Apple Thunderbolt Display vs Dell UltraSharp 27 Monitor (U2722D)

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

Better figure, where one is clearly better

Thunderbolt Display compared with UltraSharp 27 Monitor (U2722D)
AppleThunderbolt DisplayDellUltraSharp 27 Monitor (U2722D)
Overview
ReleasedSeptember 2011March 2021
Display
Screen size27″27″
Resolution2560 × 1440 (QHD)2560 × 1440 (QHD)
Sharpness109 pixels per inch109 pixels per inch
PanelIPSIPS
Refresh rate60 Hz60 Hz
Response time (grey to grey)–5 ms
Brightness (typical)375 nits (better)350 nits
Contrast ratio1,000:11,000:1
Colour range–100% sRGB, 100% Rec.709, 95% DCI-P3
DCI-P3 coverage–95%
Screen finishGlossyMatte
ShapeFlatFlat
Colour depthUp to 16.7 million colours; Apple does not specify panel bit depth1.07 billion colours
sRGB coverage–100% sRGB and 100% Rec.709 claimed by Dell
Colour modes–Factory-calibrated sRGB and Rec.709 presets, plus Standard and wider-gamut modes
Response time detailApple specifies 12 ms without identifying the transition; omitted from the grey-to-grey row5 ms Fast, 8 ms Normal, grey-to-grey
Viewing angles178° horizontally and vertically178° horizontal and vertical
Pixel pitch–0.2331 mm
Eye careAmbient light sensor automatically adjusts brightnessComfortView Plus low-blue-light backlight and flicker-free operation
Calibration–Factory-calibrated sRGB and Rec.709 presets with a calibration report in the box
Connections
Video inputsThunderboltHDMI, DisplayPort 1.4
USB-C chargingNoneNone
USB ports3 × USB-A3 × USB-A, USB-C
KVM switch–No
EthernetYesNo
SpeakersYesNo
DisplayPort detail–One DisplayPort 1.4 input and one DisplayPort output for MST daisy chaining.
USB-C detail–Rear USB-C 3.2 Gen 2 upstream is for data only; the bottom quick-access downstream USB-C port provides up to 15 W.
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 MST output for a second compatible display.
USB hub detailThree powered USB 2.0 Type-A ports; device charging can work without a host attachedTwo rear USB-A 3.2 Gen 2 ports, one quick-access USB-A with Battery Charging 1.2, and one quick-access USB-C 3.2 Gen 2 with up to 15 W.
Picture by picture–Picture-in-picture and picture-by-picture modes
Audio out–3.5 mm audio line output
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 (better)
VESA mountYesYes
Height adjustment–150 mm
Weight with stand10.8 kg–
TiltTilt adjustment only; no height, swivel or pivot adjustment (Macworld)-5° to 21°
Swivel–-45° to 45°
Pivot–-90° to 90°
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.611.3 × 185 × 385.1–535.1 mm (W × D × H)
Size without stand–611.3 × 49.5 × 352 mm (W × D × H)
Weight without stand–4.38 kg
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.20 W on, 0.5 W standby, 0.3 W off, 74 W maximum
Energy class–E
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
CertificationsENERGY STAR 5.1; EPEAT Gold in the US and CanadaENERGY STAR, EPEAT Gold and TCO Certified
WarrantyOne-year limited warranty and 90 days of telephone supportDell three-year Advanced Exchange Service and Premium Panel Exchange
In the boxThunderbolt Display, AC power cord and printed documentationStand, DisplayPort cable, USB-C to USB-A upstream cable and factory calibration report

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