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- Kindle Colorsoft Signature Edition vs Focus Plus
Amazon Kindle Colorsoft Signature Edition vs inkBOOK Focus Plus
What Kindle Colorsoft Signature Edition does better (3) and where Focus Plus wins (2) — every spec side by side.
vs
8.9Screen8.8
3.7Comfort & build2.5
6.0Battery7.6
6.5Features8.1
Dimensions
Size comparison
Kindle Colorsoft Signature EditionFocus Plus
| Kindle Colorsoft Signature Edition | Focus Plus | Difference | |
|---|---|---|---|
| Height | 177 mm | 192 mm | −15 mm |
| Width | 128 mm | 140 mm | −12 mm |
| Thickness | 8 mm | 9 mm | −1 mm |
| Weight | 219 g | 251 g | −32 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Kindle Colorsoft Signature Edition better than Focus Plus?
- Colour screenYes · Focus Plus: No
- Weight219 g vs 251 g+15%
- Thickness8 mm vs 9 mm+12%
Why is Focus Plus better than Kindle Colorsoft Signature Edition?
- Memory card slotNo · Kindle Colorsoft Signature Edition: Yes
- Screen size7″ vs 7.8″+11%
Specifications
Side by side
| Screen | ||
| Screen size | 7″ | 7.8″ |
| Resolution | 1680 × 1264 | 1872 × 1404 |
| Pixel density | 300 ppi | 300 ppi |
| Screen technology | — | E Ink Carta 1300 |
| Colour screen | Yes | No |
| Grey levels | 16 | — |
| Touchscreen | Yes | — |
| Front light | Yes | Yes |
| Warm light (adjustable colour temperature) | Yes | Yes |
| Automatic brightness (light sensor) | Yes | — |
| Design | ||
| Weight | 219 g | 251 g |
| Width | 128 mm | 140 mm |
| Height | 177 mm | 192 mm |
| Thickness | 8 mm | 9 mm |
| Protection rating | IPX8 | — |
| Water resistance (IPx) | IPx8 | — |
| Physical page-turn buttons | No | — |
| Colours | Black | — |
| Battery | ||
| Battery capacity | — | 2,900 mAh |
| Battery life (claimed) | — | 4 weeks |
| USB-C | Yes | Yes |
| Wireless charging | Yes | — |
| Storage | ||
| Storage | 32 GB | 32 GB |
| RAM | — | 2 GB |
| Memory card slot | No | Yes |
| Max memory card | — | 2,048 GB |
| Pen & notes | ||
| Pen support (handwriting) | No | — |
| Software & books | ||
| Platform | Own Linux-based system | Android |
| Operating system | — | Android 11 |
| Google Play apps | No | — |
| Built-in bookstore | Amazon Kindle Store | — |
| Supported formats | EPUB, PDF, MOBI, AZW3, AZW, DOCX, DOC, RTF, TXT, HTML, PRC | EPUB, PDF, MOBI, AZW3 |
| EPUB support | Yes | Yes |
| Text-to-speech | Yes | Yes |
| Audiobooks / audio playback | Yes | — |
| Connectivity & audio | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Mobile data (4G / LTE) | No | — |
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