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- Tab Ultra vs Tab X C
Boox Tab Ultra vs Boox Tab X C
What Tab Ultra does better (2) and where Tab X C wins (5) — every spec side by side.
Dimensions
Size comparison
Tab UltraTab X C
| Tab Ultra | Tab X C | Difference | |
|---|---|---|---|
| Height | 225 mm | 287.5 mm | −62.5 mm |
| Width | 184.5 mm | 243 mm | −58.5 mm |
| Thickness | 6.7 mm | 5.3 mm | +1.4 mm |
| Weight | 480 g | 625 g | −145 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Tab Ultra better than Tab X C?
- Battery capacity6,300 mAh vs 5,500 mAh+15%
- Weight480 g vs 625 g+30%
Why is Tab X C better than Tab Ultra?
- Pixel density227 ppi vs 300 ppi+32%
- Screen size10.3″ vs 13.3″+29%
- Colour screenNo · Tab Ultra: Yes
- RAM4 GB vs 6 GB+50%
- Thickness6.7 mm vs 5.3 mm+26%
Specifications
Side by side
| Screen | ||
| Screen size | 10.3″ | 13.3″ |
| Resolution | 1872 × 1404 | 3200 × 2400 |
| Pixel density | 227 ppi | 300 ppi |
| Screen technology | E Ink Carta | E Ink Kaleido 3 |
| Colour screen | No | Yes |
| Colour pixel density | — | 150 ppi |
| Grey levels | — | 16 |
| Touchscreen | Yes | Yes |
| Front light | Yes | Yes |
| Warm light (adjustable colour temperature) | Yes | Yes |
| Design | ||
| Weight | 480 g | 625 g |
| Width | 184.5 mm | 243 mm |
| Height | 225 mm | 287.5 mm |
| Thickness | 6.7 mm | 5.3 mm |
| Physical page-turn buttons | No | No |
| Auto-rotation (G-sensor) | Yes | Yes |
| Colours | — | Grey |
| Battery | ||
| Battery capacity | 6,300 mAh | 5,500 mAh |
| USB-C | Yes | Yes |
| Storage | ||
| Storage | 128 GB | 128 GB |
| RAM | 4 GB | 6 GB |
| Memory card slot | Yes | — |
| Pen & notes | ||
| Pen support (handwriting) | Yes | Yes |
| Software & books | ||
| Platform | Android | Android |
| Operating system | Android 11 | Android 13 |
| Google Play apps | Yes | Yes |
| Built-in bookstore | Google Play Books (app) | Google Play Books (app) |
| Supported formats | EPUB, PDF, MOBI, AZW3, FB2, DJVU, CBZ, CBR, DOCX, DOC, RTF, TXT, HTML, CHM, PRC | EPUB, PDF, MOBI, AZW3, FB2, DJVU, CBZ, CBR, DOCX, DOC, RTF, TXT, HTML, CHM, PRC |
| EPUB support | Yes | Yes |
| Audiobooks / audio playback | Yes | Yes |
| Connectivity & audio | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Mobile data (4G / LTE) | No | No |
| Built-in speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Performance | ||
| CPU cores | 8 | 8 |
| CPU clock | — | 2.8 GHz |
