Apple Cinema Display (20-inch, ADC) vs Apple Cinema HD Display (23-inch, ADC)

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Cinema Display (20-inch, ADC) compared with Cinema HD Display (23-inch, ADC)

	AppleCinema Display (20-inch, ADC)	AppleCinema HD Display (23-inch, ADC)
Overview
Released
Released	January 2003	April 2002
Display
Screen size
Screen size	20″	23″
Resolution
Resolution	1680 × 1050	1920 × 1200 (WUXGA) (better)
Sharpness
Sharpness	99 pixels per inch (better)	98 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); S-IPS identification from PRAD's exact ADC model datasheet)
Brightness (typical)
Brightness (typical)	230 nits (better)	200 nits
Contrast ratio
Contrast ratio	350:1	350:1
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
Viewing angles
Viewing angles	170° horizontally and vertically	Apple's March 2002 announcement says 160°; its January 2003 technology overview and original archived store page say 170° horizontally and vertically
Pixel pitch
Pixel pitch	0.258 mm	0.258 mm
Connections
Video inputs
Video inputs	Apple Display Connector	Apple Display Connector
USB-C charging
USB-C charging	None	None
USB ports
USB ports	2 × USB-A	2 × USB-A
Speakers
Speakers	No	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 ADC connector carries digital video, USB data and power; no separate power cord for an ADC-equipped Mac
USB hub detail
USB hub detail	Two-port self-powered USB hub	Two-port self-powered USB hub
Design
Stand adjusts
Stand adjusts	Tilt	Tilt
VESA mount
VESA mount	No	No
Weight with stand
Weight with stand	8.6 kg	11.5 kg
Size with stand
Size with stand	542 × 439 × 176 mm minimum depth; maximum depth 265 mm (width × height × depth)	614 × 488 × 187 mm minimum depth; maximum depth 280 mm (width × height × depth)
Controls
Controls	System power, sleep and wake; display preferences launch button and software brightness control	System power, sleep and wake; display preferences launch button and software brightness control
Colours
Colours	Crystal-clear acrylic enclosure with silver bezel	Crystal-clear acrylic enclosure with silver bezel
Power and support
Power use
Power use	Maximum 60 W when operating; energy saver mode 3 W or less	Maximum 70 W when operating; energy saver mode 3 W or less
Power supply
Power supply	24.5–28 V DC through ADC	24.5–28 V DC through ADC
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.	Mac OS X 10.1.3 or Mac OS 9.2.2 or later; specified Power Mac G4 graphics cards, or DVI-equipped PowerBook G4 with Apple DVI to ADC Adapter. Native refresh is not specified in the read original Apple documentation; PRAD lists 60 Hz, not promoted into the main row.