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Editiorial reviews | ||||
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User rating |
Touchscreen | yes | yes | yes | yes |
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Colour | N | N/A |
| Y |
Screen size | 7.8 in | 6.0 in | 6.0 in | 6.0 in |
Screen technology | E Ink Carta | N/A | E Ink Carta | E Ink Carta |
Screen resolution | 1872 x 1404 px | 800 x 600 px | 1072 x 1448 px | 1072 x 1448 px |
Shades of grey | 16 | 16 | N/A | 16 |
Pixel density | N/A | 166.0 ppi | N/A | N/A |
Aspect ratio | N/A | 4:3 | N/A | N/A |
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 |
Memory size | 8GB | 2GB | 16GB | 8GB |
Memory card reader | yes | yes | N/A | N/A |
Compatible memory cards |
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| Not supported | N/A |
Maximum memory card size | 32 | 32GB | N/A | 25 |
Built-in processor | Y | N/A | Y | Y |
Processor speed | 1000.0 MHz | 800.0 MHz | 1000.0 MHz | 1000.0 MHz |
RAM size | 1000.0 mB | 128.0 mB | 512.0 mB | 512.0 mB |
Built-in memory | N/A | yes | N/A | N/A |
Height | 7.68 in | 6.81 in | 6.35 in | 6.16 in |
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Width | 5.37 in | 4.49 in | 4.25 in | 4.34 in |
Depth | 0.31 in | 0.37 in | 0.31 in | 0.33 in |
Weight | 7.41 oz | 6.88 oz | 5.47 oz | 5.86 oz |
Speakers | no | no | N/A | N/A |
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Supported audio formats | MP3 |
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| Not supported |
Audio 3.5mm input | N/A | yes | N/A | N/A |
Audio features | N/A | Text to Speech | N/A | N/A |
Wi-Fi | yes | yes | yes | no |
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Wi-Fi standards |
| N/A |
| N/A |
3G (UMTS) | no | no | N/A | N/A |
Headphone out | yes | N/A | no | no |
Bluetooth | no | N/A | yes | no |
USB | yes | yes | N/A | N/A |
USB version | USB 3.0 | N/A | N/A | N/A |
USB type | Micro-USB | Micro-USB | Micro-USB | Micro-USB |
AC adapter included | N/A | no | N/A | N/A |
Battery capacity | 1900.0 mAh | N/A | 1500.0 mAh | 1200.0 mAh |
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Battery type | Lithium Polymer | Li-polymer | Lithium Polymer | Lithium Polymer |
Battery life | 730.5 h | N/A | N/A | N/A |
Rechargeable battery (enclosed/integrate) | yes | N/A | N/A | N/A |
Battery life (page views) | N/A | 8000 | N/A | N/A |