Original iMac G5 20-inch Datasheet

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

In the ever-evolving landscape of technology, certain milestones stand out as defining moments, shaping the course of innovation. One such landmark was the introduction of the Apple iMac G5 20-inch. Released in 2004, this all-in-one desktop computer revolutionized the industry with its groundbreaking design and powerful performance.

On August 31, 2004, Apple unveiled the Original iMac G5 20-inch to the world, marking a significant leap forward in desktop computing. Boasting the high-performance PowerPC G5 processor, this sleek machine integrated the entire computer into a stunning flat-panel display, making it the thinnest desktop computer at the time, with a depth of just two inches. Priced starting at $1,899, it offered both style and substance to consumers.

Philip Schiller, Apple’s senior vice president of Worldwide Product Marketing, aptly summarized the sentiment surrounding the iMac G5, likening it to the iPod’s impact on portable music players. Its minimalist design, with all components neatly tucked behind the display, represented a paradigm shift in consumer desktops, prompting many to wonder, “Where did the computer go?”

At its core, the iMac G5 20-inch was a powerhouse, catering to the demands of digital lifestyles. With a 1.8 GHz PowerPC G5 processor and up to 2 GB of DDR memory, it delivered blazing-fast performance, ideal for tasks ranging from multimedia editing to gaming. The inclusion of high-performance NVIDIA graphics ensured smooth visuals and immersive gameplay, setting a new standard for desktop computing.

Furthermore, the iMac G5 was tailor-made for Apple’s iLife ’04 suite, a collection of digital lifestyle applications that transformed the way users interacted with their media. From managing music libraries with iTunes to creating professional-grade movies with iMovie, the iMac G5 empowered users to unleash their creativity like never before.

Beyond its impressive specs, the iMac G5 dazzled with its elegant design and thoughtful features. The all-in-one form factor eliminated cable clutter, with I/O ports conveniently positioned for easy access. Its whisper-quiet operation and compact footprint made it a seamless fit for any home or office environment, blending effortlessly into its surroundings.

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

Additionally, the inclusion of advanced connectivity options such as USB 2.0 and FireWire 400 ports ensured seamless integration with a myriad of peripherals, including Apple’s own iPod digital music player and digital cameras. With optional wireless modules, users could enjoy the freedom of untethered networking, further enhancing the iMac G5’s versatility.

Despite its enduring popularity, the iMac G5 20-inch was eventually discontinued on May 3, 2005, making way for newer iterations. While subsequent models offered improvements in performance and features, many still fondly recall the original iMac G5 for its iconic design and groundbreaking innovation. Its legacy lives on as a testament to Apple’s commitment to pushing the boundaries of technology.

In retrospect, the Apple iMac G5 20-inch remains a symbol of innovation and design excellence. Its sleek form factor, powerful performance, and seamless integration of hardware and software set a new benchmark for desktop computing. While it may have been succeeded by newer models, its impact continues to resonate within the tech community, serving as a reminder of Apple’s enduring legacy of innovation.

As we look back on the iMac G5 20-inch, we’re reminded not only of its technical prowess but also of the excitement and anticipation it stirred upon its release 19 years ago. It was more than just a computer; it was a symbol of possibility, inspiring creativity and pushing the boundaries of what was thought possible in desktop computing. And for that, it will always hold a special place in the annals of technological history.

iMac G5
Source: apple.com – iMac G5

Original iMac G5 20-inch Details

IntroducedAugust 31, 2004 – 19 years ago
DiscontinuedMay 3, 2005 – 19 years ago
Time on the Market245 days (8 months)
Model IdentifierPowerMac8,1
Model NumberA1076
Order NumberM9250LL/A
Original Price$1,899
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 Speed1.8 GHz
Number of Cores1
System Bus600 MHz
Cache64 / 32 KB L1
512 KB backside L2
CoprocessorBuilt-in FPU

Storage & Media

Storage80 GB
160 GB
250 GB
Media1 – 4x DVD-R/CD-RW “SuperDrive” slot-loading


Built-in Memory256 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 CardNVIDIA GeForce FX 5200 Ultra
Graphics Memory64 MB
Display Connection1 – Mini-VGA (Composite and S-video with adapter)
Display ModesVideo mirroring only
External Resolution640 x 480 at 60Hz
800 x 600 at 75Hz
1024 x 768 at 75Hz


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 (Optional)
BluetoothBluetooth 1.1 (Optional)
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 10.3.5
Maximum OSMac OS X 10.5.8
FirmwareMac OS ROM
Bundled SoftwareMac OS X 10.3
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

iMac G5 Introduction Video

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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.