Apple Cinema HD Display (30-inch, DVI) vs Dell UltraSharp U2711

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Cinema HD Display (30-inch, DVI) compared with UltraSharp U2711

	AppleCinema HD Display (30-inch, DVI)	DellUltraSharp U2711
Overview
Released
Released	October 2004	2010
Display
Screen size
Screen size	29.7″	27″
Resolution
Resolution	2560 × 1600 (WQXGA) (better)	2560 × 1440 (QHD)
Sharpness
Sharpness	102 pixels per inch	109 pixels per inch (better)
Panel
Panel	IPS (TFT active-matrix LCD (Apple June 2004 Technology Overview); S-IPS identification from PRAD’s exact aluminium 30-inch datasheet. Main brightness and contrast describe the original published generation.)	IPS (CCFL-backlit wide-gamut IPS.)
Refresh rate
Refresh rate	60 Hz	60 Hz
Response time (grey to grey)
Response time (grey to grey)	–	6 ms
Brightness (typical)
Brightness (typical)	270 nits	350 nits (better)
Contrast ratio
Contrast ratio	400:1	1,000:1
Colour range
Colour range	–	100% sRGB; 96% Adobe RGB
Colour accuracy (Delta E)
Colour accuracy (Delta E)	–	Below 5
Screen finish
Screen finish	Matte	Matte
Shape
Shape	Flat	Flat
Colour depth
Colour depth	Up to 16.7 million colours; Apple does not specify panel bit depth	Up to 1.07 billion colours with 12-bit internal processing, according to Dell.
sRGB coverage
sRGB coverage	–	100% typical, according to Dell.
Adobe RGB coverage
Adobe RGB coverage	–	96% typical, according to Dell.
Colour accuracy
Colour accuracy	–	Factory-calibrated sRGB and Adobe RGB presets to average Delta E below 5 on a new unit, according to Dell.
Colour modes
Colour modes	–	Includes sRGB, Adobe RGB and a six-axis Custom Color mode.
Response time detail
Response time detail	Original June 2004 Apple Technology Overview specifies typical 16 ms without identifying grey-to-grey transitions, so main grey-to-grey response is omitted. Original brightness is 270 cd/m² and contrast 400:1. Archived support table later gives 400 cd/m² and 400:1; Japanese specifications give 400 cd/m², 700:1 and 14 ms. These later figures are not substituted into the original main fields.	6 ms grey-to-grey or 12 ms black-to-white, typical.
Viewing angles
Viewing angles	Original archived Apple specifications give 170° horizontally and vertically; a later Japanese sheet gives 178°.	178° horizontal and vertical, typical.
Pixel pitch
Pixel pitch	0.250 mm	0.2331 mm.
Connections
Video inputs
Video inputs	DVI	HDMI, DisplayPort
USB-C charging
USB-C charging	None	None
USB ports
USB ports	2 × USB-A	4 × USB-A
Speakers
Speakers	–	No
HDMI detail
HDMI detail	–	One HDMI input; Dell lists up to 1080p video modes in its manual.
DisplayPort detail
DisplayPort detail	–	One DisplayPort input; also two dual-link DVI-D inputs, VGA, composite and component video.
Other connections
Other connections	Captive DVI, USB 2.0, FireWire 400 and DC power cables; two downstream FireWire 400 ports and Kensington security slot	–
USB hub detail
USB hub detail	Two-port self-powered USB 2.0 hub; upstream USB cable must connect to computer	Four downstream USB 2.0 ports and one upstream port; integrated multi-format card reader.
Picture by picture
Picture by picture	–	Picture-in-picture and picture-by-picture modes with a second video source.
Audio out
Audio out	–	Audio line out for external speakers; optional Dell soundbar support.
Design
Stand adjusts
Stand adjusts	Tilt	Height, tilt, swivel (better)
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	12.5 kg	7.72 kg
Height adjustment
Height adjustment	–	90 mm vertical extension, according to Dell.
VESA pattern
VESA pattern	Optional Cinema Display VESA Mount Adapter Kit; VESA FDMI MIS-D 100 C	100 × 100 mm.
Size with stand
Size with stand	688 × 543 × 215 mm (width × height × depth), from Apple's archived technical specifications	646.71 × 199.95 × 427.83–517.83 mm (width × depth × height).
Size without stand
Size without stand	–	646.71 × 93 × 385.67 mm (width × depth × height).
Weight without stand
Weight without stand	–	7.72 kg without cables.
Controls
Controls	Side power and brightness buttons; resolution and colour settings through Mac OS X Displays preferences	Capacitive touch controls at the front right.
Colours
Colours	Aluminium enclosure	–
Power and support
Power use
Power use	Maximum 150 W; energy saver mode 3 W or less	113 W typical, according to Dell's manual.
Power supply
Power supply	External A1098 150 W adaptor; 100–240 V AC, 50–60 Hz; 24.5 V DC output	100–240 V AC, 50/60 Hz.
Software
Software	Apple's June 2004 UK press release promised August sale, but delivery slipped into autumn (Computerworld/Macworld). Main release month follows MacRumors' October 2004 shipping report. At launch Apple specified Power Mac G5 with NVIDIA GeForce 6800 Ultra DDL for native resolution; a dual-link DVI graphics connection is required. Original manual explicitly specifies 2560 × 1600 at 60 Hz and 29.7-inch viewable diagonal. Main weight follows June 2004 maker Technology Overview (12.5 kg); original manual gives 12.31 kg and archived support table 12.47 kg. No basis for the discrepancies is stated.	–
In the box
In the box	Display with captive connection cables, power adaptor, AC cord and cleaning cloth	Monitor and stand, power, VGA, DVI, DisplayPort and USB upstream cables, documentation and factory colour report.