Apple iMac G5 (17-inch, iSight) vs Apple iMac G5 (20-inch, iSight)

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iMac G5 (17-inch, iSight) compared with iMac G5 (20-inch, iSight)

	AppleiMac G5 (17-inch, iSight)	AppleiMac G5 (20-inch, iSight)
Overview
Released
Released	October 2005	October 2005
Performance
Processor
Processor	IBM PowerPC G5 1.9 GHz (iMac iSight)	IBM PowerPC G5 2.1 GHz (iMac iSight)
CPU cores
CPU cores	1	1
Graphics
Graphics	ATI Radeon X600 Pro (128 MB DDR)	ATI Radeon X600 XT (128 MB DDR)
Memory
Memory	512 MB, 1 GB, 1.5 GB or 2.5 GB	512 MB, 1 GB, 1.5 GB or 2.5 GB
Storage
Storage	160 GB to 500 GB	250 GB to 500 GB
CPU
CPU	1.9 GHz PowerPC G5 with 512 KB L2 cache and 633 MHz frontside bus; single-core identity cross-checked with exact EveryMac source. Generic maker-clock chip record avoids borrowing uncertain silicon revision or unpublished thread/power figures.	2.1 GHz PowerPC G5 with 512 KB L2 cache and 700 MHz frontside bus; single-core identity cross-checked with exact EveryMac source. Generic maker-clock chip record avoids borrowing uncertain silicon revision or unpublished thread/power figures.
GPU
GPU	ATI Radeon X600 Pro with 128 MB dedicated DDR video memory; PCI Express.	ATI Radeon X600 XT with 128 MB dedicated DDR video memory; PCI Express.
Memory type
Memory type	533 MHz DDR2; 512 MB built in plus one expansion slot. Maker factory upgrades provide total capacities of 1, 1.5 or 2.5 GB.	533 MHz DDR2; 512 MB built in plus one expansion slot. Maker factory upgrades provide total capacities of 1, 1.5 or 2.5 GB.
Storage type
Storage type	160 GB 7200 rpm Serial ATA hard drive, configurable to 250 or 500 GB. Slot-loading 8x SuperDrive with 2.4x double-layer DVD writing, 4x DVD rewritable writing and 24x CD writing.	250 GB 7200 rpm Serial ATA hard drive, configurable to 500 GB. Slot-loading 8x SuperDrive with 2.4x double-layer DVD writing, 4x DVD rewritable writing and 24x CD writing.
Display
Screen size
Screen size	17″	20″
Resolution
Resolution	1440 × 900	1680 × 1050 (better)
Brightness
Brightness	250 nits	280 nits (better)
Display type
Display type	TFT active-matrix LCD with millions of colours; typical contrast 500:1 and viewing angles of 140 degrees horizontal/120 degrees vertical. Panel technology and refresh rate unpublished.	TFT active-matrix LCD with millions of colours; typical contrast 800:1 and viewing angles of 170 degrees horizontal and vertical. Panel technology and refresh rate unpublished.
Connections
Ports
Ports	3 × USB-A, Ethernet, headphone jack	3 × USB-A, Ethernet, headphone jack
Ethernet
Ethernet	1 Gb/s	1 Gb/s
Wi-Fi
Wi-Fi	802.11g	802.11g
Bluetooth
Bluetooth	2.0 + EDR	2.0 + EDR
Camera
Camera	iSight camera	iSight camera
Back ports
Back ports	Three USB 2.0 ports on the computer, plus two USB 1.1 ports on the keyboard; two FireWire 400 ports sharing 8 W, Mini-VGA output, Gigabit Ethernet, headphone/optical output and audio line-in.	Three USB 2.0 ports on the computer, plus two USB 1.1 ports on the keyboard; two FireWire 400 ports sharing 8 W, Mini-VGA output, Gigabit Ethernet, headphone/optical output and audio line-in.
External displays
External displays	Optional Mini-VGA adapters provide VGA mirroring or S-video/composite output; no DVI connector or extended-desktop mode is listed.	Optional Mini-VGA adapters provide VGA mirroring or S-video/composite output; no DVI connector or extended-desktop mode is listed.
Camera
Camera	Built-in iSight; exact maker resolution is unpublished and omitted.	Built-in iSight; exact maker resolution is unpublished and omitted.
Speakers
Speakers	Built-in stereo speakers and microphone; 12 W digital amplifier.	Built-in stereo speakers and microphone; 12 W digital amplifier.
Keyboard and mouse
Keyboard and mouse	Apple Keyboard, Mighty Mouse and Apple Remote.	Apple Keyboard, Mighty Mouse and Apple Remote.
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	7 kg (better)	10 kg
Width × depth × height
Width × depth × height	426 × 173 × 430 mm	493 × 189 × 472 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Maker reference weight; actual weight varies with configuration and manufacturing process.	Maker reference weight; actual weight varies with configuration and manufacturing process.
Power supply
Power supply	Maximum continuous power 180 W; 100–240 V AC, 50–60 Hz.	Maximum continuous power 180 W; 100–240 V AC, 50–60 Hz.
In the box
In the box	iMac G5, Apple Keyboard, Mighty Mouse, Apple Remote, power cord, install/restore DVDs and documentation; Mac OS X Tiger, iLife ’05, Front Row and Photo Booth. Apple announced availability the week after 12 October 2005; release remains October at month precision.	iMac G5, Apple Keyboard, Mighty Mouse, Apple Remote, power cord, install/restore DVDs and documentation; Mac OS X Tiger, iLife ’05, Front Row and Photo Booth. Apple announced availability the week after 12 October 2005; release remains October at month precision.