iMac (Mid 2010)

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Mid 2010 iMacs

Apple has now moved the entire iMac line to Intel’s Core “i” family of CPUs, including the dual-core i3 and i5 as well as the quad-core i7. All CPUs used in the 2010 iMac support Hyper-Threading (on last year’s model, only the i7 versions supported Hyper-Threading). CPU speeds start at 3.06 GHz for dual-core models and 2.8 GHz for quad-core ones, and all but the i3 CPUs support Intel’s Turbo Boost technology, which allows them to run at even higher speeds (making allowance for heat issues).

Apple has also adopted 1333 MHz memory, a step up from 1066 MHz RAM in the previous generation. Except for the base 21.5″ model, Apple offers a faster CPU option at $200 more.

The smaller iMac has the same 1920 x 1080 pixel resolution as 1080i high-def television, and the 27″ provides an incredible 2560 x 1440 pixels. Both sizes are LED backlit, and the 27″ iMac also has Mini DisplayPort input, allowing another computer or video device (DVD or Blu-ray player) that supports DisplayPort to use the iMac’s screen (it’s not compatible with HDMI, DVI, or VGA, although there are now some third-party adapters). The SD Card slot, which is on the right side below the SuperDrive, supports SDXC.

Apple’s wireless keyboard is now standard, as is the Magic Mouse. The new iMac can also be ordered with Apple’s new Magic Trackpad.

4 GB of RAM remains standard across the line, and maximum RAM stands at 16 GB using four 4 GB modules.

The base 21.5″ model has ATI Radeon HD 4670 graphics with 256 MB of dedicated memory. The 3.2 GHz 21.5″ and dual-core 27″ models use Radeon 5670 graphics with 512 MB of video memory, and the quad-core iMacs have Radeon 5750 graphics with 1 GB of video memory.

The Mid 2010 iMacs have 4 USB 2.0 ports, FireWire 800 (but not 400), gigabit ethernet, 802.11n WiFi, Bluetooth 2.1+EDR, an SDXC Card slot, and an 8x SuperDrive.

The entry-level iMac has 4 GB of RAM, a 500 GB hard drive, an 8x SuperDrive, Radeon HD 4670 graphics with 256 MB of dedicated video memory, and Apple’s aluminum keyboard and Magic Mouse. All other models ship with a 1 TB hard drive and even more powerful Radeon graphics (with 512 MB or 1 GB of video memory).

The 2010 iMac shipped with OS X 10.6.4 Snow Leopard and is compatible with OS X 10.9 Mavericks.

Intel-based Macs use a partitioning scheme known as GPT. Only Macintel models can boot from GPT hard drives. Both PowerPC and Intel Macs can boot from APM (Apple’s old partitioning scheme) hard drives, which is the format you must use to create a universal boot drive in Leopard. PowerPC Macs running any version of the Mac OS prior to 10.4.2 cannot mount GPT volumes. PowerPC Macs won’t let you install OS X to a USB drive or choose it as your startup volume, although there is a work around for that.

Details

  • introduced 2010.07.27 at US$1,199 (21.5″ 3.06 GHz i3, Radeon 4670), US$1,499 (21.5″ 3.2 GHz, Radeon 5670), US$1,699 (27″ 3.2 GHz i3, Radeon 5670), and US$1,999 (27″ 2.8 GHz quad-core i5, Radeon 5750); replaced by Mid 2011 iMac on 2011.05.03.
  • Part no.: MC508 (21.5″ 3.06 GHz), MC509 (21.5″ 3.2 GHz), MC510 (27″ dual-core), MC511 (27″ quad-core)
  • ID: iMac11,2 (21.5″), iMac11,3 (27″)

Mac OS

  • Requires Mac OS X 10.6.4 or later
  • Mac OS X 10.6 Snow Leopard compatibility
    • Grand Central Dispatch is supported.
    • 64-bit operation is supported.
    • OpenCL is supported.
  • OS X 10.8 Mountain Lion compatibility
    • AirPlay Mirroring is not supported.
    • AirDrop is supported.
    • Power Nap is not supported.

Core System

  • CPU, 21.5″: 3.06 or 3.2 GHz Intel Core i3, 3.6 GHz i5 option ($200 additional)
  • CPU, 27″: 3.2 GHz Intel Core i3, 3.6 GHz dual-core i5 option ($200 additional); 2.8 GHz quad-core i5; 2.93 GHz quad-core i7 option ($200 option)
  • L2 cache: 4 MB shared cache on CPU (8 MB on quad-core models)
  • Bus: 1333 MHz
  • RAM: 4 GB, expandable to 16 GB using four 1333 MHz DDR3 SDRAM
  • Performance:
    • Speedmark 6.5: 174 (3.06 GHz i3 21.5″), 179 (3.2 GHz i3 21.5″), 177 (3.2 GHz i3 27″), 196 (2.8 GHz i5 27″), 199 (3.6 GHz i5), 225 (2.93 GHz quad-core i7)
    • Geekbench 2, 32-bit: 5585 (3.06 GHz 21.5″ 2-core i3), 5804 (3.2 GHz 21.5″ 2-core i3), 6726 (3.6 GHz 21.5″ 2-core i5), 5815 (3.2 GHz 27″ 2-core i3), 6601 (2.8 GHz 4-core i5), 6784 (3.6 GHz 27″ 2-core i5), 8976 (2.93 GHz 27″ 4-core i7)
    • Geekbench 2, 64-bit: 6264 (3.06 GHz 21.5″ 2-core i3), 6439 (3.2 GHz 21.5″ 2-core i3), 7689 (3.6 GHz 21.5″ 2-core i5), 6545 (3.2 GHz 27″ 2-core i3), 7630 (3.6 GHz 27″ 2-core i5), 7884 (2.8 GHz 4-core i5), 10506 (2.93 GHz 27″ 4-core i7)

Video

  • GPU, 21.5″ 3.06 GHz: ATI Radeon HD 4670 with 256 MB dedicated VRAM
  • GPU, 21.5″ 3.2 GHz: ATI Radeon HD 5670 with 512 MB dedicated VRAM
  • GPU, 27″ dual-core: ATI Radeon HD 5670 with 512 MB dedicated VRAM
  • GPU, 27″ quad-core: ATI Radeon HD 5750 with 1 GB dedicated VRAM
  • Display:
    • 21.5″ 1920 x 1080 LED backlit flat panel display
    • 27″ 2560 x 1440 LED backlit flat panel display
  • Video out: Mini DisplayPort, DVI and VGA with optional adapters

Drives

  • drive bus: 3 Gbps SATA II
  • Hard drive: 500 GB/1 TB 7200 rpm Serial ATA drive, 2 TB option
  • SuperDrive: writes DVD±R, DVD+R, and DVD+RW discs at up to 8x speed, DVD-RW at up to 6x; dual layer at up to 4x; reads DVDs at up to 8x, writes CD-R discs at up to 24x, writes CD-RW discs at up to 16x, reads CDs at up to 24x

Expansion

  • USB: 4 USB 2.0 ports
  • FireWire 400: none
  • FireWire 800: 1 port, 7 Watts
  • Ethernet: 10/100/gigabit
  • WiFi: 802.11n AirPort Extreme built in
  • Bluetooth 2.1: included
  • IR receiver: supports Apple Remote (not included)
  • SD Card: 1 slot, supports SDXC
  • Microphone: internal
  • Modem: No longer offered by Apple

Physical

  • Power supply: 241W (21.5″), 365W (27″)
  • H x W x D (21.5″): 17.75 x 20.8 x 7.42 in/45.1 x 52.8 x 18.85 cm
  • H x W x D (27″): 20.4 x 25.6 x 8.15 in/51.7 x 65.0 x 20.7 cm
  • weight (21.5″): 20.5 lb/9.3 kg
  • weight (27″): 30.5 lb/13.8 kg

CPU Upgrades

  • none

Online Resources

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