- artstor.blog
- Compare
- Focus Plus vs Sage
inkBOOK Focus Plus vs Kobo Sage
What Focus Plus does better (3) and where Sage wins (2) — every spec side by side.
vs
8.8Screen8.6
2.5Comfort & build4.8
8.1Features7.2
Dimensions
Size comparison
Focus PlusSage
| Focus Plus | Sage | Difference | |
|---|---|---|---|
| Height | 192 mm | 180 mm | +12 mm |
| Width | 140 mm | 160 mm | −20 mm |
| Thickness | 9 mm | 12 mm | −3 mm |
| Weight | 251 g | 241 g | +10 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Focus Plus better than Sage?
- RAM2 GB vs 0.5 GB4×
- Memory card slotYes · Sage: No
- Thickness9 mm vs 12 mm+33%
Why is Sage better than Focus Plus?
- Weight251 g vs 241 g+4%
- Screen size7.8″ vs 8″+3%
Specifications
Side by side
| Screen | ||
| Screen size | 7.8″ | 8″ |
| Resolution | 1872 × 1404 | 1920 × 1440 |
| Pixel density | 300 ppi | 300 ppi |
| Screen technology | E Ink Carta 1300 | E Ink Carta 1200 |
| Colour screen | No | No |
| Touchscreen | — | Yes |
| Front light | Yes | Yes |
| Warm light (adjustable colour temperature) | Yes | Yes |
| Design | ||
| Weight | 251 g | 241 g |
| Width | 140 mm | 160 mm |
| Height | 192 mm | 180 mm |
| Thickness | 9 mm | 12 mm |
| Protection rating | — | IPX8 |
| Water resistance (IPx) | — | IPx8 |
| Physical page-turn buttons | — | Yes |
| Colours | — | Black |
| Battery | ||
| Battery capacity | 2,900 mAh | — |
| Battery life (claimed) | 4 weeks | — |
| USB-C | Yes | Yes |
| Storage | ||
| Storage | 32 GB | 32 GB |
| RAM | 2 GB | 0.5 GB |
| Memory card slot | Yes | No |
| Max memory card | 2,048 GB | — |
| Pen & notes | ||
| Pen support (handwriting) | — | Yes |
| Software & books | ||
| Platform | Android | Own Linux-based system |
| Operating system | Android 11 | — |
| Google Play apps | — | No |
| Built-in bookstore | — | Rakuten Kobo Store |
| Supported formats | EPUB, PDF, MOBI, AZW3 | EPUB, MOBI, CBZ, RTF, HTML |
| EPUB support | Yes | Yes |
| Text-to-speech | Yes | — |
| Audiobooks / audio playback | — | Yes |
| Public library lending (OverDrive / Libby / Onleihe) | — | Yes |
| Connectivity & audio | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Mobile data (4G / LTE) | — | No |
