Apple iMac (20-inch, Early 2006) vs Apple iMac (24-inch, Late 2006)

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iMac (20-inch, Early 2006) compared with iMac (24-inch, Late 2006)

	AppleiMac (20-inch, Early 2006)	AppleiMac (24-inch, Late 2006)
Overview
Released
Released	January 2006	September 2006
Performance
Processor
Processor	Intel Core Duo T2500	Intel Core 2 Duo T7400 or Intel Core 2 Duo T7600
CPU cores
CPU cores	2	2
Graphics
Graphics	ATI Radeon X1600 (128 MB GDDR3) or ATI Radeon X1600 (256 MB GDDR3)	NVIDIA GeForce 7300 GT (128 MB GDDR3) or NVIDIA GeForce 7600 GT (256 MB GDDR3)
Memory
Memory	512 MB, 1 GB or 2 GB	1 GB, 2 GB or 3 GB (better)
Storage
Storage	250 GB to 500 GB	250 GB to 500 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	2.16 GHz Core 2 Duo T7400, configurable to 2.33 GHz T7600; 4 MB shared L2 cache and 667 MHz system bus. Exact processor identities cross-checked with EveryMac.
GPU
GPU	ATI Radeon X1600 with 128 MB GDDR3, configurable to 256 MB	NVIDIA GeForce 7300 GT with 128 MB GDDR3, configurable to GeForce 7600 GT with 256 MB GDDR3 with either processor
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.	Two SO-DIMM slots for PC2-5300 (667 MHz) DDR2 SDRAM; 1 GB standard as two 512 MB modules, configurable to 2 or 3 GB
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	250 GB 7200 rpm Serial ATA hard drive, configurable to 500 GB; slot-loading 8x SuperDrive with 2.4x double-layer DVD burning. Maker lists processor, memory, storage and graphics upgrades independently.
Display
Screen size
Screen size	20″	24″
Resolution
Resolution	1680 × 1050	1920 × 1200 (better)
Brightness
Brightness	280 nits	400 nits (better)
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 Panel technology and refresh rate unpublished.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, millions of colours; typical contrast 700:1 and 178° horizontal and vertical viewing angles. Panel technology and refresh rate unpublished.
Display features
Display features	–	Optional VESA Mount Adapter kit
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	Up to 1
Wi-Fi
Wi-Fi	802.11g; 54 Mbps AirPort Extreme	802.11g; 54 Mbps AirPort Extreme
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 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 and two USB 1.1 ports on its keyboard; one FireWire 400 and one FireWire 800 port sharing 15 W, mini-DVI, Gigabit Ethernet, headphone/optical digital output and line-in/optical digital input
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.	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.
Speakers
Speakers	Built-in stereo speakers with internal 12 W digital amplifier and built-in microphone	Built-in stereo speakers with internal 24 W digital amplifier and built-in microphone
Keyboard and mouse
Keyboard and mouse	Apple Keyboard, Mighty Mouse and Apple Remote; optional wireless keyboard and mouse	Apple Keyboard, Mighty Mouse and Apple Remote; optional wireless keyboard and mouse
Design and power
Type
Type	All-in-one	All-in-one
Width × depth × height
Width × depth × height	493 × 189 × 472 mm	574 × 207 × 523 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	Maker weight 24.7 pounds (11.2 kg), varying by configuration and manufacturing process; shared scalar weight omitted
Power supply
Power supply	Maximum continuous power 180 W; 100–240 V AC, 50–60 Hz single phase	Maximum continuous power 220 W; 100–240 V AC, 50–60 Hz single phase
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	iMac, Apple Keyboard, Mighty Mouse, Apple Remote, power cord, install/restore DVDs and documentation; Mac OS X 10.4 Tiger, iLife '06, Front Row, Photo Booth, Microsoft Office 2004 Test Drive and iWork trial