Apple iMac (20-inch, Mid 2007) vs Apple iMac G5 (20-inch, Ambient Light Sensor)

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iMac (20-inch, Mid 2007) compared with iMac G5 (20-inch, Ambient Light Sensor)

	AppleiMac (20-inch, Mid 2007)	AppleiMac G5 (20-inch, Ambient Light Sensor)
Overview
Released
Released	August 2007	May 2005
Performance
Processor
Processor	Intel Core 2 Duo T7300 or Intel Core 2 Duo T7700	IBM PowerPC G5 2 GHz (iMac Ambient Light Sensor)
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 9600 (128 MB)
Memory
Memory	1 GB, 2 GB or 4 GB (better)	512 MB or 2 GB
Storage
Storage	250 GB to 750 GB (better)	250 GB to 400 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.	2.0 GHz PowerPC G5 with 667 MHz frontside bus, 512 KB L2 cache and SuperDrive. Generic maker-clock chip records retain the single-core identity cross-checked with exact EveryMac sources; uncertain 970/970FX silicon revision is not inferred.
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 9600 with 128 MB dedicated video memory; AGP 8x support.
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	400 MHz DDR SDRAM (PC3200), two 184-pin DIMM slots; 512 MB standard and 2 GB supported maximum. Configurations conservatively list the published base and maximum; no intermediate factory pairing is inferred.
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 400 GB; 8x SuperDrive with 2.4x double-layer DVD writing.
Display
Screen size
Screen size	20″	20″
Resolution
Resolution	1680 × 1050	1680 × 1050
Brightness
Brightness	290 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 Panel technology and refresh rate unpublished and omitted.	Widescreen LCD with millions of colours; panel technology, refresh rate and brightness not published in the retained exact maker specification.
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	–
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, Mini-VGA output, Gigabit Ethernet, headphone/optical output and audio line-in. Built-in 56K V.92 modem is confirmed by launch press and exact manual; retained USB-HSP wording describes its internal transport, rather than an extra external USB device.
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, S-video or composite output; no DVI connector is listed.
Speakers
Speakers	Built-in stereo speakers with internal 24 W digital amplifier and built-in microphone	Built-in stereo speakers and microphone.
Keyboard and mouse
Keyboard and mouse	Apple Keyboard, Mighty Mouse and infrared Apple Remote; optional wireless keyboard and wireless Mighty Mouse	Apple Keyboard and Apple Mouse; the later Mighty Mouse and iSight-generation remote are not substituted for the launch accessories.
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	–	11.4 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	–
Power supply
Power supply	Maximum continuous power 200 W; 100–240 V AC, 50–60 Hz single phase	–
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, keyboard, mouse, power cord, install/restore DVDs and documentation; Mac OS X Tiger, iLife ’05 and AppleWorks. Classic support is available but not preinstalled and cannot boot Mac OS 9.