Apple iMac (20-inch, Late 2006) vs Apple iMac G5 (20-inch, iSight)
Better figure, where one is clearly better
| AppleiMac (20-inch, Late 2006) | AppleiMac G5 (20-inch, iSight) | |
|---|---|---|
| Overview | ||
| Released | September 2006 | October 2005 |
| Performance | ||
| Processor | Intel Core 2 Duo T7400 or Intel Core 2 Duo T7600 | IBM PowerPC G5 2.1 GHz (iMac iSight) |
| CPU cores | 2 | 1 |
| Graphics | ATI Radeon X1600 (128 MB GDDR3) or ATI Radeon X1600 (256 MB GDDR3) | ATI Radeon X600 XT (128 MB DDR) |
| Memory | 1 GB, 2 GB or 3 GB (better) | 512 MB, 1 GB, 1.5 GB or 2.5 GB |
| Storage | 250 GB to 500 GB | 250 GB to 500 GB |
| CPU | 2.16 GHz Core 2 Duo T7400, configurable to 2.33 GHz T7600; 4 MB shared L2 cache and 667 MHz system bus. Exact processor identities cross-checked with EveryMac. | 2.1 GHz PowerPC G5 with 512 KB L2 cache and 700 MHz frontside bus; single-core identity cross-checked with exact EveryMac source. Generic maker-clock chip record avoids borrowing uncertain silicon revision or unpublished thread/power figures. |
| GPU | ATI Radeon X1600 with 128 MB GDDR3, configurable to 256 MB with either processor | ATI Radeon X600 XT with 128 MB dedicated DDR video memory; PCI Express. |
| Memory type | Two SO-DIMM slots for PC2-5300 (667 MHz) DDR2 SDRAM; 1 GB standard as two 512 MB modules, configurable to 2 or 3 GB | 533 MHz DDR2; 512 MB built in plus one expansion slot. Maker factory upgrades provide total capacities of 1, 1.5 or 2.5 GB. |
| Storage type | 250 GB 7200 rpm Serial ATA hard drive, configurable to 500 GB; slot-loading 8x SuperDrive with 2.4x double-layer DVD burning. Maker lists processor, memory, storage and graphics upgrades independently. | 250 GB 7200 rpm Serial ATA hard drive, configurable to 500 GB. Slot-loading 8x SuperDrive with 2.4x double-layer DVD writing, 4x DVD rewritable writing and 24x CD writing. |
| Display | ||
| Screen size | 20″ | 20″ |
| Resolution | 1680 × 1050 | 1680 × 1050 |
| Brightness | 280 nits | 280 nits |
| Display type | Widescreen TFT active-matrix LCD, millions of colours; typical contrast 800:1 and 170° horizontal and vertical viewing angles. Panel technology and refresh rate unpublished. | TFT active-matrix LCD with millions of colours; typical contrast 800:1 and viewing angles of 170 degrees horizontal and vertical. Panel technology and refresh rate unpublished. |
| Connections | ||
| Ports | 3 × USB-A, Ethernet, headphone jack | 3 × USB-A, Ethernet, headphone jack |
| Ethernet | 1 Gb/s | 1 Gb/s |
| External displays | Up to 1 | – |
| Wi-Fi | 802.11g; 54 Mbps AirPort Extreme | 802.11g |
| Bluetooth | 2.0 + EDR | 2.0 + EDR |
| Camera | iSight camera | iSight camera |
| Back ports | Three USB 2.0 ports on the computer and two USB 1.1 ports on its keyboard; two FireWire 400 ports sharing 8 W, mini-DVI, Gigabit Ethernet, headphone/optical digital output and line-in/optical digital input | Three USB 2.0 ports on the computer, plus two USB 1.1 ports on the keyboard; two FireWire 400 ports sharing 8 W, Mini-VGA output, Gigabit Ethernet, headphone/optical output and audio line-in. |
| External displays | One external display in extended desktop or mirroring mode; digital resolutions up to 1920 × 1200 and analogue up to 2048 × 1536. DVI, VGA, S-video and composite adapters sold separately. | Optional Mini-VGA adapters provide VGA mirroring or S-video/composite output; no DVI connector or extended-desktop mode is listed. |
| Camera | – | Built-in iSight; exact maker resolution is unpublished and omitted. |
| Speakers | Built-in stereo speakers with internal 12 W digital amplifier and built-in microphone | Built-in stereo speakers and microphone; 12 W digital amplifier. |
| Keyboard and mouse | Apple Keyboard, Mighty Mouse and Apple Remote; optional wireless keyboard and mouse | Apple Keyboard, Mighty Mouse and Apple Remote. |
| Design and power | ||
| Type | All-in-one | All-in-one |
| Weight | – | 10 kg |
| Width × depth × height | 493 × 189 × 472 mm | 493 × 189 × 472 mm |
| Operating system | macOS | macOS |
| Size and weight detail | Maker weight 22 pounds (10 kg), varying by configuration and manufacturing process; shared scalar weight omitted | Maker reference weight; actual weight varies with configuration and manufacturing process. |
| Power supply | Maximum continuous power 180 W; 100–240 V AC, 50–60 Hz single phase | Maximum continuous power 180 W; 100–240 V AC, 50–60 Hz. |
| In the box | iMac, Apple Keyboard, Mighty Mouse, Apple Remote, power cord, install/restore DVDs and documentation; Mac OS X 10.4 Tiger, iLife '06, Front Row, Photo Booth, Microsoft Office 2004 Test Drive and iWork trial | iMac G5, Apple Keyboard, Mighty Mouse, Apple Remote, power cord, install/restore DVDs and documentation; Mac OS X Tiger, iLife ’05, Front Row and Photo Booth. Apple announced availability the week after 12 October 2005; release remains October at month precision. |
More comparisons
- Apple iMac (20-inch, Late 2006) vs Apple iMac 24″ (M4)
- Apple iMac 24″ (M4) vs Apple iMac G5 (20-inch, iSight)
- Apple iMac (20-inch, Late 2006) vs Apple iMac 24″ (M3)
- Apple iMac 24″ (M3) vs Apple iMac G5 (20-inch, iSight)
- Apple iMac 24″ (M1) vs Apple iMac G5 (20-inch, iSight)
- Apple iMac (20-inch, Late 2006) vs Apple iMac 24″ (M1)
- Apple iMac (20-inch, Late 2006) vs Apple iMac (Retina 5K, 27-inch, 2020)
- Apple iMac G5 (20-inch, iSight) vs Apple iMac (Retina 5K, 27-inch, 2020)
- Apple iMac (20-inch, Late 2006) vs Apple iMac (Retina 4K, 21.5-inch, 2019)
- Apple iMac (20-inch, Late 2006) vs Apple iMac (Retina 5K, 27-inch, 2019)
- Apple iMac G5 (20-inch, iSight) vs Apple iMac (Retina 4K, 21.5-inch, 2019)
- Apple iMac G5 (20-inch, iSight) vs Apple iMac (Retina 5K, 27-inch, 2019)
- Apple iMac (20-inch, Late 2006) vs Apple iMac Pro (2017)
- Apple iMac G5 (20-inch, iSight) vs Apple iMac Pro (2017)
- Apple iMac (20-inch, Late 2006) vs Apple iMac (21.5-inch, 2017)
- Apple iMac (21.5-inch, 2017) vs Apple iMac G5 (20-inch, iSight)

