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- Focus Plus vs Inkpad Color 3 steel
inkBOOK Focus Plus vs Vivlio Inkpad Color 3 steel
What Focus Plus does better (3) and where Inkpad Color 3 steel wins (2) — every spec side by side.
vs
8.8Screen6.5
2.5Comfort & build2.2
7.6Battery8.4
8.1Features7.1
Dimensions
Size comparison
Focus PlusInkpad Color 3 steel
| Focus Plus | Inkpad Color 3 steel | Difference | |
|---|---|---|---|
| Height | 192 mm | 189 mm | +3 mm |
| Width | 140 mm | 134 mm | +6 mm |
| Thickness | 9 mm | 8 mm | +1 mm |
| Weight | 251 g | 265 g | −14 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Focus Plus better than Inkpad Color 3 steel?
- Warm light (adjustable colour temperature)Yes · Inkpad Color 3 steel: No
- RAM2 GB vs 1 GB2×
- Weight251 g vs 265 g+6%
Why is Inkpad Color 3 steel better than Focus Plus?
- Colour screenNo · Focus Plus: Yes
- Thickness9 mm vs 8 mm+12%
Specifications
Side by side
| Screen | ||
| Screen size | 7.8″ | 7.8″ |
| Resolution | 1872 × 1404 | 1872 × 1404 |
| Pixel density | 300 ppi | 300 ppi |
| Screen technology | E Ink Carta 1300 | E Ink Kaleido 3 |
| Colour screen | No | Yes |
| Colour pixel density | — | 150 ppi |
| Touchscreen | — | Yes |
| Front light | Yes | Yes |
| Warm light (adjustable colour temperature) | Yes | No |
| Design | ||
| Weight | 251 g | 265 g |
| Width | 140 mm | 134 mm |
| Height | 192 mm | 189 mm |
| Thickness | 9 mm | 8 mm |
| Protection rating | — | IPX7 |
| Water resistance (IPx) | — | IPx7 |
| Colours | — | Blue |
| Battery | ||
| Battery capacity | 2,900 mAh | 2,900 mAh |
| Battery life (claimed) | 4 weeks | — |
| USB-C | Yes | Yes |
| Storage | ||
| Storage | 32 GB | 32 GB |
| RAM | 2 GB | 1 GB |
| Memory card slot | Yes | — |
| Max memory card | 2,048 GB | — |
| Software & books | ||
| Platform | Android | Own Linux-based system |
| Operating system | Android 11 | Linux |
| Supported formats | EPUB, PDF, MOBI, AZW3 | EPUB, PDF, MOBI, FB2, DJVU, CBZ, CBR, DOCX, DOC, RTF, TXT, HTML, CHM |
| 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 |
| Built-in speaker | — | Yes |
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