Dell UltraSharp 27 4K Monitor (U2718Q) vs Dell UltraSharp 27 4K USB-C Monitor (U2720Q)

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UltraSharp 27 4K Monitor (U2718Q) compared with UltraSharp 27 4K USB-C Monitor (U2720Q)

	DellUltraSharp 27 4K Monitor (U2718Q)	DellUltraSharp 27 4K USB-C Monitor (U2720Q)
Overview
Released
Released	2017	January 2020
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
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)	350 nits	350 nits
HDR certification
HDR certification	–	DisplayHDR 400
HDR formats
HDR formats	HDR10 through HDMI (Dell HDR)	HDR10
Contrast ratio
Contrast ratio	1,300:1	1,300:1
Colour range
Colour range	99.9% sRGB, 99.9% Rec. 709, 80.7% DCI-P3	99% sRGB, 99% Rec. 709, 95% DCI-P3
DCI-P3 coverage
DCI-P3 coverage	80.7%	95% (better)
Colour accuracy (Delta E)
Colour accuracy (Delta E)	Below 2	Below 2
Screen finish
Screen finish	Matte	Matte
Shape
Shape	Flat	Flat
Colour depth
Colour depth	1.07 billion colours.	1.07 billion colours.
sRGB coverage
sRGB coverage	99.9%	99%
Colour accuracy
Colour accuracy	Factory calibrated to average Delta E < 2.	Factory calibrated to average Delta E < 2 in sRGB mode.
Colour modes
Colour modes	99.9% sRGB and Rec. 709; 80.7% DCI-P3.	sRGB and DCI-P3 modes listed in Dell's user guide.
HDR detail
HDR detail	Dell HDR accepts HDR10 from a compatible HDMI source. Dell cautions that its implementation differs from TV HDR standards; independent reviewers found the effect limited.	VESA DisplayHDR 400; Dell's user guide describes HDR playback over HDMI 2.0a, DisplayPort 1.4 and USB-C DisplayPort 1.4 from compatible sources.
Response time detail
Response time detail	5 ms grey-to-grey in Fast mode; 8 ms in Normal mode.	5 ms grey-to-grey in Fast mode; 8 ms in Normal mode.
Viewing angles
Viewing angles	178° horizontal and vertical (typical).	178° horizontal and vertical (typical).
Pixel pitch
Pixel pitch	0.1554 × 0.1554 mm.	0.1554 × 0.1554 mm.
Eye care
Eye care	Flicker-free screen and ComfortView low-blue-light mode, TÜV certified according to Dell.	Flicker-free backlight and ComfortView low-blue-light mode.
Connections
Video inputs
Video inputs	HDMI 2.0, 2 × DisplayPort 1.2	HDMI 2.0, DisplayPort 1.4, USB-C
USB-C charging
USB-C charging	None	Up to 90 W (better)
USB ports
USB ports	4 × USB-A	3 × USB-A, USB-C
Speakers
Speakers	No	No
HDMI detail
HDMI detail	One HDMI 2.0 input; the independent HEXUS test found HDR10 input was limited to HDMI.	One HDMI 2.0 input.
DisplayPort detail
DisplayPort detail	One DisplayPort 1.2 input and one Mini DisplayPort 1.2 input.	One DisplayPort 1.4 input.
USB-C detail
USB-C detail	–	USB-C upstream with DisplayPort 1.4 Alt Mode, USB 3.0 data and up to 90 W Power Delivery. Dell's user guide offers High Resolution and High Data Speed prioritisation modes for USB-C hosts.
USB hub detail
USB hub detail	Four downstream USB 3.0 Type-A ports and one upstream USB 3.0 Type-B port; two downstream ports support BC 1.2 charging at up to 2 A.	Three downstream USB 3.0 Type-A ports, one with BC 1.2 charging up to 2 A; one downstream USB-C port charges at up to 3 A.
Audio out
Audio out	Audio line out for external speakers; Dell says it does not support headphones.	3.5 mm audio line out; Dell says it does not support headphones.
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	6.55 kg	6.6 kg
Height adjustment
Height adjustment	130 mm.	130 mm.
Tilt
Tilt	-5° to 21°.	-5° to 21°.
Swivel
Swivel	-45° to 45°.	-45° to 45°.
Pivot
Pivot	-90° to 90°.	-90° to 90°.
VESA pattern
VESA pattern	100 × 100 mm.	100 × 100 mm.
Size with stand
Size with stand	611.3 × 200.3 × 410.2–540.2 mm (width × depth × height).	611.3 × 185.0 × 395.2–525.2 mm (width × depth × height).
Size without stand
Size without stand	–	611.3 × 49.7 × 356.0 mm (width × depth × height).
Weight without stand
Weight without stand	3.70 kg.	4.4 kg.
Controls
Controls	–	Front on-screen-display buttons and Dell Display Manager software.
Power and support
Power use
Power use	30 W typical; less than 0.3 W in standby or sleep.	33 W typical and 200 W maximum in Dell's December 2019 brochure; its later user guide states 31.5 W on mode, 200 W maximum and 0.3 W standby under newer test rules.
Power supply
Power supply	100–240 V AC, 50/60 Hz.	100–240 V AC, 50/60 Hz.
Software
Software	Dell Display Manager with Easy Arrange.	Dell Display Manager with Easy Arrange.
Certifications
Certifications	–	ENERGY STAR and TCO Certified Displays; EPEAT registration varies by market.
Warranty
Warranty	Three years of Advanced Exchange Service and limited hardware warranty in Dell's product sheet; regional terms may differ.	Dell's brochure specifies three years of Advanced Exchange Service and limited hardware warranty; regional terms may differ.
In the box
In the box	Stand, DisplayPort cable, USB 3.0 upstream cable, power cable, factory calibration report and documentation. Dell's product sheet does not list an HDMI cable.	Stand, power cable, DisplayPort cable, USB-C to USB-C cable, USB-C to USB-A cable, factory calibration report and documentation for U2720Q. The U2720QM package instead includes HDMI, according to Dell's user guide.