  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Touchscreen | yes | yes | yes | yes |
|---|---|---|---|---|
| Colour | no | N | N | N |
| Screen size | 7.0 in | 6.0 in | 6.8 in | 6.0 in |
| Screen resolution | x 300 px | 1014 x 758 px | 1430 x 1080 px | 1024 x 758 px |
| Pixel density | 300.0 ppi | N/A | 265.0 ppi | N/A |
| Shades of grey | 16 | 16 | 16 | 16 |
| DPI | 300.0 dpi | 211.0 dpi | 265.0 dpi | N/A |
| Screen technology | N/A | E Ink Pearl | E Ink Carta | E Ink |
| Aspect ratio | N/A | 16:9 | 4:3 | N/A |
| Book capacity | 1000 | 3000 | 3000 | 2000 |
|---|---|---|---|---|
| Supported book file formats |
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| Supported image formats |
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| N/A |
| Supported video formats | Not supported | N/A | Not supported | Not supported |
| Built-in memory | yes | yes | yes | N/A |
| Memory size |
| 4GB | 4GB | 4GB |
| Memory card reader | no | yes | yes | N/A |
| Compatible memory cards | N/A |
|
|
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| Maximum memory card size | N/A | 32 | 32 | 32 |
| Built-in processor | N/A | Y | Y | Y |
| Processor speed | N/A | 1000.0 MHz | 1000.0 MHz | 1000.0 MHz |
| RAM size | N/A | 256.0 mB | 512.0 mB | 512.0 mB |
| Height | 5.63 in | 5.91 in | 0.38 in | 6.42 in |
|---|---|---|---|---|
| Width | 4.8 in | 4.49 in | 7.05 in | 4.49 in |
| Depth | 0.33 in | 0.32 in | 5.08 in | 0.32 in |
| Weight | 4.62 oz | 6.14 oz | 8.22 oz | 6.28 oz |
| Speakers | no | no | no | no |
|---|---|---|---|---|
| Audio 3.5mm input | no | no | no | N/A |
| Supported audio formats | AAX | N/A | Not supported | Not supported |
| Menu languages | Multi |
| N/A | ENG |
|---|---|---|---|---|
| Operating system | Proprietary OS | Proprietary OS | Proprietary OS | N/A |
| Input method | Multi-touch | Multi-touch | Multi-touch | N/A |
| Qwerty keyboard (buttons) | no | no | no | N/A |
| Rotating | yes | N/A | N/A | N/A |
| Adjustable text | yes | yes | yes | N/A |
| Amazon whispersync | yes | N/A | N/A | N/A |
| Built-In dictionary | yes | yes | yes | yes |
| Digital library access | yes | N/A | yes | N/A |
| Lighting | yes | yes | yes | N/A |
| Word translation | yes | N/A | yes | N/A |
| Qwerty keyboard (screen) | N/A | yes | yes | N/A |
| Web browsing | N/A | yes | yes | N/A |
| MP3 Player | N/A | N/A | N/A | no |
| Wi-Fi | yes | yes | yes | yes |
|---|---|---|---|---|
| Wi-Fi standards |
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|
|
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| 3G (UMTS) | no | no | no | N/A |
| AC adapter included | no | yes | no | N/A |
| Headphone out | no | no | N/A | no |
| Bluetooth | yes | no | no | no |
| USB | yes | yes | yes | N/A |
| USB version | USB 2.0 | USB 2.0 | USB 2.0 | USB 2.0 |
| USB type | Micro-USB B | Micro-USB B | Mini-USB B |
|
| Total USB ports | 1 | 1 | 1 | N/A |
| USB powered (only mha USB) | yes | yes | yes | N/A |
| Battery type | Lithium Polymer | Li-Ion | Li-Ion | Lithium Polymer |
|---|---|---|---|---|
| Battery life | 3.5 h | 1440.0 h | 30.0 h | 1176.0 h |
| Battery charge time | 4.0 h | N/A | N/A | N/A |
| Number of batteries required | 1 | 1 | 1 | N/A |
| Rechargeable battery (enclosed/integrate) | yes | yes | yes | N/A |
| Battery life (page views) | N/A | N/A | 1,400 | N/A |
| Battery capacity | N/A | N/A | N/A | 1500.0 mAh |
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