Apple iMac G4 (15-inch, USB 2.0) vs Apple iMac G4 (20-inch, USB 2.0)

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iMac G4 (15-inch, USB 2.0) compared with iMac G4 (20-inch, USB 2.0)

	AppleiMac G4 (15-inch, USB 2.0)	AppleiMac G4 (20-inch, USB 2.0)
Overview
Released
Released	September 2003	November 2003
Performance
Processor
Processor	Motorola PowerPC G4 1 GHz (iMac USB 2.0)	Motorola PowerPC G4 1.25 GHz (iMac USB 2.0)
CPU cores
CPU cores	1	1
Graphics
Graphics	NVIDIA GeForce4 MX (32 MB)	NVIDIA GeForce FX 5200 Ultra (64 MB)
Memory
Memory	256 MB, 512 MB or 1 GB	256 MB, 512 MB or 1 GB
Storage
Storage	80 GB to 160 GB	80 GB to 160 GB
CPU
CPU	1 GHz PowerPC G4 with 167 MHz system bus and 256 KB on-chip L2 cache; a generic maker-clock record avoids inferring a silicon revision.	1.25 GHz PowerPC G4 with 167 MHz system bus and 256 KB on-chip L2 cache. Generic maker-clock record retains the single-core identity cross-checked with the exact EveryMac source; uncertain silicon revision is not inferred.
GPU
GPU	NVIDIA GeForce4 MX with 32 MB dedicated DDR video memory and AGP 4x support.	NVIDIA GeForce FX 5200 Ultra with 64 MB dedicated DDR video memory and AGP 4x support.
Memory type
Memory type	256 MB PC2700 (333 MHz) DDR SDRAM standard; factory options 512 MB or 1 GB. One 184-pin DIMM and one user-accessible SO-DIMM slot.	256 MB PC2700 (333 MHz) DDR SDRAM standard; factory options 512 MB or 1 GB. One 184-pin DIMM and one user-accessible SO-DIMM slot. Configurations retain Apple's supported 1 GB maximum, not unofficial upgrade limits.
Storage type
Storage type	80 GB 7200 rpm Ultra ATA/100 hard drive, configurable to 160 GB; 32x Combo DVD-ROM/CD-RW drive. Published memory and storage factory options are retained for the 1 GHz processor.	80 GB 7200 rpm Ultra ATA/100 hard drive, configurable to 160 GB; 4x SuperDrive DVD-R/CD-RW. Published memory and storage factory options are retained for the 1.25 GHz processor.
Display
Screen size
Screen size	15″	20″
Resolution
Resolution	1024 × 768	1680 × 1050 (better)
Brightness
Brightness	200 nits	230 nits (better)
Display type
Display type	TFT active-matrix LCD with millions of colours and typical 300:1 contrast. Exact maker sheet does not publish panel technology or refresh rate.	Widescreen TFT active-matrix LCD with millions of colours and typical 350:1 contrast. Panel technology and refresh rate are not published in the exact maker sheet.
Display features
Display features	Typical viewing angles 120° horizontal and 90° vertical; articulated arm adjusts display height and angle.	Typical viewing angles: 170° horizontal and vertical; articulated display arm adjusts height and angle.
Connections
Ports
Ports	3 × USB-A, Ethernet, headphone jack	3 × USB-A, Ethernet, headphone jack
Ethernet
Ethernet	0.1 Gb/s	0.1 Gb/s
Back ports
Back ports	Three USB 2.0 ports on the computer, up to 480 Mbps, plus two USB 1.1 ports on the keyboard; two FireWire 400 ports with 8 W shared power, Mini-VGA, 10/100BASE-T Ethernet, 56K V.92 modem, headphone jack, Apple speaker minijack and audio line-in. AirPort Extreme 802.11g card and internal Bluetooth are optional.	Three USB 2.0 ports on the computer, up to 480 Mbps, plus two USB 1.1 ports on the keyboard; two FireWire 400 ports with 8 W shared power, Mini-VGA, 10/100BASE-T Ethernet, 56K V.92 modem, headphone jack, Apple speaker minijack and audio line-in. AirPort Extreme 802.11g card and internal Bluetooth are optional, rather than standard.
External displays
External displays	Mini-VGA provides video mirroring on a VGA display or S-video/composite television through optional adapters. Output resolutions: 640 × 480 at 60 Hz, 800 × 600 at 75 Hz or 1024 × 768 at 75 Hz.	Mini-VGA provides video mirroring on a VGA display or S-video/composite television through optional adapters. Output resolutions: 640 × 480 at 60 Hz, 800 × 600 at 75 Hz or 1024 × 768 at 75 Hz.
Camera
Camera	–	The external iSight shown in the product image is an optional accessory; this iMac has no integrated camera.
Speakers
Speakers	Built-in speaker and microphone, Apple Pro Speakers rated at 7 W each and internal 14 W amplifier.	Built-in speaker and microphone, Apple Pro Speakers rated at 7 W each and internal 14 W amplifier.
Keyboard and mouse
Keyboard and mouse	Apple Keyboard, Apple Mouse, Apple Pro Speakers and modem cable.	Apple Keyboard, Apple Mouse, Apple Pro Speakers and modem cable. Wireless Keyboard and Wireless Mouse were optional accessories.
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	9.7 kg (better)	18.2 kg
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Maker adjustable ranges: height 329–509 mm, width 384–415 mm and depth 270–415 mm; base diameter 270 mm. Reference weight varies by configuration and manufacturing process.	Adjustable maker ranges: height 354–530 mm, width 440–514 mm and depth 270–440 mm; base diameter 270 mm. Reference weight varies by configuration and manufacturing process.
Power supply
Power supply	90–264 V AC, 47–63 Hz, single phase; maximum continuous power 130 W.	90–264 V AC, 47–63 Hz, single phase; maximum continuous power 190 W.
In the box
In the box	Launch Mac OS X 10.2 Jaguar and iLife, with productivity software and Tony Hawk’s Pro Skater 4. The retained sheet lists the later Mac OS X 10.3 Panther bundle. Maker launch confirms immediate availability on 8 September 2003.	Mac OS X 10.3 Panther and iLife, with Apple's productivity software and Tony Hawk's Pro Skater 4. Maker launch confirms immediate availability on 18 November 2003.