Apple iMac (20-inch, Mid 2007) vs Apple iMac G5 (20-inch, iSight)

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iMac (20-inch, Mid 2007) compared with iMac G5 (20-inch, iSight)

	AppleiMac (20-inch, Mid 2007)	AppleiMac G5 (20-inch, iSight)
Overview
Released
Released	August 2007	October 2005
Performance
Processor
Processor	Intel Core 2 Duo T7300 or Intel Core 2 Duo T7700	IBM PowerPC G5 2.1 GHz (iMac iSight)
CPU cores
CPU cores	2	1
Graphics
Graphics	ATI Radeon HD 2400 XT (128 MB GDDR3) or ATI Radeon HD 2600 PRO (256 MB GDDR3)	ATI Radeon X600 XT (128 MB DDR)
Memory
Memory	1 GB, 2 GB or 4 GB (better)	512 MB, 1 GB, 1.5 GB or 2.5 GB
Storage
Storage	250 GB to 750 GB (better)	250 GB to 500 GB
CPU
CPU	2.0 GHz Intel Core 2 Duo T7300 or 2.4 GHz T7700; 4 MB shared L2 cache and 800 MHz system bus. Exact processor identities cross-checked with EveryMac.	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 Generic maker-clock chip record avoids borrowing uncertain silicon revision or unpublished thread/power figures.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 HD 2400 XT with 128 MB GDDR3 on the 2.0 GHz model; Radeon HD 2600 PRO with 256 MB GDDR3 on the 2.4 GHz model	ATI Radeon X600 XT with 128 MB dedicated DDR video memory; PCI Express.
Memory type
Memory type	Two user-accessible SO-DIMM slots for PC2-5300 (667 MHz) DDR2 SDRAM; 1 GB standard on both processors, configurable to 2 or 4 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	7200 rpm Serial ATA hard drive; 250 GB on the 2.0 GHz model, configurable to 320 or 500 GB; 320 GB on the 2.4 GHz model, configurable to 500 or 750 GB. Slot-loading 8x SuperDrive with 4x double-layer DVD burning.	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	20″	20″
Resolution
Resolution	1680 × 1050	1680 × 1050
Brightness
Brightness	290 nits (better)	280 nits
Display type
Display type	Glossy widescreen TFT active-matrix LCD, millions of colours; typical contrast 800:1 and 160° horizontal and vertical viewing angles. Panel technology and refresh rate unpublished and omitted.	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
External displays
External displays	Up to 1	–
Wi-Fi
Wi-Fi	802.11n draft; compatible with 802.11a/b/g	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 on the supplied keyboard; one FireWire 400 and one FireWire 800 port, each rated 7 W; mini-DVI output, Gigabit Ethernet, headphone/optical digital output and line-in/optical digital input. FireWire, mini-DVI and audio input described here.	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	One external display in extended desktop or mirroring mode; digital resolutions up to 1920 × 1200 and analogue up to 2048 × 1536. DVI, VGA, S-video and composite adapters sold separately.	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.
Speakers
Speakers	Built-in stereo speakers with internal 24 W digital amplifier and built-in microphone	Built-in stereo speakers and microphone; 12 W digital amplifier.
Keyboard and mouse
Keyboard and mouse	Apple Keyboard, Mighty Mouse and infrared Apple Remote; optional wireless keyboard and wireless Mighty Mouse	Apple Keyboard, Mighty Mouse and Apple Remote.
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	–	10 kg
Width × depth × height
Width × depth × height	485 × 189 × 469 mm	493 × 189 × 472 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Maker weight 20 pounds (9.1 kg), varying by configuration and manufacturing process; shared scalar weight omitted	Maker reference weight; actual weight varies with configuration and manufacturing process.
Power supply
Power supply	Maximum continuous power 200 W; 100–240 V AC, 50–60 Hz single phase	Maximum continuous power 180 W; 100–240 V AC, 50–60 Hz.
In the box
In the box	iMac, Apple Keyboard, Mighty Mouse, Apple Remote, cleaning cloth, power cord, install/restore DVDs and documentation; Mac OS X 10.4.10 Tiger and iLife '08; iWork '08 trial, Front Row and Photo Booth	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.