  |  |  |  |  |
| Touchscreen | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Screen size | 6.0 in | 6.0 in | 6.0 in | 6.0 in | 6.0 in |
| Screen resolution | 1024 x 768 px | x 300 px | 800 x 600 px | 1072 x 1448 px | 1448 x 1072 px |
| DPI | 212.0 dpi | 300.0 dpi | N/A | N/A | 300.0 dpi |
| Colour | N/A |
| N/A | Y | N |
| Screen technology | N/A | E Ink Carta | N/A | E Ink Carta | E Ink Carta |
| Pixel density | N/A | N/A | 166.0 ppi | N/A | N/A |
| Shades of grey | N/A | N/A | 16 | 16 | N/A |
| Aspect ratio | N/A | N/A | 4:3 | N/A | 4:3 |
| Supported book file formats |
|
|
|
|
|
|---|---|---|---|---|---|
| Supported image formats |
|
|
| N/A | N/A |
| Built-in memory | yes | yes | yes | N/A | yes |
| Memory card reader | no | yes | yes | N/A | no |
| Book capacity | N/A | 6000 | N/A | N/A | N/A |
| Memory size | N/A | 8GB | 2GB | 8GB | 8GB |
| Compatible memory cards | N/A | microSD |
| N/A | N/A |
| Maximum memory card size | N/A | N/A | 32GB | 25 | N/A |
| Processor speed | N/A | N/A | 800.0 MHz | 1000.0 MHz | 1000.0 MHz |
| RAM size | N/A | N/A | 128.0 mB | 512.0 mB | 512.0 mB |
| Supported video formats | N/A | N/A | N/A | Not supported | N/A |
| Built-in processor | N/A | N/A | N/A | Y | Y |
| Height | 6.26 in | 6.28 in | 6.81 in | 6.16 in | 6.42 in |
|---|---|---|---|---|---|
| Width | 4.45 in | 4.33 in | 4.49 in | 4.34 in | 4.49 in |
| Depth | 0.33 in | 0.33 in | 0.37 in | 0.33 in | 0.32 in |
| Weight | 6.35 oz | 5.86 oz | 6.88 oz | 5.86 oz | 6.17 oz |
| Wi-Fi | yes | yes | yes | no | yes |
|---|---|---|---|---|---|
| 3G (UMTS) | no | N/A | no | N/A | no |
| AC adapter included | yes | N/A | no | N/A | no |
| USB | yes | yes | yes | N/A | yes |
| Wi-Fi standards | N/A |
| N/A | N/A |
|
| Bluetooth | N/A | no | N/A | no | no |
| USB type | N/A | Micro-USB | Micro-USB | Micro-USB | Micro-USB |
| Headphone out | N/A | N/A | N/A | no | N/A |
| USB version | N/A | N/A | N/A | N/A | USB 2.0 |
| 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 |
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