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Apple Thunderbolt Display vs Dell UltraSharp U2713H

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

Better figure, where one is clearly better

AppleThunderbolt DisplayDellUltraSharp U2713H
Overview
ReleasedSeptember 20112012
Display
Screen size27″27″
Resolution2560 × 1440 (QHD)2560 × 1440 (QHD)
Sharpness109 pixels per inch109 pixels per inch
PanelIPSIPS (GB-LED edge-lit AH-IPS wide-gamut panel.)
Refresh rate60 Hz60 Hz
Response time (grey to grey)–6 ms
Brightness (typical)375 nits350 nits
Contrast ratio1,000:11,000:1
Colour range–100% sRGB; 99% Adobe RGB
Colour accuracy (Delta E)–Below 2
Screen finishGlossyMatte
ShapeFlatFlat
Colour depthUp to 16.7 million colours; Apple does not specify panel bit depthUp to 1.074 billion colours with 12-bit internal processing and 14-bit lookup table, according to Dell.
sRGB coverage–100%, according to Dell.
Adobe RGB coverage–99%, according to Dell.
Colour accuracy–Factory-calibrated sRGB and Adobe RGB presets; Dell includes a unit-specific calibration report.
Colour modes–sRGB, Adobe RGB, CAL1 and CAL2 user calibration slots, Custom Color and other presets.
Response time detailApple specifies 12 ms without identifying the transition; omitted from the grey-to-grey row6 ms grey-to-grey, typical.
Viewing angles178° horizontally and vertically178° horizontal and vertical, typical.
Pixel pitch–0.231 mm.
Calibration–Dell UltraSharp Color Calibration Software supports the X-Rite i1Display Pro at launch.
Eye careAmbient light sensor automatically adjusts brightness–
Connections
Video inputsThunderboltHDMI, 2 × DisplayPort 1.2
USB-C chargingNoneNone
USB ports3 × USB-A4 × USB-A
EthernetYes–
SpeakersYesNo
HDMI detail–One HDMI input; one dual-link DVI-D input also provided.
DisplayPort detail–One DisplayPort input, one Mini DisplayPort input and one DisplayPort 1.2 MST output; MST must be enabled in the menu.
WebcamFaceTime HD camera with microphone–
Thunderbolt detailCaptive first-generation Thunderbolt input cable; two bidirectional 10 Gbps channels. Requires a Thunderbolt-equipped Mac, not a Mini DisplayPort-only Mac.–
Other connectionsGigabit Ethernet (10/100/1000Base-T), FireWire 800 with up to 7 W power, downstream Thunderbolt port and Kensington security slot–
Daisy chainingDownstream Thunderbolt supports compatible devices and a second Thunderbolt Display where the Mac permits it. The port does not directly support Mini DisplayPort, DVI or VGA displays or adapters.DisplayPort 1.2 MST output supports a second compatible monitor.
USB hub detailThree powered USB 2.0 Type-A ports; device charging can work without a host attachedFour USB 3.0 downstream Type-A ports and one upstream Type-B port; one downstream port supports BC 1.2 charging. Integrated card reader.
Picture by picture–Picture-in-picture and picture-by-picture modes.
Audio out–Audio line out for external speakers; Dell says headphones are unsupported.
Speaker detailBuilt-in 2.1 speaker system with 49 W output–
Webcam detailFaceTime HD camera and microphone; Apple does not publish a megapixel figure in the specifications–
Design
Stand adjustsTiltHeight, tilt, swivel, pivot
VESA mountYesYes
Weight with stand10.8 kg6.3 kg
Height adjustment–115 mm.
TiltTilt adjustment only; no height, swivel or pivot adjustment (Macworld)–
VESA patternRequires the separately sold Apple VESA Mount Adapter Kit100 × 100 mm.
Size with standCurrent UK support specifications give 650 × 491 × 207 mm (width × height × depth). The original manual gives 651.7 × 488.1 × 208.13 mm and 10.7 kg rather than the support page's 10.8 kg.639.3 × 200.5 × 423.4–538.4 mm (width × depth × height).
Size without stand–639.3 × 74.1 × 378.2 mm (width × depth × height).
Weight without stand–6.30 kg without cables.
ControlsBrightness and colour profile through macOS Displays preferences; no on-screen menu or physical image controls (Macworld)–
ColoursAluminium enclosure with black glass bezel–
Power and support
Power useMaximum 250 W while charging a MacBook Pro; energy saver 2 W or less. Apple environmental report at 230 V gives 108 W on at full brightness, 1.9 W sleep and 0.75 W off.60 W typical and 130 W maximum with USB and soundbar active, according to Dell.
Power supplyInternal power supply; 100–240 V AC, 50–60 Hz100–240 V AC, 50/60 Hz.
Laptop chargingCaptive Universal MagSafe connector supplies up to 85 W separately from the Thunderbolt cable; no USB-C power delivery–
SoftwareOriginal requirement OS X 10.6.8 or later and a Thunderbolt-equipped Mac. Announced 20 July 2011 with availability within 60 days; September sale month follows contemporary MacRumors reports of customer shipments, rather than the announcement date.Dell Display Manager and UltraSharp Color Calibration Software included at launch.
CertificationsENERGY STAR 5.1; EPEAT Gold in the US and CanadaENERGY STAR, EPEAT Gold and TCO Certified Displays, according to Dell.
WarrantyOne-year limited warranty and 90 days of telephone support–
In the boxThunderbolt Display, AC power cord and printed documentationMonitor and stand, power cable, Mini DisplayPort-to-DisplayPort cable, dual-link DVI cable, USB 3.0 upstream cable, factory calibration report and documentation.

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