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Dell UltraSharp U2715H vs Dell UltraSharp 27 4K Monitor (U2718Q)

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

DellUltraSharp U2715HDellUltraSharp 27 4K Monitor (U2718Q)
Overview
Released20142017
Display
Screen size27″27″
Resolution2560 × 1440 (QHD)3840 × 2160 (4K)
Sharpness109 pixels per inch163 pixels per inch
PanelIPSIPS
Refresh rate60 Hz60 Hz
Response time (grey to grey)6 ms5 ms
Brightness (typical)350 nits350 nits
HDR formats–HDR10 through HDMI (Dell HDR)
Contrast ratio1,000:11,300:1
Colour range99% sRGB99.9% sRGB, 99.9% Rec. 709, 80.7% DCI-P3
DCI-P3 coverage–80.7%
Colour accuracy (Delta E)Below 3Below 2
Screen finishMatteMatte
ShapeFlatFlat
Colour depth16.78 million colours1.07 billion colours.
sRGB coverage99%99.9%
Colour accuracyFactory calibrated to average Delta E ≤ 3.Factory calibrated to average Delta E < 2.
Colour modes–99.9% sRGB and Rec. 709; 80.7% DCI-P3.
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.
Response time detail6 ms grey-to-grey in Fast mode; 8 ms in Normal mode (Dell). TFTCentral found Fast introduced overshoot on its sample.5 ms grey-to-grey in Fast mode; 8 ms in Normal mode.
Viewing angles178° horizontal and vertical (typical).178° horizontal and vertical (typical).
Pixel pitch0.2331 mm.0.1554 × 0.1554 mm.
Eye careAnalogue backlight dimming for a flicker-free display, according to Dell.Flicker-free screen and ComfortView low-blue-light mode, TÜV certified according to Dell.
Connections
Video inputs2 × HDMI 1.4, 2 × DisplayPort 1.2HDMI 2.0, 2 × DisplayPort 1.2
USB-C chargingNoneNone
USB ports5 × USB-A4 × USB-A
SpeakersNoNo
HDMI detailTwo HDMI 1.4 inputs with MHL 2.0 support.One HDMI 2.0 input; the independent HEXUS test found HDR10 input was limited to HDMI.
DisplayPort detailOne DisplayPort 1.2 input, one Mini DisplayPort input and one DisplayPort 1.2 MST output.One DisplayPort 1.2 input and one Mini DisplayPort 1.2 input.
Daisy chainingDisplayPort 1.2 MST output; Dell lists one additional QHD 60 Hz display or two lower-resolution displays.–
USB hub detailFive downstream USB 3.0 Type-A ports and one upstream USB 3.0 Type-B port; one downstream port supports BC 1.2 charging.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.
Audio outAudio line out for external speakers; Dell says it does not support headphones.Audio line out for external speakers; Dell says it does not support headphones.
Design
Stand adjustsHeight, tilt, swivel, pivotHeight, tilt, swivel, pivot
VESA mountYesYes
Weight with stand–6.55 kg
Height adjustment115 mm.130 mm.
Tilt-5° to 21°.-5° to 21°.
Swivel-45° to 45°.-45° to 45°.
Pivot-90° to 90°.-90° to 90°.
VESA pattern100 × 100 mm.100 × 100 mm.
Size with stand612.7 × 205.0 × 409.9–524.9 mm (width × depth × height).611.3 × 200.3 × 410.2–540.2 mm (width × depth × height).
Size without stand612.7 × 46.4 × 363.4 mm (width × depth × height).–
Weight without stand4.91 kg, without cables.3.70 kg.
ControlsTouch-sensitive front buttons and on-screen display.–
ColoursBlack front frame and silver stand.–
Power and support
Power use36 W typical, 88 W maximum with USB active; less than 0.5 W in standby.30 W typical; less than 0.3 W in standby or sleep.
Power supply100–240 V AC, 50/60 Hz.100–240 V AC, 50/60 Hz.
SoftwareDell Display Manager.Dell Display Manager with Easy Arrange.
Warranty–Three years of Advanced Exchange Service and limited hardware warranty in Dell's product sheet; regional terms may differ.
CertificationsEPEAT Gold and TCO Certified Displays, according to Dell.–
In the boxStand, power cable, Mini DisplayPort-to-DisplayPort cable, USB 3.0 upstream cable, factory calibration report and documentation.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.

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