Apple Cinema Display (20-inch, ADC) vs Apple Cinema Display (20-inch, DVI)

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Cinema Display (20-inch, ADC) compared with Cinema Display (20-inch, DVI)

	AppleCinema Display (20-inch, ADC)	AppleCinema Display (20-inch, DVI)
Overview
Released
Released	January 2003	July 2004
Display
Screen size
Screen size	20″	20.1″
Resolution
Resolution	1680 × 1050	1680 × 1050
Sharpness
Sharpness	99 pixels per inch	99 pixels per inch
Panel
Panel	IPS (TFT active-matrix LCD (Apple); S-IPS identification from PRAD's exact ADC model datasheet)	IPS (TFT active-matrix LCD (Apple); IPS identification from Les Numériques' exact 2005 review)
Refresh rate
Refresh rate	–	60 Hz
Brightness (typical)
Brightness (typical)	230 nits	250 nits (better)
Contrast ratio
Contrast ratio	350:1	400:1
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 16.7 million colours; Apple does not specify panel bit depth
Response time detail
Response time detail	–	Apple specifies typical 16 ms without identifying grey-to-grey transitions; not entered in the grey-to-grey row. Its later Japanese sheet lists 14 ms.
Viewing angles
Viewing angles	170° horizontally and vertically	Original archived Apple specifications give 170° horizontally and vertically; a later Japanese sheet gives 178°.
Pixel pitch
Pixel pitch	0.258 mm	0.258 mm
Connections
Video inputs
Video inputs	Apple Display Connector	DVI
USB-C charging
USB-C charging	None	None
USB ports
USB ports	2 × USB-A	2 × USB-A
Speakers
Speakers	No	–
Other connections
Other connections	Captive ADC connector carries digital video, USB data and power; no separate power cord for an ADC-equipped Mac	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 hub	Two-port self-powered USB 2.0 hub; upstream USB cable must connect to computer
Design
Stand adjusts
Stand adjusts	Tilt	Tilt
VESA mount
VESA mount	No	Yes
Weight with stand
Weight with stand	8.6 kg	6.6 kg
VESA pattern
VESA pattern	–	Optional Cinema Display VESA Mount Adapter Kit; VESA FDMI MIS-D 100 C
Size with stand
Size with stand	542 × 439 × 176 mm minimum depth; maximum depth 265 mm (width × height × depth)	471 × 410 × 174 mm (width × height × depth), from Apple's archived technical specifications
Controls
Controls	System power, sleep and wake; display preferences launch button and software brightness control	Side power and brightness buttons; resolution and colour settings through Mac OS X Displays preferences
Colours
Colours	Crystal-clear acrylic enclosure with silver bezel	Aluminium enclosure
Power and support
Power use
Power use	Maximum 60 W when operating; energy saver mode 3 W or less	Maximum 65 W; energy saver mode 3 W or less
Power supply
Power supply	24.5–28 V DC through ADC	External A1096 65 W adaptor; 100–240 V AC, 50–60 Hz; 24.5 V DC output
Software
Software	Mac OS X 10.2 or later; specified Power Mac G4 graphics cards, or DVI-equipped PowerBook G4 with Apple DVI to ADC Adapter. Apple UK confirms immediate availability on 28 January 2003. Native refresh is not specified in the read original Apple documentation; PRAD lists 60 Hz, not promoted into the main row.	Apple's UK announcement specifies July 2004 availability. Original manual supports Mac OS X 10.2.8 or later on listed DVI Macs, with compatible DVI-equipped Windows PCs also possible. Original manual explicitly specifies 1680 × 1050 at 60 Hz and 20.1-inch viewable diagonal. Main weight follows archived maker specs (6.6 kg); original manual gives 6.3 kg without explaining the discrepancy.
In the box
In the box	–	Display with captive connection cables, power adaptor, AC cord and cleaning cloth