  |  |  |  | |
| Available colors | ||||
| Editiorial reviews | ||||
| User rating |
| Touchscreen | yes | yes | yes | yes |
|---|---|---|---|---|
| Colour | no | N |
|
|
| Screen size | 7.0 in | 6.8 in | 8.0 in | 6.0 in |
| Screen resolution | x 300 px | 1430 x 1080 px | 1440 x 1920 px | 1024 x 758 px |
| Pixel density | 300.0 ppi | 265.0 ppi | N/A | N/A |
| Shades of grey | 16 | 16 | N/A | 16 |
| DPI | 300.0 dpi | 265.0 dpi | N/A | 213.0 dpi |
| Screen technology | N/A | E Ink Carta | E Ink Carta | E Ink Pearl |
| Aspect ratio | N/A | 4:3 | 3:4 | 4:3 |
| Book capacity | 1000 | 3000 | 6000 | 1000 |
|---|---|---|---|---|
| Supported book file formats |
|
|
|
|
| Supported image formats |
|
|
|
|
| Supported video formats | Not supported | Not supported | N/A | Not supported |
| Built-in memory | yes | yes | N/A | yes |
| Memory size |
| 4GB | 8GB | 2GB |
| Memory card reader | no | yes | N/A | yes |
| Compatible memory cards | N/A |
| N/A | microSD |
| Maximum memory card size | N/A | 32 | N/A | 32 |
| Built-in processor | N/A | Y | Y | N/A |
| Processor speed | N/A | 1000.0 MHz | N/A | 1000.0 MHz |
| RAM size | N/A | 512.0 mB | N/A | N/A |
| Colour of product |
| Black | Black |
|
|---|---|---|---|---|
| On/off switch | yes | yes | yes | yes |
| Height | 5.63 in | 0.38 in | 6.3 in | 0.39 in |
|---|---|---|---|---|
| Width | 4.8 in | 7.05 in | 7.0 in | 4.49 in |
| Depth | 0.33 in | 5.08 in | 0.33 in | 6.18 in |
| Weight | 4.62 oz | 8.22 oz | 6.95 oz | 6.53 oz |
| Wi-Fi | yes | yes | yes | yes |
|---|---|---|---|---|
| Wi-Fi standards |
|
|
|
|
| 3G (UMTS) | no | no | N/A | no |
| AC adapter included | no | no | N/A | yes |
| Headphone out | no | N/A | N/A | no |
| Bluetooth | yes | no | no | no |
| USB | yes | yes | N/A | yes |
| USB version | USB 2.0 | USB 2.0 | N/A | USB 2.0 |
| USB type | Micro-USB B | Mini-USB B | Micro-USB | Micro-USB B |
| Total USB ports | 1 | 1 | N/A | 1 |
| USB powered (only mha USB) | yes | yes | N/A | yes |
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