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- Sage vs InkPad 4
Kobo Sage vs PocketBook InkPad 4
What Sage does better (3) and where InkPad 4 wins (1) — every spec side by side.
Dimensions
Size comparison
SageInkPad 4
| Sage | InkPad 4 | Difference | |
|---|---|---|---|
| Height | 180 mm | 189 mm | −9 mm |
| Width | 160 mm | 134 mm | +26 mm |
| Thickness | 12 mm | 8 mm | +4 mm |
| Weight | 241 g | 265 g | −24 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Sage better than InkPad 4?
- Pen support (handwriting)Yes · InkPad 4: No
- Weight241 g vs 265 g+10%
- Screen size8″ vs 7.8″+3%
Why is InkPad 4 better than Sage?
- Thickness12 mm vs 8 mm+50%
Specifications
Side by side
| Screen | ||
| Screen size | 8″ | 7.8″ |
| Resolution | 1920 × 1440 | 1872 × 1404 |
| Pixel density | 300 ppi | 300 ppi |
| Screen technology | E Ink Carta 1200 | E Ink Carta |
| Colour screen | No | No |
| Grey levels | — | 16 |
| Touchscreen | Yes | Yes |
| Front light | Yes | Yes |
| Warm light (adjustable colour temperature) | Yes | Yes |
| Design | ||
| Weight | 241 g | 265 g |
| Width | 160 mm | 134 mm |
| Height | 180 mm | 189 mm |
| Thickness | 12 mm | 8 mm |
| Protection rating | IPX8 | IPX8 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Physical page-turn buttons | Yes | Yes |
| Auto-rotation (G-sensor) | — | Yes |
| Colours | Black | Silver |
| Battery | ||
| Battery capacity | — | 2,000 mAh |
| USB-C | Yes | Yes |
| Storage | ||
| Storage | 32 GB | 32 GB |
| RAM | 0.5 GB | — |
| Memory card slot | No | — |
| Pen & notes | ||
| Pen support (handwriting) | Yes | No |
| Software & books | ||
| Platform | Own Linux-based system | Own Linux-based system |
| Operating system | — | Linux |
| Google Play apps | No | No |
| Built-in bookstore | Rakuten Kobo Store | PocketBook Store |
| Supported formats | EPUB, MOBI, CBZ, RTF, HTML | EPUB, PDF, MOBI, FB2, DJVU, DOCX, DOC, RTF, TXT, HTML, CHM, PRC |
| EPUB support | Yes | Yes |
| Text-to-speech | — | Yes |
| Audiobooks / audio playback | Yes | Yes |
| Public library lending (OverDrive / Libby / Onleihe) | Yes | — |
| Connectivity & audio | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Mobile data (4G / LTE) | No | No |
