  |  |  | |
| Available colors | |||
| Editiorial reviews | |||
| User rating |
| Touchscreen | yes | yes | yes |
|---|---|---|---|
| Colour | N | N | N |
| Screen size | 6.8 in | 7.0 in | 7.8 in |
| Screen technology | E Ink Carta | E Ink Carta | E Ink Carta |
| Screen resolution | 1430 x 1080 px | 1680 x 1264 px | 1872 x 1404 px |
| Pixel density | 265.0 ppi | N/A | N/A |
| Shades of grey | 16 | N/A | N/A |
| Aspect ratio | 4:3 | 4:3 | N/A |
| DPI | 265.0 dpi | N/A | N/A |
| Book capacity | 3000 | N/A | N/A |
|---|---|---|---|
| Supported book file formats |
|
|
|
| Supported image formats |
|
|
|
| Supported video formats | Not supported | N/A | Not supported |
| Built-in memory | yes | N/A | N/A |
| Memory size | 4GB | 8GB | 16GB |
| Memory card reader | yes | N/A | N/A |
| Compatible memory cards |
| Not supported | N/A |
| Maximum memory card size | 32 | N/A | N/A |
| Built-in processor | Y | N/A | Y |
| Processor speed | 1000.0 MHz | N/A | N/A |
| RAM size | 512.0 mB | 512.0 mB | 1024.0 mB |
| Colour of product | Black | White | Black |
|---|---|---|---|
| On/off switch | yes | yes | N/A |
| Housing material | N/A | N/A | Plastic |
| Height | 0.38 in | 6.26 in | 7.68 in |
|---|---|---|---|
| Width | 7.05 in | 5.67 in | 5.37 in |
| Depth | 5.08 in | 0.31 in | 0.31 in |
| Weight | 8.22 oz | 6.77 oz | 7.94 oz |
| Wi-Fi | yes | yes | yes |
|---|---|---|---|
| Wi-Fi standards |
| N/A |
|
| 3G (UMTS) | no | N/A | N/A |
| AC adapter included | no | N/A | N/A |
| Bluetooth | no | no | yes |
| USB | yes | N/A | N/A |
| USB version | USB 2.0 | N/A | N/A |
| USB type | Mini-USB B | Micro-USB | Micro-USB |
| Total USB ports | 1 | N/A | N/A |
| USB powered (only mha USB) | yes | N/A | N/A |
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