Dell UltraSharp U2717D vs Dell UltraSharp 40 Curved Thunderbolt Hub (U4025QW)

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UltraSharp U2717D compared with UltraSharp 40 Curved Thunderbolt Hub (U4025QW)

	DellUltraSharp U2717D	DellUltraSharp 40 Curved Thunderbolt Hub (U4025QW)
Overview
Released
Released	2016	January 2024
Display
Screen size
Screen size	27″	39.7″
Resolution
Resolution	2560 × 1440 (QHD)	5120 × 2160 (5K2K) (better)
Sharpness
Sharpness	109 pixels per inch	140 pixels per inch (better)
Panel
Panel	IPS (LED-backlit IPS-type LCD; TFTCentral identified a Samsung PLS panel in its sample.)	IPS (IPS Black)
Refresh rate
Refresh rate	60 Hz	120 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	6 ms	5 ms (better)
Brightness (typical)
Brightness (typical)	350 nits	450 nits (better)
HDR peak brightness
HDR peak brightness	–	600 nits
HDR certification
HDR certification	–	DisplayHDR 600
Contrast ratio
Contrast ratio	1,000:1	2,000:1
Colour range
Colour range	99% sRGB	99% DCI-P3, 99% Display P3, 100% sRGB
DCI-P3 coverage
DCI-P3 coverage	–	99%
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	16.7 million colours, according to Dell.	1.07 billion colours (8-bit + A-FRC)
sRGB coverage
sRGB coverage	99% typical, according to Dell.	100%
Colour accuracy
Colour accuracy	Factory calibrated to average Delta E < 2, according to Dell.	Delta E < 2 (average) (DCI-P3, Display P3, sRGB, BT.709); factory calibration report in the box
HDR detail
HDR detail	–	600 cd/m² HDR peak; HDR static metadata over HDMI
Response time detail
Response time detail	8 ms grey-to-grey in Normal mode; 6 ms in Fast mode, according to Dell.	5 ms (Fast), 8 ms (Normal)
Variable refresh range
Variable refresh range	–	48–120 Hz (vertical scan range)
Viewing angles
Viewing angles	178° horizontal and vertical, typical.	178° horizontal, 178° vertical (typical)
Pixel pitch
Pixel pitch	0.2331 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 × DisplayPort 1.2	HDMI 2.1, DisplayPort 1.4, Thunderbolt 4
USB-C charging
USB-C charging	None	Up to 140 W (better)
USB ports
USB ports	4 × USB-A	2 × USB-C, 5 × USB-A, Thunderbolt 4
KVM switch
KVM switch	–	Yes
Ethernet
Ethernet	–	Yes
Speakers
Speakers	No	Yes
HDMI detail
HDMI detail	One HDMI input with MHL support.	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	One DisplayPort input, one Mini DisplayPort input and one DisplayPort MST output.	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	–	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 MST output supports one additional 2560 × 1440 60 Hz monitor, according to Dell.	Thunderbolt 4 downstream port (video and data, 15 W)
USB hub detail
USB hub detail	Four USB 3.0 downstream Type-A ports and one upstream port; one downstream port supports BC 1.2 charging.	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	Stereo audio line out for speakers; Dell says headphones are unsupported.	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	4.5 kg	12.22 kg
Height adjustment
Height adjustment	130 mm.	150 mm
Tilt
Tilt	–	-5° to 21°
Swivel
Swivel	–	-30° to 30°
VESA pattern
VESA pattern	100 × 100 mm.	100 x 100 mm
Size with stand
Size with stand	611.3 × 200.3 × 410.2–540.2 mm (width × depth × height).	946.62 x 252.80 x 472.32–622.32 mm (W x D x H)
Size without stand
Size without stand	611.3 × 48.3 × 355.6 mm (width × depth × height).	946.62 x 108.04 x 419.14 mm (W x D x H)
Weight without stand
Weight without stand	4.5 kg, without cables.	8.35 kg
Power and support
Power use
Power use	26 W typical, 74 W maximum with USB active, according to Dell.	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 V AC, 50/60 Hz.	100–240 VAC, 50/60 Hz, 4.2 A (typical)
Software
Software	–	Dell Display and Peripheral Manager (Easy Arrange)
Certifications
Certifications	ENERGY STAR and TCO Certified Displays; EPEAT registration varies by country.	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 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