  |  |  | |
| Available colors | |||
| User rating |
| Touchscreen | no | no | yes |
|---|---|---|---|
| Screen size | 7.0 in | 5.0 in | 9.7 in |
| Screen technology | TFT | E Ink | E Ink VizPlex |
| Screen resolution | 800 x 480 px | 800 x 600 px | 1200 x 825 px |
| Colour | N/A | N |
|
| Shades of grey | N/A | 16 | 16 |
| Pixel density | N/A | N/A | 155.0 ppi |
| Supported book file formats |
|
|
|
|---|---|---|---|
| Supported image formats |
|
|
|
| Supported video formats |
| Not supported | Not supported |
| Memory size | 4GB | 512MB | 2GB |
| Compatible memory cards | Secure Digital | microSD | microSD |
| Maximum memory card size | 32 | 32 | 32 |
| Built-in processor | N/A | Samsung S3C2440 | Samsung |
| Processor speed | N/A | 400.0 MHz | 533.0 MHz |
| RAM size | N/A | 64.0 mB | 256.0 mB |
| Colour of product | Black | Black |
|
|---|---|---|---|
| Housing material | N/A | N/A |
|
| Height | 8.15 in | 4.85 in | 0.43 in |
|---|---|---|---|
| Width | 5.35 in | 5.76 in | 10.35 in |
| Depth | 0.51 in | 0.54 in | 7.49 in |
| Weight | 11.64 oz | 6.35 oz | 19.93 oz |
| Speakers | yes | N/A | yes |
|---|---|---|---|
| Supported audio formats |
| Not supported | MP3 |
| Audio 3.5mm input | N/A | N/A | yes |
| Audio features | N/A | N/A | Text to Speech |
| USB version | USB 2.0 | USB 2.0 | USB 2.0 |
|---|---|---|---|
| Wi-Fi | N/A | no | yes |
| Headphone out | N/A | no | yes |
| Bluetooth | N/A | no | yes |
| USB type | N/A | Mini-USB A | Micro-USB A |
| Wi-Fi standards | N/A | N/A |
|
| Battery capacity | 2400.0 mAh | 1000.0 mAh | 1530.0 mAh |
|---|---|---|---|
| Battery type | Lithium Polymer | Lithium Polymer | Lithium-Ion |
| Battery life | 10.0 h | 720.0 h | N/A |
| Battery life (page views) | N/A | 8000 | 7000 |
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