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- Solaris Color vs Libra 2
inkBOOK Solaris Color vs Kobo Libra 2
What Solaris Color does better (4) and where Libra 2 wins (1) — every spec side by side.
vs
8.4Screen7.6
6.3Comfort & build5.7
7.5Features6.1
Dimensions
Size comparison
Solaris ColorLibra 2
| Solaris Color | Libra 2 | Difference | |
|---|---|---|---|
| Height | 154 mm | 162 mm | −8 mm |
| Width | 112 mm | 146 mm | −34 mm |
| Thickness | 8.4 mm | 9 mm | −0.6 mm |
| Weight | 174 g | 215 g | −41 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Solaris Color better than Libra 2?
- RAM2 GB vs 0.5 GB4×
- Weight174 g vs 215 g+24%
- Colour screenYes · Libra 2: No
- Thickness8.4 mm vs 9 mm+7%
Why is Libra 2 better than Solaris Color?
- Screen size6″ vs 7″+17%
Specifications
Side by side
| Screen | ||
| Screen size | 6″ | 7″ |
| Resolution | 1448 × 1072 | 1680 × 1264 |
| Pixel density | 300 ppi | 300 ppi |
| Screen technology | E Ink Kaleido 3 | E Ink Carta |
| Colour screen | Yes | No |
| Colour pixel density | 150 ppi | — |
| Touchscreen | — | Yes |
| Front light | Yes | Yes |
| Warm light (adjustable colour temperature) | Yes | Yes |
| Design | ||
| Weight | 174 g | 215 g |
| Width | 112 mm | 146 mm |
| Height | 154 mm | 162 mm |
| Thickness | 8.4 mm | 9 mm |
| Protection rating | — | IPX8 |
| Water resistance (IPx) | — | IPx8 |
| Physical page-turn buttons | — | Yes |
| Battery | ||
| Battery capacity | 1,900 mAh | — |
| Battery life (claimed) | 2 weeks | — |
| USB-C | Yes | Yes |
| Storage | ||
| Storage | 32 GB | 32 GB |
| RAM | 2 GB | 0.5 GB |
| Memory card slot | — | No |
| Pen & notes | ||
| Pen support (handwriting) | — | No |
| 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, FB2, CBZ, DOC, RTF, TXT | EPUB, PDF, MOBI, CBZ, RTF, HTML |
| 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 |
| Built-in speaker | — | Yes |
| Headphone jack | — | Yes |
