)
Weight without stand
Weight without stand	4.48 kg	8.35 kg
Power and support
Power use
Power use	25.9 W on mode, 0.3 W standby, 0.2 W off, 220 W maximum	39.5 W on mode, 0.4 W standby, 1.8 W networked standby, 0.3 W off, 380 W maximum
Energy class
Energy class	–	F
Power supply
Power supply	100–240 VAC, 50/60 Hz, 2.7 A (maximum)	100–240 VAC, 50/60 Hz, 4.2 A (typical)
Software
Software	Dell Display Manager (Easy Arrange)	Dell Display and Peripheral Manager (Easy Arrange)
Certifications
Certifications	–	ENERGY STAR, TCO Certified Edge, TÜV Rheinland Eye Comfort 3.0 (5 star)
Warranty
Warranty	–	3 years limited hardware (UK)
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)	Stand, power cable, DisplayPort 1.4 cable (1.8 m), HDMI 2.1 cable (1.8 m), Thunderbolt 4 active cable (1.5 m), USB-A to USB-C cable (1 m), factory calibration report