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Apple Studio Display (15-inch ADC, 2000) vs Apple Studio Display (21-inch CRT, 1999)

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

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AppleStudio Display (15-inch ADC, 2000)AppleStudio Display (21-inch CRT, 1999)
Overview
ReleasedJuly 2000January 1999
Display
Screen size15″19.8″
Resolution1024 × 768–
Sharpness85 pixels per inch–
PanelLCD (TFT active-matrix LCD; Apple does not identify the panel subtype)CRT (Nominal 21-inch Sony Trinitron aperture-grille CRT with a 19.8-inch viewable image; 0.25–0.27 mm variable aperture grille pitch. Vertically flat screen, without a fixed native pixel matrix.)
Pixel pitch–Variable 0.25–0.27 mm aperture grille pitch
Supported signal modes–Supports 1600 × 1200, 1280 × 1024 and 1024 × 768 at up to 85 Hz; 1152 × 870 and 832 × 624 at up to 75 Hz. Horizontal scan 31–107 kHz; vertical scan 48–120 Hz. These are selectable CRT signal modes, not a fixed native matrix or one native refresh rate.
Screen coating–Antireflective and antistatic screen coating
Calibration–Internal measurement system adjusts the electron beam to maintain factory calibration; stores ColorSync profiles. Includes an ambient-light tool, variable 4100–9300 K white-point selection and gamma-curve adjustment.
Brightness (typical)230 nits–
Contrast ratio300:1–
ShapeFlat–
Colour depth24-bit colour; up to 16.7 million colours–
Viewing anglesTypical 120° horizontal and 90° vertical–
Connections
Video inputsApple Display ConnectorVGA
USB-C chargingNoneNone
USB ports2 × USB-A4 × USB-A
Other connectionsIntegrated ADC cable supplies digital video, USB data and power; two downstream powered USB ports. No separate analogue computer, composite, S-video or audio input.15-pin mini D-Sub VGA video connector with supplied VGA-to-Macintosh adaptor
Design
Stand adjustsTilt–
Weight with stand5.2 kg35 kg
Size with stand41 × 40.3 × 17.2–25.9 cm (width × height × depth), from Apple's May 2001 French datasheet; archived support page rounds to 15.8 × 16.1 × 6.7 inches (height × width × depth)51.1 × 56.6 × 55 cm (width × height × depth), January 1999 Blueberry datasheet; later Graphite enclosure dimensions differ
ControlsTouch-sensitive system power, sleep and wake control, plus brightness adjustmentPower, brightness and contrast; compatible Mac software supplies geometry, convergence, degauss, white-point and calibration adjustments
ColoursCrystal-clear acrylic enclosure with silver-coloured frameTranslucent Blueberry and white enclosure
Power and support
Power useMaximum 50 W operating; 35 W or less in sleep mode, from Apple datasheetMaximum 180 W operating; less than 30 W standby; less than 5 W when the computer is in energy-saving mode
Power supplyPowered through ADC; datasheet specifies 28 V DC ±1.5 V, with no separate monitor mains cord90–264 V AC, single-phase 47–63 Hz; mains frequency is separate from display refresh
SoftwareApple's 19 July 2000 US announcement says available immediately; Japanese first retail was 5 August, so the earlier US sale date is used. Brightness, contrast, weight and metric dimensions follow Apple's surviving May 2001 datasheet for M7928ZM/A. Neither this datasheet nor the archived support page specifies native refresh, so it is omitted. Requires Power Mac G4 or Power Mac G4 Cube with ADC in maker launch documentation; other digital sources require a compatible powered ADC adaptor.Maker announced the new Studio Display family on 5 January 1999; January retail precision is used because a distinct first-sale day is unconfirmed. January M6204LL/A datasheet requires the new Power Macintosh G3 with built-in USB and Mac OS 8.0 or later. Brightness and contrast ratio are unpublished and omitted; no pixel density is assigned to this CRT.
In the boxDisplay with integrated stand and ADC cableDisplay, Apple Displays software, VGA-to-Macintosh adaptor, power cord, ambient-light tool and setup guide

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