iMac G5 20-inch Mid 2005 Datasheet

iMac G5 and iSight
Source: apple.com – iMac G5 and iSight

In the ever-evolving landscape of technology, certain devices stand out as pioneers, marking significant milestones in the journey of innovation. One such groundbreaking creation was the iMac G5 20-inch Mid 2005, a marvel unveiled by Apple in 2005.

The iMac G5 20-inch Mid 2005 captivated the world with its sleek design and powerhouse performance. Apple’s commitment to elegance and functionality was evident in every aspect of this desktop. With a razor-thin display housing the entire computer, including the power supply and optical drive, it redefined the concept of minimalist design.

Powered by a robust 2 GHz PowerPC G5 processor and boasting 512 MB of RAM, this machine was a force to be reckoned with in terms of performance. The inclusion of a 20-inch LCD TFT display with resolutions of 1680-by-1050 pixels ensured stunning visuals and immersive user experiences, setting a new standard for desktop computing.

The iMac G5 20-inch Mid 2005 wasn’t just about raw power; it also prioritized connectivity and multimedia capabilities. Equipped with built-in AirPort Extreme and Bluetooth wireless connectivity, users enjoyed seamless networking and device pairing, reducing cable clutter and enhancing convenience.

Furthermore, the inclusion of an 8X SuperDrive with double-layer support allowed users to create and enjoy high-quality multimedia content effortlessly. Coupled with the ATI Radeon 9600 graphics processor and dedicated video memory, the iMac G5 delivered exceptional graphics performance, catering to both creative professionals and avid gamers alike.

iMac G5 17-inch and 20-inch
Source: apple.com – iMac G5 17-inch and 20-inch

At its core, the iMac G5 20-inch Mid 2005 ran on Mac OS X 10.4 Tiger, the latest iteration of Apple’s renowned operating system. Tiger introduced a plethora of new features and innovations, including Spotlight—a revolutionary desktop search technology—and Dashboard, which provided instant access to essential information via widgets.

Complementing the robust hardware, the iMac G5 came bundled with iLife ’05, a suite of digital lifestyle applications encompassing photo editing, movie creation, music composition, and more. This integration of hardware and software empowered users to explore their creativity and productivity seamlessly, further enhancing the overall user experience.

Though the iMac G5 20-inch Mid 2005 had a relatively short lifespan before being succeeded by newer models, its impact on the technology landscape was profound. It represented a convergence of design, performance, and innovation, setting a benchmark for future iterations of the iMac lineup.

Even today, 19 years later as a relic from the past, the iMac G5 20-inch Mid 2005 holds a special place in the hearts of technology enthusiasts and Apple aficionados. Its legacy serves as a reminder of Apple’s relentless pursuit of excellence and its ability to push the boundaries of what’s possible in the world of computing.

In retrospect, the iMac G5 20-inch Mid 2005 was more than just a desktop computer; it was a symbol of innovation and ingenuity. Its sleek design, powerful performance, and seamless integration of hardware and software made it a trailblazer in the realm of personal computing. While it may have been overshadowed by newer models over the years, its impact continues to resonate, reminding us of the transformative power of technology.

iMac G5
Source: apple.com – iMac G5

iMac G5 20-inch Mid 2005 Details

IntroducedMay 3, 2005 – 19 years ago
DiscontinuedOctober 12, 2005 – 18 years ago
Time on the Market162 days (5 months)
Model IdentifierPowerMac8,2
Model NumberA1076
Order NumberM9845LL/A
Original Price$1,799
Weight25.2 Ibs.
11.430 KG
Dimensions18.6” H x 19.4” W x 7.4” D
47.24 cm H x 49.27 cm W x 18.79 cm D

iMac G5 Tech Specs


ProcessorPowerPC 970fx G5
Processor Speed2 GHz
Number of Cores1
System Bus667 MHz
Cache64 / 32 KB L1
512 KB backside L2

Storage & Media

Storage250 GB
400 GB
Media1 – 4x DVD-R/CD-RW “SuperDrive” slot-loading


Built-in Memory512 MB
Maximum Memory2 GB
Memory Slots2 – PC-3200 183-pin DDR SO-DIMM 400 MHz
Interleaving SupportYes


Built-in Display20″ TFT LCD Display
Brightness230 cd/m²
Resolutions640 x 480
800 x 500
800 x 600
840 x 524
1024 x 640
1024 x 768
1280 x 800
1344 x 840
1680 x 1050


Graphics CardATI Radeon 9600
Graphics Memory128 MB
Display Connection1 – Mini-VGA (Composite and S-video with adapter)
Display ModesVideo mirroring only
External ResolutionN/A


Expansion SlotsNone
Optical Drive InterfaceUltra ATA/133
Hard Drive Interface1.5 Gbps Serial ATA (SATA)


Ethernet10/100BASE-T (RJ-45)
Wi-FiAirPort Extreme Card 802.11b/g
BluetoothBluetooth 2.0 + EDR
USB3 – 480 Mbps (USB 2.0)
FireWire2 – 400 Mbps
Audio In1 – 3.5-mm analog input jack
1 – Built-in microphone
Audio Out1 – 3.5-mm analog/optical combo jack
2 – Built-in speakers
Display1 – Mini-VGA (Composite and S-video with adapter)

Keyboard and Mouse

PeripheralsApple Keyboard
Apple Mouse


Original OSMac OS X 10.4
Maximum OSMac OS X 10.5.8
FirmwareMac OS ROM
Bundled SoftwareMac OS X 10.4
iMovie 2
iTunes 2
iDVD 2
DVD Player
Mac OS X Mail
Microsoft Internet Explorer
EarthLink (includes 30 days of free service)
Quicken 2002 Deluxe
World Book Mac OS X Edition
Mac OS X Chess
Otto Matic
Deimos Rising
Acrobat Reader
Apple Hardware Test CD


Backup Battery3 V CR2032 Lithium
Maximum Continuous Power180 W
Line Voltage100-120 V AC or 100-240 V AC

Do you like this article?

Let’s go social and follow us on X, Facebook, Instagram, or Threads, to stay updated.

Further Reading and References

Disclaimer: The data presented in this article is under continuous development and has been manually collected from various sources based on their availability. The author of this article may revise this dataset as additional research is conducted and reviewed. Please note that the information is provided “as is” and “as available” without express or implied warranties. The author cannot be held responsible for any omissions, inaccuracies, or errors in the published information. Any warranties relating to this information are hereby disclaimed.