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Editiorial reviews | ||||
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User rating |
Touchscreen | yes | yes | yes | yes |
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Colour | N |
| N | Y |
Screen size | 6.0 in | 6.0 in | 6.0 in | 6.0 in |
Screen technology | E Ink | E Ink Carta | E Ink | E Ink Carta |
Screen resolution | 800 x 600 px | 758 x 1024 px | 1024 x 758 px | 1072 x 1448 px |
Pixel density | 166.0 ppi | N/A | N/A | N/A |
Shades of grey | 16 | 16 | 16 | 16 |
Supported book file formats |
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Supported image formats |
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| N/A | N/A |
Memory size | 4GB | 8GB | 2GB | 8GB |
Compatible memory cards | microSD | microSD |
| N/A |
Maximum memory card size | 32 | 32 | 32 | 25 |
RAM size | 512.0 mB | 512.0 mB | 256.0 mB | 512.0 mB |
Supported video formats | N/A | Not supported | Not supported | Not supported |
Built-in processor | N/A | Y | Y | Y |
Processor speed | N/A | 1000.0 MHz | 800.0 MHz | 1000.0 MHz |
Book capacity | N/A | N/A | 2000 | N/A |
Height | 0.33 in | 6.35 in | 6.89 in | 6.16 in |
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Width | 6.87 in | 4.25 in | 4.57 in | 4.34 in |
Depth | 4.51 in | 0.31 in | 0.36 in | 0.33 in |
Weight | 6.74 oz | 5.47 oz | 6.46 oz | 5.86 oz |
Supported audio formats | Not supported | Not supported | Not supported | Not supported |
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Speakers | N/A | no | no | N/A |
Wi-Fi | yes | yes | yes | no |
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Wi-Fi standards |
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| N/A |
Bluetooth | no | N/A | no | no |
USB version | USB 2.0 | N/A | USB 2.0 | N/A |
USB type | Micro-USB B | Micro-USB | Micro-USB A | Micro-USB |
Headphone out | N/A | no | no | no |
Battery capacity | 1300.0 mAh | 1500.0 mAh | 1500.0 mAh | 1200.0 mAh |
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Battery type | Lithium-Ion | Lithium Polymer | Lithium Polymer | Lithium Polymer |
Battery voltage | 3.7 V | N/A | N/A | N/A |
Battery life | N/A | N/A | 1176.0 h | N/A |