  |  |  |  |  | |
| Available colors |
| Touchscreen | yes | yes | yes | no | no |
|---|---|---|---|---|---|
| Colour | no | N/A | no | N | N |
| Screen size | 6.0 in | 6.0 in | 6.0 in | 6.0 in | 5.0 in |
| Screen resolution | 600 x 800 px | 800 x 600 px | 1440 x 1080 px | 768 x 1024 px | 800 x 600 px |
| Shades of grey | 16 | 16 | 16 | 16 | 16 |
| DPI | 167.0 dpi | 167.0 dpi | 300.0 dpi | N/A | N/A |
| Screen technology | N/A | N/A | LED | E Ink | E Ink |
| Pixel density | N/A | N/A | 300.0 ppi | N/A | N/A |
| Supported book file formats |
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|---|---|---|---|---|---|
| Supported image formats |
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| Supported video formats | Not supported | N/A | Not supported | Not supported | Not supported |
| Built-in memory | yes | yes | yes | N/A | N/A |
| Memory size | 4GB | 4GB |
| 2GB | 512MB |
| Memory card reader | no | no | no | N/A | N/A |
| Compatible memory cards | Not supported | N/A | N/A |
| microSD |
| Book capacity | N/A | N/A | 3000 | N/A | N/A |
| RAM size | N/A | N/A | 1024.0 mB | N/A | 64.0 mB |
| Maximum memory card size | N/A | N/A | N/A | 32 | 32 |
| Built-in processor | N/A | N/A | N/A | N/A | Samsung S3C2440 |
| Processor speed | N/A | N/A | N/A | N/A | 400.0 MHz |
| Colour of product | Black |
| Black | White | Black |
|---|---|---|---|---|---|
| On/off switch | N/A | N/A | yes | N/A | N/A |
| Height | 6.65 in | 6.3 in | 0.3 in | 7.5 in | 4.85 in |
|---|---|---|---|---|---|
| Width | 4.69 in | 4.53 in | 4.53 in | 5.02 in | 5.76 in |
| Depth | 6.65 in | 0.36 in | 6.38 in | 0.37 in | 0.54 in |
| Weight | 6.74 oz | 5.68 oz | 6.63 oz | 7.3 oz | 6.35 oz |
| Wi-Fi | yes | yes | yes | no | no |
|---|---|---|---|---|---|
| Wi-Fi standards |
| N/A |
| N/A | N/A |
| 3G (UMTS) | no | no | no | N/A | N/A |
| AC adapter included | no | no | no | N/A | N/A |
| Headphone out | no | N/A | no | no | no |
| Bluetooth | no | N/A | no | no | no |
| USB | yes | yes | yes | N/A | N/A |
| USB version | USB 2.0 | N/A | USB 2.0 | USB 2.0 | USB 2.0 |
| USB type | Micro-USB B | N/A | Micro-USB | Micro-USB B | Mini-USB A |
| Total USB ports | 1 | 1 | 1 | N/A | N/A |
| USB powered (only mha USB) | yes | yes | yes | N/A | N/A |
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