Apple iMac "Core i5" 2.8 27-Inch (Mid-2010) Specs
Identifiers: Mid-2010 - MC511LL/A - iMac11,3 - A1312 - 2390
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The iMac "Core i5" 2.8 27-Inch Aluminum (Mid-2010) is powered by a Quad Core 2.8 GHz Intel "Core i5" I5-760 (Lynnfield) processor with a dedicated 256k level 2 cache for each core and an 8 MB shared level 3 cache. In lieu of a system bus, it has a "Direct Media Interface" (DMI) that "connects between the processor and chipset" at 2.5 GT/s.
By default, it is configured with 4 GB of RAM (1333 MHz PC3-10600 DDR3 SDRAM), a 1 TB (7200 RPM) hard drive, a vertically-mounted slot-loading DVD±R DL "SuperDrive", and ATI Radeon HD 5750 graphics with 1 GB of dedicated GDDR5 memory.
It also has a built-in iSight video camera and built-in stereo speakers underneath the 27" glossy 16:9 LED-backlit TFT Active Matrix LCD (2560x1440 native) display "with IPS technology".
Connectivity includes four USB 2.0 ports, a Firewire "800" port, built-in AirPort Extreme, and Gigabit Ethernet, as well as an audio capable Mini DisplayPort, which supports an external display up to 30" (2560x1600).
Externally, the "Mid-2010" iMac line uses the same "edge-to-edge" glass design and "seamless all aluminum enclosure" as the "Late 2009" models replaced. Internally, however, the "Mid-2010" line is equipped with faster processors, faster graphics processors, and faster memory, as well as support for the SDXC SD card format.
The "Mid-2010" iMac models include a compact aluminum Apple Wireless Keyboard and a multi-touch "Magic Mouse," but for US$69 could be upgraded to include a multi-touch "Magic Trackpad" that "enables users to scroll smoothly up and down a page with inertial scrolling, pinch to zoom in and out, rotate an image with their fingertips and swipe three fingers to flip through a collection of web pages or photos" just like on Apple notebooks from the same era. An aluminum remote was offered for an additional US$19 as well.
- What are the differences between the "Mid-2010" Aluminum iMac models?
- How do the "Mid-2010" Aluminum iMac models compare to the "Late 2009" models that preceded them?
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- Tech Specs
- Global Original Prices
- Popular Q&As
Click on the category for related details. The most commonly needed info is "open" by default, but all info is important.
||July 27, 2010
||May 3, 2011
||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 2010.
||1 (4 Cores)
|Geekbench 2 (32):
||Geekbench 2 (64):
||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 iMac11,3 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.
|Geekbench 3 (32):
||Geekbench 3 (32):
||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 iMac11,3 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.
|Geekbench 3 (64):
||Geekbench 3 (64):
||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 iMac11,3 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.
||Core i5 (I5-760)
||This model is powered by a 64-bit Intel Core i5 "Lynnfield" processor with quad cores (four independent processor cores on a single silicon chip). Each core has one thread, for a total of four threads for the system, as well as a dedicated 256k level 2 cache. The processor cores share an 8 MB level 3 cache. It also supports "Turbo Boost" -- which "automatically boosts the processor speed based on workload" (so if an application is only using one of the four cores it will automatically increase the speed of the core in use and turn off the unused cores) -- up to 3.33 GHz when needed. However, it does not support Hyper Threading.
Also see: How much faster are the "Mid-2010" Aluminum iMac models than the "Late 2009" models?
|| Custom Speeds:
||2.93 GHz (Core i7)
||This model additionally could be configured with a 2.93 GHz Quad-Core "Core i7" processor (I7-875K) for an extra US$200. This "Core i7" processor supports Hyper-Threading (it has two threads per core for a total of eight threads for the system) and Turbo Boost (the system can dynamically increase the processor clockspeed to 3.6 GHz when tasks demand).
As requested by readers, EveryMac.com also has documented this custom configuration as its own model.
||LGA 1156 (Socket H)*
||*Officially, Apple provides no information about whether or not the processor in this model can be upgraded and the company does not intend for one to upgrade the processor either. However, this processor supports an FCLGA 1156 socket and it is possible to upgrade the processor to some extent.
Also see: Is it possible to upgrade the processor in the Aluminum iMac models?
|System Bus Speed:
||Cache Bus Speed:
||2.8 GHz (Built-in)
||*This system has a "Direct Media Interface" (DMI) that "connects between the processor and chipset" in lieu of a traditional system bus. Intel reports that it runs at 2.5 GT/s.
||256k (x 4), 8 MB
||Each core has its own dedicated 256k level 2 cache and the system has 8 MB of shared level 3 cache.
||Min. RAM Speed:
||Supports 1333 MHz PC3-10600 DDR3 SO-DIMMs (204-pin).
Also see: How do you upgrade the RAM in this Aluminum iMac model? How much RAM does it actually support?
||By default, 4 GB of RAM is installed as two 2 GB SO-DIMM modules. Two slots free.
*Officially, this model supports a maximum of 16 GB of memory. However, third-parties have discovered that it actually will support 32 GB of memory using four 8 GB modules.
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 Australia, site sponsor RamCity sells memory and other upgrades for this iMac.
In Southeast Asia, site sponsor SimplyMac.sg sells memory and other upgrades for this iMac.
Also see: Actual Max RAM of All G3 & Later Macs.
||This model supports four 4 GB modules -- one in each slot for a maximum of 16 GB of memory.
||Radeon HD 5750
||This model has an ATI Radeon HD 5750 graphics processor with 1 GB of dedicated GDDR5 memory.
Also see: What type of video processor is provided by the Aluminum iMac systems? Is it upgradable?
||This model has 1 GB of dedicated GDDR5 video memory.
||27" 16:9 Widescreen
||This model has a 27" glossy LED-backlit 16:9 widescreen TFT active matrix display with "IPS technology" and a native resolution of 2560x1440. Apple also reports a "typical" brightness of 375 cd/m2, and viewing angle of 178 degrees horizontal and 178 degrees vertical. The contrast ratio is 1000:1 and the PPI is 109.
|2nd Display Support:
||2nd Max. Resolution:
||Apple reports that this model simultaneously supports the native resolution of the built-in display and up-to a 30-inch external display (2560x1600).
|Standard Hard Drive:
||1 TB (7200 RPM)
||Int. HD Interface:
||Serial ATA (3 Gb/s)
||Via custom configuration, this model could be equipped with a 2 TB hard drive for an additional US$150, a 256 GB SSD for an additional US$600, a 1 TB hard drive and a 256 GB SSD for an additional US$750 or a 2 TB hard drive and a 256 GB SSD for an additional US$900.
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 Australia, site sponsor RamCity sells storage upgrades for this iMac.
||8X DL "SuperDrive"
||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."
||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?
|| Firewire Ports:
||Four USB 2.0 ports and one Firewire "800" port (7 watts).
||SDXC SD Card
||*As first documented by site sponsor OWC, this iMac has an extra 3 Gb/s Serial ATA connector and power for the optional SSD, but if one is not installed at the time the system is purchased the connector cables and mounting bracket are not present. Nevertheless, it is possible to install a 2.5" SSD in addition to the hard drive if an SSD is not installed initially it's just a bit of a "hack."|
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.
||Apple Wireless Keyboard
||This model shipped with a small aluminum "ultrathin, compact wireless keyboard" (no numeric keypad) and a wireless "Magic Mouse", where the "entire top is a seamless multi-touch surface" that allows one to "navigate using intuitive finger gestures". As an optional US$69 upgrade, this model also could be configured with a "Magic Trackpad" that provides multi-touch input like on a recent Apple notebook.
Also see: How does the "ultra thin" keyboard provided with the "Aluminum" iMac models compare to a more traditional desktop keyboard? How does it feel?
||iMac (Late 2009)
||The external case used by the "Mid-2010" iMac models essentially is identical to the one introduced by the "Late 2009" line with "edge-to-edge glass" for the display and a "seamless all aluminum enclosure."
|Apple Order No:
||The Apple order number should be unique to this system.
|Apple Model No:
||A1312 (EMC 2390)
||Please note that these identifiers often refer to more than one model.
Also see: All Macs with the A1312 Model Number, the 2390 EMC Number, and the iMac11,3 Model Identifier.
For more about these identifiers and how to locate them on each Mac, please refer to EveryMac.com's Mac Identification section.
||X 10.6.3 (10D2322a)
||*This system fully supports the last version of OS X 10.8 "Mountain Lion," OS X 10.9 "Mavericks," and OS X 10.10 "Yosemite" except for Power Nap and AirPlay Mirroring functionality (which also requires an Apple TV 2nd Gen or later). It also supports the last version of OS X 10.11 "El Capitan" -- including Mac-to-Mac AirDrop capability -- but no other advanced features are supported like Metal graphics acceleration. It is capable of running macOS Sierra (10.12) as well, although it does not support the Universal Clipboard, Auto Unlock, or Apple Pay features.
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".
Also see: Which Macs are compatible with macOS Sierra (10.12)? What are the system requirements? Which Macs support which features?
||*Apple's Boot Camp 4 supports the 32-bit version of Windows 7 on this model and Boot Camp 5 supports the 64-bit versions of Windows 7 and Windows 8. Earlier versions of Windows are not supported.
Although Apple does not support Windows 10 via Boot Camp 5 (officially or otherwise), this system meets Microsoft's hardware requirements and it very well may be possible to boot Windows 10 on this Mac. If you have installed Windows 10 on this system (successfully or unsuccessfully), please share the results of your experiment. Thank you.
|MacOS 9 Support:
||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.
||20.4 x 25.6 x 8.15
||30.5 lbs. (13.8 kg)
||In inches - height by width by depth, (51.7 cm, 65.0 cm, 20.7 cm).
|Original Price (US):
||Est. Current Retail:
||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, Inc.
Global original prices for the iMac "Core i5" 2.8 27-Inch (Mid-2010) 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
Original Prices - Europe
Original Prices - Asia
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 models follow.
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