Apple LED Cinema Display (24-inch) vs Dell UltraSharp U2412M

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LED Cinema Display (24-inch) compared with UltraSharp U2412M

	AppleLED Cinema Display (24-inch)	DellUltraSharp U2412M
Overview
Released
Released	November 2008	July 2011
Display
Screen size
Screen size	24″	24″
Resolution
Resolution	1920 × 1200 (WUXGA)	1920 × 1200 (WUXGA)
Sharpness
Sharpness	94 pixels per inch	94 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)	–	8 ms
Brightness (typical)
Brightness (typical)	330 nits (better)	300 nits
Contrast ratio
Contrast ratio	1,000:1	1,000:1
Colour range
Colour range	–	82% CIE 1976 / 72% CIE 1931
Screen finish
Screen finish	Glossy	Matte
Shape
Shape	Flat	Flat
Colour depth
Colour depth	Up to 16.7 million colours; panel bit depth is not specified. Macworld UK identifies an H-IPS LG-Philips LM240WU6-SDA1 panel; Apple describes TFT LCD without naming the IPS subtype.	16.7 million colours, according to Dell.
Response time detail
Response time detail	Typical 14 ms without a specified transition; omitted from the grey-to-grey row	8 ms grey-to-grey, according to Dell.
Viewing angles
Viewing angles	178° horizontally and vertically	178° horizontal and vertical.
Pixel pitch
Pixel pitch	–	0.27 mm.
Connections
Video inputs
Video inputs	Mini DisplayPort	DisplayPort 1.1a
USB-C charging
USB-C charging	None	None
USB ports
USB ports	3 × USB-A	4 × USB-A
Speakers
Speakers	Yes	No
Webcam
Webcam	iSight camera with microphone	–
DisplayPort detail
DisplayPort detail	Captive Mini DisplayPort cable; original manual requires the separate USB connection for audio, camera, microphone and hub functions	One DisplayPort 1.1a input, one DVI-D input with HDCP and one VGA input; no HDMI.
USB hub detail
USB hub detail	Three powered USB 2.0 Type-A ports; upstream USB cable required for data	Four downstream USB 2.0 Type-A ports and one upstream port.
Speaker detail
Speaker detail	Built-in 2.1 system with 12 W output in the original A1267 manual	No integrated speakers; a DC output powers an optional Dell Soundbar.
Webcam detail
Webcam detail	Built-in iSight; maker specifications do not publish a megapixel figure	–
Design
Stand adjusts
Stand adjusts	Tilt	Height, tilt, swivel, pivot (better)
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	9.5 kg	6.24 kg
Height adjustment
Height adjustment	–	115 mm.
VESA pattern
VESA pattern	Requires the separately sold Apple VESA Mount Adapter Kit	100 × 100 mm.
Size with stand
Size with stand	Current specifications give 573.2 × 478.4 × 197.1 mm (width × height × depth) and 9.5 kg. Original manual gives 573.22 × 478.38 × 197.10 mm and 9.49 kg; the current rounded weight is retained.	556 × 180.3 × 398.5–513.5 mm (width × depth × height).
Size without stand
Size without stand	–	556 × 64.9 × 361.6 mm (width × depth × height).
Weight without stand
Weight without stand	–	3.97 kg without stand or cables; Dell lists 6.24 kg with stand and cables.
Controls
Controls	Resolution, brightness, colour profile and calibration through Mac OS X Displays preferences; no physical image controls (Macworld)	Physical front buttons and on-screen display.
Colours
Colours	Aluminium enclosure with black glass bezel	–
Power and support
Power use
Power use	Maximum 212 W while charging a MacBook Pro; energy saver 1 W or less	29 W typical; 72 W maximum with maximum luminance, USB and Soundbar active; less than 0.5 W in standby and off modes.
Power supply
Power supply	Internal power supply; 100–240 V AC, 50–60 Hz	100–240 V AC, 50/60 Hz.
Laptop charging
Laptop charging	Separate captive universal MagSafe charging connector; no USB-C power delivery	–
Software
Software	Original requirement MacBook, MacBook Air or MacBook Pro with Mini DisplayPort. October 2008 announcement specifies November availability.	Dell PowerNap.
Certifications
Certifications	ENERGY STAR 4.0; EPEAT Gold	–
In the box
In the box	Display, AC power cord, cleaning cloth and printed documentation	Stand, power cable, VGA cable, DVI cable, USB upstream cable and documentation.