  |  |  |  |  |
| Touchscreen | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Colour | N | N/A |
| Y | N |
| Screen size | 6.0 in | 6.0 in | 6.0 in | 6.0 in | 6.0 in |
| Screen technology | E Ink Pearl | N/A | E Ink Carta | E Ink Carta | E Ink Carta |
| Screen resolution | 600 x 800 px | 800 x 600 px | 758 x 1024 px | 1072 x 1448 px | 1448 x 1072 px |
| Pixel density | 166.0 ppi | 166.0 ppi | N/A | N/A | N/A |
| Shades of grey | 16 | 16 | 16 | 16 | N/A |
| Aspect ratio | 3:4 | 4:3 | N/A | N/A | 4:3 |
| DPI | N/A | N/A | N/A | N/A | 300.0 dpi |
| Supported book file formats |
|
|
|
|
|
|---|---|---|---|---|---|
| Supported image formats |
|
|
| N/A | N/A |
| Supported video formats | Not supported | N/A | Not supported | Not supported | N/A |
| Memory size | 4GB | 2GB | 8GB | 8GB | 8GB |
| Memory card reader | no | yes | N/A | N/A | no |
| Compatible memory cards | microSD |
| microSD | N/A | N/A |
| Maximum memory card size | 32 | 32GB | 32 | 25 | N/A |
| Processor speed | 1000.0 MHz | 800.0 MHz | 1000.0 MHz | 1000.0 MHz | 1000.0 MHz |
| RAM size | 256.0 mB | 128.0 mB | 512.0 mB | 512.0 mB | 512.0 mB |
| Built-in memory | N/A | yes | N/A | N/A | yes |
| Built-in processor | N/A | N/A | Y | Y | Y |
| Height | 0.35 in | 6.81 in | 6.35 in | 6.16 in | 6.42 in |
|---|---|---|---|---|---|
| Width | 4.51 in | 4.49 in | 4.25 in | 4.34 in | 4.49 in |
| Depth | 6.87 in | 0.37 in | 0.31 in | 0.33 in | 0.32 in |
| Weight | 6.0 oz | 6.88 oz | 5.47 oz | 5.86 oz | 6.17 oz |
| Wi-Fi | yes | yes | yes | no | yes |
|---|---|---|---|---|---|
| Wi-Fi standards |
| N/A |
| N/A |
|
| Headphone out | no | N/A | no | no | N/A |
| Bluetooth | no | N/A | N/A | no | no |
| USB | yes | yes | N/A | N/A | yes |
| USB version | USB 2.0 | N/A | N/A | N/A | USB 2.0 |
| USB type | Micro-USB A | Micro-USB | Micro-USB | Micro-USB | Micro-USB |
| 3G (UMTS) | N/A | no | N/A | N/A | no |
| AC adapter included | N/A | no | N/A | N/A | no |
| Total USB ports | N/A | N/A | N/A | N/A | 1 |
| USB powered (only mha USB) | N/A | N/A | N/A | N/A | yes |
| Battery capacity | 1300.0 mAh | N/A | 1500.0 mAh | 1200.0 mAh | 1500.0 mAh |
|---|---|---|---|---|---|
| Battery type | Lithium-Ion | Li-polymer | Lithium Polymer | Lithium Polymer | Lithium Polymer |
| Battery life | 720.0 h | N/A | N/A | N/A | N/A |
| Battery life (page views) | 8000 | 8000 | N/A | N/A | N/A |
| Battery voltage | 3.7 V | N/A | N/A | N/A | N/A |
| Rechargeable battery (enclosed/integrate) | N/A | N/A | N/A | N/A | yes |
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