Apple iMac G4 (20-inch, USB 2.0) vs Apple Power Mac G4 (Mirrored Drive Doors 2002)

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iMac G4 (20-inch, USB 2.0) compared with Power Mac G4 (Mirrored Drive Doors 2002)

	AppleiMac G4 (20-inch, USB 2.0)	ApplePower Mac G4 (Mirrored Drive Doors 2002)
Overview
Released
Released	November 2003	August 2002
Performance
Processor
Processor	Motorola PowerPC G4 1.25 GHz (iMac USB 2.0)	2 × PowerPC G4 867 MHz (Power Mac Mirrored Drive Doors 2002), 2 × PowerPC G4 1000 MHz (Power Mac Mirrored Drive Doors 2002) or 2 × PowerPC G4 1250 MHz (Power Mac Mirrored Drive Doors 2002)
CPU cores
CPU cores	1	2
Graphics
Graphics	NVIDIA GeForce FX 5200 Ultra (64 MB)	NVIDIA GeForce4 MX (32 MB) or ATI Radeon 9000 Pro (64 MB)
Memory
Memory	256 MB, 512 MB or 1 GB	256 MB, 512 MB or 2 GB (better)
Storage
Storage	80 GB to 160 GB (better)	60 GB to 120 GB
CPU
CPU	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.	Dual 867 MHz, dual 1 GHz or dual 1.25 GHz PowerPC G4 processors; each physical processor has 256 KB on-chip L2 cache. 867 MHz and 1 GHz have 1 MB DDR SRAM L3 per processor; 1.25 GHz has 2 MB. System bus 133 MHz on dual 867, 167 MHz on dual 1/1.25 GHz. CPU count describes physical processors; supplier is not inferred.
GPU
GPU	NVIDIA GeForce FX 5200 Ultra with 64 MB dedicated DDR video memory and AGP 4x support.	Dual 867 MHz: NVIDIA GeForce4 MX 32 MB DDR. Dual 1/1.25 GHz: ATI Radeon 9000 Pro 64 MB DDR. Optional NVIDIA GeForce4 Ti 128 MB; independent CTO options are not expanded into unsupported stock combinations.
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. Configurations retain Apple's supported 1 GB maximum, not unofficial upgrade limits.	Dual 867 MHz: 256 MB PC2100 DDR SDRAM at 266 MHz. Dual 1 GHz: 256 MB PC2700 DDR at 333 MHz; dual 1.25 GHz: 512 MB PC2700. Four DIMM slots support up to 2 GB. Configurations preserve stock processor/drive/graphics ties at base and maximum memory.
Storage type
Storage type	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.	60/80/120 GB 7200 rpm Ultra ATA/100 stock drives respectively. Dual 867 MHz has Combo DVD-ROM/CD-RW (CD-R 16x); faster models SuperDrive (DVD-R 2x, CD-R 8x). Four hard-drive bays support two ATA/100 and two ATA/66 drives, or up to four SCSI drives with a separately sold PCI card. Two optical bays, one occupied; optional second Combo drive. Maker optional storage choices remain in details rather than assumed CPU cross-pairs.
Expansion slots
Expansion slots	–	Four open full-length 64-bit 33 MHz PCI slots and dedicated AGP 4x graphics slot.
Display
Screen size
Screen size	20″	None built in
Resolution
Resolution	1680 × 1050	–
Brightness
Brightness	230 nits	–
Display type
Display type	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: 170° horizontal and vertical; articulated display arm adjusts height and angle.	–
Connections
Ports
Ports	3 × USB-A, Ethernet, headphone jack	2 × USB-A, Ethernet, headphone jack
Ethernet
Ethernet	0.1 Gb/s	1 Gb/s (better)
External displays
External displays	–	Up to 2
Front ports
Front ports	–	Headphone jack and built-in speaker.
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, rather than standard.	Two FireWire 400, two USB chassis ports (maker four-port total includes two keyboard ports), Gigabit Ethernet, 56K V.92 modem, ADC/DVI, stereo audio line-in/out and Apple Pro Speakers minijack. Optional 11 Mbps AirPort 802.11b card. Bluetooth is a separately listed adapter, not built-in. No FireWire 800 in this 2002 generation.
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.	Two displays in extended desktop or mirroring modes; ADC and DVI with included DVI-to-VGA adapter. Connecting two ADC displays requires a separately sold DVI-to-ADC adapter.
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; optional Apple Pro Speakers.
Keyboard and mouse
Keyboard and mouse	Apple Keyboard, Apple Mouse, Apple Pro Speakers and modem cable. Wireless Keyboard and Wireless Mouse were optional accessories.	Apple Pro Keyboard, optical Apple Pro Mouse, DVI-to-VGA adapter and modem cable.
Design and power
Type
Type	All-in-one	Tower
Weight
Weight	18.2 kg (better)	19.1 kg
Width × depth × height
Width × depth × height	–	227 × 468 × 432 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	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.	Exact maker reference weight 19.1 kg varies with configuration and manufacturing process; height 43.2, width 22.7, depth 46.8 cm. These published dimensions differ slightly from earlier G4 sheets and are retained.
Power supply
Power supply	90–264 V AC, 47–63 Hz, single phase; maximum continuous power 190 W.	100–125 V AC or 200–240 V AC, 50–60 Hz. Maximum current 6.5 A at low voltage or 7.5 A at high voltage; maker publishes no maximum wattage here.
In the box
In the box	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.	Mac OS X 10.2 Jaguar as default startup system, plus bootable Mac OS 9.2.2; iMovie, iPhoto, iTunes and iDVD for SuperDrive. Maker August 13 release says dual 867/1 GHz available that week, so first sale uses August month precision. Actual dual-1.25 GHz shipping confirmed 18 September. January 2003 FireWire 800 models and June 2003 reissue are separate generations.