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list of iPod touches
There are currently four generations of the iPod touch. A comparison of them is below:
| Feature | iPod touch 1G | iPod touch 2G | iPod touch 3G | iPod touch 4G |
|---|---|---|---|---|
| Picture | 150px | 150px | 150px | 145px |
| Dimensions (mm) | 110.0 x 61.8 x 8.0 | 110.0 x 61.8 x 8.5 | 111.0 x 58.9 x 7.2 | |
| Dimensions (in.) | 4.3 x 2.4 x 0.31 | 4.3 x 2.4 x 0.33 | 4.4 x 2.3 x 0.28 | |
| Weight (oz.) | 4.20 | 4.05 | 3.56 | |
| Capacity (GB) | 8/16/32 | 32/64 | 8/32/64 | |
| Processor Speed (MHz) | 400 (iOS 1.1 and 1.1.1) 412 (iOS 1.1.2 and later) |
533 | 620 | 1024 |
| RAM | 128 Template:Wp Template:Wp | 256 Template:Wp Template:Wp | ||
| Template:Wp | Template:Wp Template:Wp/Template:Wp | Template:Wp Template:Wp/Template:Wp/Template:Wp (2.4 GHz only) | ||
| Buttons | sleep, home | sleep, home, volume up/down | ||
| Battery Life (Music, hours) | 22 | 36 30 ("MC" model) |
30 | 40 |
| Battery Life (Video, hours) | 5 | 6 | 7 | |
| Internal name | iPod1,1 | iPod2,1 | iPod3,1 | iPod4,1 |
| Initial Firmware | 1.1 (3A100a) |
|
3.1.1 (7C145) | 4.1 (8B117) |
| Latest (publicly available) Firmware | 3.1.3 (7E18) | 4.2.1 (8C148) | 5.0 (9A334) | 5.0 (9A334) |
| Latest Firmware | 3.1.3 (7E18) | 4.2.1 (8C148) | 5.0 (9A334) | 5.0 (9A334) |
| Display | 320x480 LCD at 163 ppi | 640x960 LCD at 326 ppi | ||
| Built-in speaker | No | Yes | ||
| Nike+ Support | No | Yes | ||
| Task Switcher | No | As of iOS 4.0 | Yes | |
| Bluetooth 2.1 | No | As of iOS 3.0 | Yes | |
| Voice Controls | No | Yes | ||
| Camera | No | Front and back | ||
| FaceTime | No | Yes | ||
| Microphone | No | Accessory purchase | Included headphone cable | Yes |
