There is no possible upgrade for a computer with a 120 MHz Pentium to an 800 MHz processor.
Apple iMac 20-Inch 'Core 2 Duo' 2.4 (Early 2008) Specs
Identifiers: Early 2008 - MB323LL/A - iMac8,1 - A1224 - 2210
All iMac 20-Inch Models All 2008 Models Dynamically Compare This Mac to Others
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The iMac 'Core 2 Duo' 2.4 20-Inch Aluminum (Early 2008/Penryn) features a 2.4 GHz Intel 'Core 2 Duo' processor (E8135), with two independent processor 'cores' on a single silicon chip, a 6 MB shared level 2 cache, a 1066 MHz system bus, 1 GB of RAM (800 MHz DDR2 SDRAM, PC2-6400), a 250 GB (7200 RPM) Serial ATA hard drive, a vertically-mounted slot-loading DVD±R DL 'SuperDrive', ATI Radeon HD 2400 XT graphics acceleration with 128 MB of GDDR3 memory, a built-in iSight video camera, and built-in stereo speakers underneath the 20' glossy TFT Active Matrix LCD (1680x1050 native) display.
Connectivity includes three USB 2.0 ports, a Firewire '400' port and a Firewire '800' port, built-in AirPort Extreme, and Gigabit Ethernet, as well as mini-DVI, which supports an external display in 'extended desktop' mode.
Externally, the iMac 'Core 2 Duo' Aluminum (Early 2008/Penryn) models essentially are the same as the original Aluminum models that these replaced, with the same housing and glass cover that 'joins precisely to the aluminum enclosure creating a virtually seamless front surface'. The Early 2008/Penryn models, likewise, are paired with the same 'ultra-thin alumium' Apple Keyboard (0.33 inches at the front edge).
Internally, however, the 'Early 2008/Penryn' revision of the 'Aluminum Core 2 Duo' models have faster and more energy-efficient 45 nm 'Penryn' processors -- compared to 65 nm 'Merom' processors in the original 'Aluminum' models -- larger level 2 caches (6 MB compared to 4 MB), faster frontside buses (1066 MHz compared to 800 MHz), and faster memory (PC2-6400 compared to PC2-5300). Some configurations shipped with more default memory as well.
Also see:
- What are the differences between the 'Early 2008/Penryn' Aluminum iMac Core 2 Duo models?
- How do the 'Early 2008/Penryn' Aluminum iMac Core 2 Duo models compare to the original Aluminum models that preceded them?
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- Tech Specs
- Ports
- Global Original Prices
- Popular Q&As
Click on a category for related details. The most commonly needed info is 'open' by default, but all info is important. Asterisks (*) reference data in details fields.
| Introduction Date: | April 28, 2008 | Discontinued Date: | March 3, 2009 |
| Details: | The 'Introduction Date' refers to the date a model was introduced via press release. The 'Discontinued Date' refers to the date a model either was replaced by a subsequent system or production otherwise ended.
Also see: All Macs introduced in 2008. |
| Details: | Also see: All models with a 64-Bit processor courtesy of EveryMac.com's Ultimate Mac Sort. |
| Details: | Geekbench 2 benchmarks are in 32-bit and 64-bit modes, respectively. These numbers reflect an average of user provided 32-bit and 64-bit results as submitted to the Geekbench website. Higher numbers are better.
You also might be interested in reviewing all 32-bit and 64-bit Geekbench 2 user submissions for Macs with the iMac8,1 Model Identifier, which may include multiple models.
To dynamically compare Geekbench 2 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison. |
| Details: | These Geekbench 3 benchmarks are in 32-bit mode and are for a single processor core and all processor cores, respectively. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better.
You also might be interested in reviewing all 32-bit single core and multicore Geekbench 3 user submissions for Macs with the iMac8,1 Model Identifier, which may include multiple models.
To dynamically compare 32-bit Geekbench 3 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison. |
| Details: | These Geekbench 3 benchmarks are in 64-bit mode and are for a single processor core and all processor cores, respectively. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better.
You also might be interested in reviewing all 64-bit single core and multicore Geekbench 3 user submissions for Macs with the iMac8,1 Model Identifier, which may include multiple models.
To dynamically compare 64-bit Geekbench 3 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison. |
| Details: | These Geekbench 4 benchmarks are are for a single processor core and all processor cores, respectively. All Geekbench 4 benchmarks are 64-bit. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better.
You also might be interested in reviewing all single core and multicore Geekbench 4 user submissions for Macs with the iMac8,1 Model Identifier, which may include multiple models.
To dynamically compare Geekbench 4 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison. |
| Processor Speed: | 2.4 GHz | Processor Type: | Core 2 Duo (E8135) |
| Details: | All Intel 'Core 2 Duo' processors include two independent processor 'cores' on a single silicon chip.
Also see: How much faster are the 'Early 2008/Penryn' Aluminum iMac Core 2 Duo models than the original Aluminum models? |
| Details: | Also see: Is it possible to upgrade the processor in the Aluminum iMac models? |
| System Bus Speed: | 1066 MHz | Cache Bus Speed: | 2.4 GHz (Built-in) |
| ROM/Firmware Type: | EFI | EFI Architecture: | 64-Bit |
| L1 Cache: | 32k/32k | L2/L3 Cache: | 6 MB (on chip) |
| Details: | Includes a 6 MB shared 'on chip' level 2 cache that runs at processor speed. |
| Details: | Supports 800 MHz PC2-6400 DDR2 SDRAM (200-pin SO-DIMM).
Also see: How do you upgrade the RAM in this Aluminum iMac model? How much RAM does it actually support? |
| Details: | By default, 1 GB of RAM was installed as a single SO-DIMM module. One slot free.
*Apple officially supports 4 GB of RAM, but third-parties have been able to upgrade the system to 6 GB of RAM using one 2 GB and one 4 GB SO-DIMM module.
In the US (and many other countries), site sponsor Other World Computing sells memory -- as well as other upgrades -- for this iMac.
In the UK, site sponsor Flexx sells memory and other upgrades for this iMac.
In Germany, site sponsor CompuRAM sells memory and other upgrades for this iMac.
In Canada, site sponsor CanadaRAM sells RAM and other upgrades for this iMac.
In Australia, site sponsor RamCity sells memory and other upgrades for this iMac.
Also see: Actual Max RAM of All G3 & Later Macs. |
| Details: | This model supports two 2 GB modules -- one in each slot for a maximum of 4 GB of memory. |
| Details: | ATI Radeon HD 2400 XT graphics processor -- using PCI Express -- with 128 MB of GDDR3 video memory.
Also see: What type of video processor is provided by the Aluminum iMac systems? Is it upgradable? |
| Built-in Display: | 20.0' Widescreen | Native Resolution: | 1680x1050 |
| Details: | This model has a 20.0' 'glossy' TFT widescreen active matrix display with a native resolution of 1680x1050. Apple also reports a 'typical' brightness of 290 cd/m2, contrast ratio of 800:1, and viewing angle of 160 degrees horizontal and 160 degrees vertical.
Also see: What are the differences between the displays used in the Intel-based 'Aluminum' and 'White' iMac models? What is the viewable angle and the brightness of each? |
| 2nd Display Support: | Dual/Mirroring | 2nd Max. Resolution: | 1920x1200* |
| Details: | Apple reports that this model supports 'digital resolutions up to 1920x1200' and 'analog resolutions up to 2048x1536'. |
| Standard Storage: | 250 GB HDD | Std. Storage Speed: | 7200 RPM |
| Details: | 320 GB and 500 GB Serial ATA hard drives also were available by custom configuration.
Also see: How do you upgrade the hard drive in the Aluminum iMac models? What type of hard drive do they support? Can you swap the hard drive for an SSD?
In the US (and many other countries), site sponsor Other World Computing sells storage upgrades for this iMac.
In the UK, site sponsor Flexx sells storage upgrades for this iMac.
In Canada, site sponsor CanadaRAM sells SSDs and other upgrades for this iMac.
In Australia, site sponsor RamCity sells storage upgrades for this iMac.
In Southeast Asia, site sponsor SimplyMac.sg sells storage upgrades for this iMac.
Also see: SSD Compatibility Guide for All G3 & Later Macs. |
| Storage Dimensions: | 3.5' (26.10 mm) | Storage Interface: | Serial ATA (3 Gb/s) |
| Details: | This model holds a single 3.5' SATA II (3 Gb/s) hard drive or SSD. |
| Standard Optical: | 8X DL 'SuperDrive' | Standard Disk: | None |
| Details: | Apple reports that the slot-loading 8X 'SuperDrive' with 4X double-layer burning (DVD+R DL/DVD±RW/CD-RW) 'writes DVD+R DL discs at up to 4x speed, writes DVD-R and DVD+R discs at up to 8x speed, writes DVD-RW at up to 6x and DVD+RW discs at up to 8x speed, reads DVDs at up to 8x speed, writes CD-R discs at up to 24x speed, writes CD-RW discs at up to 16x speed, [and] reads CDs at up to 24x speed.'
Also see: What are the capabilities of the optical drive provided by the iMac 'Core Duo/Core 2 Duo' models? Which can read and write dual-layer DVDs? |
| Standard Modem: | None | Standard Ethernet: | 10/100/1000Base-T |
| Details: | An external Apple USB Modem was available for US$49. |
| Standard AirPort: | 802.11a/b/g/n | Standard Bluetooth: | 2.1+EDR |
| Details: | AirPort Extreme (802.11a/b/g/n) and Bluetooth 2.1+EDR standard.
Also see: What is 802.11n? How is it different from 802.11b, 802.11g, and 802.11a? |
| Details: | Three USB 2.0 ports, one Firewire '400' port, and one Firewire '800' port (7 watts each). Apple advertises that this system has 'five' USB 2.0 ports, counting three on the system and two on the keyboard. |
| Details: | In the US (and many other countries), site sponsor Other World Computing sells a wide variety of external expansion options and hand-picked accessories like external storage, stands, keyboards, cables, adapters, speakers, and more for this iMac.
In Australia, site sponsor Macfixit offers an extensive selection of external expansion options and accessories like docks, stands, chargers, keyboards, security products, and more for this iMac. |
| Incl. Keyboard: | Apple Aluminum Keyboard | Incl. Input: | Mighty Mouse |
| Details: | This model shipped with an 'ultra-thin aluminum' Apple Keyboard (0.33 inches at the front edge) based on the polarizing keyboard design introduced with the MacBook. It also shipped with an Apple Remote.
Also see: How does the 'ultra thin' keyboard provided with the 'Aluminum' iMac Core 2 Duo models compare to a more traditional desktop keyboard? How does it feel? |
| Case Type: | All-in-One | Form Factor: | iMac Core 2 Duo (Al) |
| Details: | All-in-one 'aluminum and glass' enclosure on an aluminum stand. |
| Apple Order No: | MB323LL/A | Apple Subfamily: | Early 2008 |
| Details: | The Apple order number should be unique to this system.
Apple formally refers to this system as a member of the 'Early 2008' series but users commonly call it 'Penryn' referring to Intel's procesor type. |
| Details: | Please note that these identifiers refer to more than one model.
Also see: All Macs with the A1224 Model Number, the 2210 EMC Number, and the iMac8,1 Model Identifier.
For more about these identifiers and how to locate them on each Mac, please refer to EveryMac.com's Mac Identification section. |
| Pre-Installed MacOS: | X 10.5.2 (9C2028) | Maximum MacOS: | X 10.11.x* |
| Details: | *This system can run the last version of OS X 10.8 'Mountain Lion', OS X 10.9 'Mavericks', OS X 10.10 'Yosemite' and OS X 10.11 'El Capitan' -- if upgraded to at least 2 GB of RAM, including booting in 64-bit mode. However, it does not support OpenCL nor does it support AirDrop, AirPlay Mirroring (which also requires a 2nd Gen or later Apple TV), Power Nap, or other advanced features. It is not capable of running macOS Sierra (10.12) or subsequent versions of the macOS at all.
Please note that OS X 'Lion' 10.7 and subsequent versions of OS X are not capable of running Mac OS X apps originally written for the PowerPC processor as these operating systems do not support the 'Rosetta' environment. To run PowerPC applications on this Mac, it will be necessary to use Mac OS X 10.6 'Snow Leopard' or earlier.
Also see: Which Macs are compatible with OS X El Capitan (10.11)? What are the system requirements? Which Macs support which features? |
| Minimum Windows: | XP SP2 (32-Bit)* | Maximum Windows: | 7 (32-Bit)* |
| Details: | *Apple's Boot Camp 4 formally supports the 32-bit versions of Windows XP SP2, Windows Vista, and Windows 7. However, the system does meet Microsoft's minimum requirements for Windows 8 and readers have reported successfully running the 32-bit version of this operating system with appropriate drivers. |
| MacOS 9 Support: | None | Windows Support: | Boot/Virtualization |
| Details: | Also see: Are there any third-party programs to run Mac OS 9/Classic applications on Intel Macs?
Site sponsor OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications.
For more on running Windows on Intel Macs, please refer to the exhaustive Windows on Mac Q&A. |
| Dimensions: | 18.5 x 19.1 x 7.4 | Avg. Weight: | 20 lbs. (9.1 kg) |
| Details: | In inches - height by width by depth, (46.9 cm, 48.5 cm, 18.9 cm). |
| Original Price (US): | US$1199 | Est. Current Retail: | US$200-US$400 |
| Details: | Please note that on average the estimated current retail pricing of used systems is updated twice a year (please refer to the date on the bottom of the page for the date last updated).
Photo Credit: Apple Computer. |
Click on a category for additional details. The most commonly needed info is 'open' by default, but all info is important. The icons correspond with the icons for each port on the computer.
| Video (Monitor): | 1 (mini-DVI) | Floppy (Ext.): | None |
| Details: | Supports external display in dual display and mirroring modes. VGA output supported by optional Apple DVI-to-VGA adapter (sold separately). |
| Details: | Three USB 2.0 ports, one Firewire '400' port, and one Firewire '800' port (7 watts each). Apple advertises that this system has 'five' USB 2.0 ports, counting three on the system and two on the keyboard. |
| Details: | No internal modem. External Apple USB modem offered for US$49. Gigabit Ethernet, AirPort Extreme (802.11g/n) and Bluetooth 2.1+EDR standard. |
| Details: | S-Video output capable with adapter, sold separately. |
| Details: | One 'audio line in/optical digital audio output (minijack).' |
| Details: | Single shared 'headphone/optical digital audio output'. |
| Details: | 100V-240V, 200W maximum for 20-Inch models, 280W maximum for 24-Inch models. |
Global original prices for the iMac 20-Inch 'Core 2 Duo' 2.4 (Early 2008) in 34 different countries and territories follow; organized alphabetically by region.
For global original prices for Intel Macs in one particular country on a single page, please refer to EveryMac.com's Global Original Prices section.
Original Prices - North & South America
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| Mexico: | N/A | United States: | US$1199 |
Original Prices - Europe
| Denmark: | DKK 7,999 | Finland: | €999 |
| Norway: | NOK 8.790 | Portugal: | €999 |
| Switzerland: | CHF 1'499 | United Kingdom: | £799 |
Original Prices - Asia
| Malaysia: | N/A | The Philippines: | N/A |
Original Prices - Australia & New Zealand
If you have additional original prices for this model, please get in touch. Thank you.
Ten of the most popular Q&As about the iMac 20-Inch models follow.
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