Apple iMac (20-inch, Early 2006) vs Apple iMac G4 (20-inch, USB 2.0)

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iMac (20-inch, Early 2006) compared with iMac G4 (20-inch, USB 2.0)

	AppleiMac (20-inch, Early 2006)	AppleiMac G4 (20-inch, USB 2.0)
Overview
Released
Released	January 2006	November 2003
Performance
Processor
Processor	Intel Core Duo T2500	Motorola PowerPC G4 1.25 GHz (iMac USB 2.0)
CPU cores
CPU cores	2	1
Graphics
Graphics	ATI Radeon X1600 (128 MB GDDR3) or ATI Radeon X1600 (256 MB GDDR3)	NVIDIA GeForce FX 5200 Ultra (64 MB)
Memory
Memory	512 MB, 1 GB or 2 GB (better)	256 MB, 512 MB or 1 GB
Storage
Storage	250 GB to 500 GB (better)	80 GB to 160 GB
CPU
CPU	2 GHz Intel Core Duo T2500 with 2 MB shared L2 cache and 667 MHz system bus; exact identity documented in Ars Technica's launch review	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	ATI Radeon X1600 with 128 MB GDDR3, configurable to 256 MB	NVIDIA GeForce FX 5200 Ultra with 64 MB dedicated DDR video memory and AGP 4x support.
Memory type
Memory type	Two SO-DIMM slots for PC2-5300 (667 MHz) DDR2 SDRAM; 512 MB standard as one module, expandable to 2 GB. The intermediate 1 GB factory option is documented by Sound On Sound's launch review.	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	250 GB 7200 rpm Serial ATA hard drive, configurable to 500 GB; slot-loading 8x SuperDrive with 2.4x double-layer DVD burning	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	20″	20″
Resolution
Resolution	1680 × 1050	1680 × 1050
Brightness
Brightness	280 nits (better)	230 nits
Display type
Display type	Widescreen TFT active-matrix LCD, millions of colours; typical contrast 800:1 and viewing angles 170° horizontal and vertical. Panel technology and refresh rate unpublished.	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	3 × USB-A, Ethernet, headphone jack
Ethernet
Ethernet	1 Gb/s (better)	0.1 Gb/s
External displays
External displays	Up to 1	–
Wi-Fi
Wi-Fi	802.11g; 54 Mbps AirPort Extreme	–
Bluetooth
Bluetooth	2.0 + EDR	–
Camera
Camera	iSight camera	–
Back ports
Back ports	Three USB 2.0 ports on the computer and two USB 1.1 ports on its keyboard; two FireWire 400 ports sharing 8 W, mini-DVI, Gigabit Ethernet, headphone/optical digital output and analogue audio line input	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	One external display in extended desktop or mirroring mode; digital resolutions up to 1920 × 1200. DVI, VGA, S-video and composite adapters sold separately; analogue maximum omitted because the archived maker page gives an unresolved 2045 × 1536 figure.	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 stereo speakers with internal 12 W digital amplifier and built-in microphone	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, Mighty Mouse and Apple Remote; optional wireless keyboard and mouse	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	–	18.2 kg
Width × depth × height
Width × depth × height	493 × 189 × 472 mm	–
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Maker weight 22 pounds (10 kg), varying by configuration and manufacturing process; shared scalar weight omitted	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	Maximum continuous power 180 W; 100–240 V AC, 50–60 Hz single phase	90–264 V AC, 47–63 Hz, single phase; maximum continuous power 190 W.
In the box
In the box	iMac, Apple Keyboard, Mighty Mouse, Apple Remote, power cord, install/restore DVDs and documentation; Mac OS X 10.4.4 Tiger and iLife '06, Front Row, Photo Booth, Microsoft Office 2004 Test Drive and iWork trial	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.