  |  |  |  |  | |
| Available colors |
| Touchscreen | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Colour | N | N/A | N | N/A |
|
| Screen size | 6.0 in | 7.8 in | 7.8 in | 6.0 in | 6.0 in |
| Screen technology | E Ink Pearl | E Ink Carta | E Ink Carta | N/A | E Ink Carta |
| Screen resolution | 1014 x 758 px | 1872 x 1404 px | 1872 x 1404 px | 800 x 600 px | 1072 x 1448 px |
| Shades of grey | 16 | 16 | 16 | 16 | N/A |
| Aspect ratio | 16:9 | 16:9 | N/A | 4:3 | N/A |
| DPI | 211.0 dpi | 300.0 dpi | N/A | N/A | N/A |
| Pixel density | N/A | N/A | N/A | 166.0 ppi | N/A |
| Book capacity | 3000 | 6000 | N/A | N/A | N/A |
|---|---|---|---|---|---|
| Supported book file formats |
|
|
|
|
|
| Supported image formats |
|
|
|
|
|
| Built-in memory | yes | yes | N/A | yes | N/A |
| Memory size | 4GB | 8GB | 8GB | 2GB | 16GB |
| Memory card reader | yes | no | yes | yes | N/A |
| Compatible memory cards |
| Not supported |
|
| Not supported |
| Maximum memory card size | 32 | N/A | 32 | 32GB | N/A |
| Built-in processor | Y | Y | Y | N/A | Y |
| Processor speed | 1000.0 MHz | 1000.0 MHz | 1000.0 MHz | 800.0 MHz | 1000.0 MHz |
| RAM size | 256.0 mB | 512.0 mB | 1000.0 mB | 128.0 mB | 512.0 mB |
| Supported video formats | N/A | N/A | Not supported | N/A | Not supported |
| Colour of product | Black | Black | Black |
|
|
|---|---|---|---|---|---|
| On/off switch | N/A | yes | yes | N/A | N/A |
| Housing material | N/A | N/A | Plastic | N/A | Plastic |
| Height | 5.91 in | 7.68 in | 7.68 in | 6.81 in | 6.35 in |
|---|---|---|---|---|---|
| Width | 4.49 in | 5.45 in | 5.37 in | 4.49 in | 4.25 in |
| Depth | 0.32 in | 0.27 in | 0.31 in | 0.37 in | 0.31 in |
| Weight | 6.14 oz | 8.11 oz | 7.41 oz | 6.88 oz | 5.47 oz |
| Wi-Fi | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Wi-Fi standards |
|
|
| N/A |
|
| 3G (UMTS) | no | no | no | no | N/A |
| AC adapter included | yes | no | N/A | no | N/A |
| Headphone out | no | no | yes | N/A | no |
| Bluetooth | no | no | no | N/A | yes |
| USB | yes | yes | yes | yes | N/A |
| USB version | USB 2.0 | USB 2.0 | USB 3.0 | N/A | N/A |
| USB type | Micro-USB B | Micro-USB | Micro-USB | Micro-USB | Micro-USB |
| Total USB ports | 1 | 1 | N/A | N/A | N/A |
| USB powered (only mha USB) | yes | N/A | N/A | N/A | N/A |
| Battery type | Li-Ion | Li-Ion | Lithium Polymer | Li-polymer | Lithium Polymer |
|---|---|---|---|---|---|
| Battery life | 1440.0 h | N/A | 730.5 h | N/A | N/A |
| Number of batteries required | 1 | 1 | N/A | N/A | N/A |
| Rechargeable battery (enclosed/integrate) | yes | yes | yes | N/A | N/A |
| Battery capacity | N/A | N/A | 1900.0 mAh | N/A | 1500.0 mAh |
| Battery life (page views) | N/A | N/A | N/A | 8000 | N/A |
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