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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 | 142px | 120px | 120px | 129px |
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 | 120g / 4.20 oz | 115g / 4.05 oz | 101g / 3.56 oz | |
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 (MB) | 128 | 256 | ||
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 | |
Initial Firmware | 1.1 (3A100a) | 2.1.1 (5F138) 3.1.1 (7C145) ("MC" model) |
3.1.1 (7C145) | 4.1 (8B117) |
Display | 320x480 LCD at 163 ppi | 640x960 LCD at 326 ppi (Retina display) | ||
Built-in speaker | No | Yes | ||
Nike+ Support | No | Yes | ||
Light Sensor | Yes | |||
Bluetooth 2.1 | No | Yes (as of iOS 3.0) | Yes | |
Voice Controls | No | Yes | ||
Camera | No | Yes - Front and Back | ||
FaceTime | No | Yes | ||
Microphone | No | Accessory purchase | Yes; On included headphone cable | Yes |