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- Kindle Paperwhite Signature Edition 2021 vs InkPad 4
Amazon Kindle Paperwhite Signature Edition 2021 vs PocketBook InkPad 4
What Kindle Paperwhite Signature Edition 2021 does better (1) and where InkPad 4 wins (3) — every spec side by side.
vs
6.7Screen8.5
4.4Comfort & build5.6
6.0Battery6.4
4.3Features6.8
Dimensions
Size comparison
Kindle Paperwhite Signature Edition 2021InkPad 4
| Kindle Paperwhite Signature Edition 2021 | InkPad 4 | Difference | |
|---|---|---|---|
| Height | 174 mm | 189 mm | −15 mm |
| Width | 125 mm | 134 mm | −9 mm |
| Thickness | 8 mm | 8 mm | = |
| Weight | 207 g | 265 g | −58 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Kindle Paperwhite Signature Edition 2021 better than InkPad 4?
- Weight207 g vs 265 g+28%
Why is InkPad 4 better than Kindle Paperwhite Signature Edition 2021?
- Physical page-turn buttonsNo · Kindle Paperwhite Signature Edition 2021: Yes
- EPUB supportNo · Kindle Paperwhite Signature Edition 2021: Yes
- Screen size6.8″ vs 7.8″+15%
Specifications
Side by side
| Screen | ||
| Screen size | 6.8″ | 7.8″ |
| Resolution | 1680 × 1264 | 1872 × 1404 |
| Pixel density | 300 ppi | 300 ppi |
| Screen technology | E Ink Carta | E Ink Carta |
| Colour screen | No | No |
| Grey levels | 16 | 16 |
| Touchscreen | Yes | Yes |
| Front light | Yes | Yes |
| Warm light (adjustable colour temperature) | Yes | Yes |
| Automatic brightness (light sensor) | Yes | — |
| Design | ||
| Weight | 207 g | 265 g |
| Width | 125 mm | 134 mm |
| Height | 174 mm | 189 mm |
| Thickness | 8 mm | 8 mm |
| Protection rating | IPX8 | IPX8 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Physical page-turn buttons | No | Yes |
| Auto-rotation (G-sensor) | — | Yes |
| Colours | Black | Silver |
| Battery | ||
| Battery capacity | — | 2,000 mAh |
| USB-C | Yes | Yes |
| Wireless charging | Yes | — |
| Storage | ||
| Storage | 32 GB | 32 GB |
| RAM | 0.5 GB | — |
| Memory card slot | No | — |
| Pen & notes | ||
| Pen support (handwriting) | No | No |
| Software & books | ||
| Platform | Own Linux-based system | Own Linux-based system |
| Operating system | Linux | Linux |
| Google Play apps | No | No |
| Built-in bookstore | Amazon Kindle Store | PocketBook Store |
| Supported formats | PDF, MOBI, AZW3, AZW, DOCX, DOC, TXT, HTML, PRC | EPUB, PDF, MOBI, FB2, DJVU, DOCX, DOC, RTF, TXT, HTML, CHM, PRC |
| EPUB support | No | Yes |
| Text-to-speech | Yes | Yes |
| Audiobooks / audio playback | Yes | Yes |
| Connectivity & audio | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Mobile data (4G / LTE) | No | No |
| Performance | ||
| CPU clock | 0.8 GHz | — |
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