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- Tab Ultra C vs Tab X
Boox Tab Ultra C vs Boox Tab X
What Tab Ultra C does better (3) and where Tab X wins (2) — every spec side by side.
vs
6.9Screen2.5
4.6Comfort & build2.6
7.0Battery7.0
3.6Features5.1
Dimensions
Size comparison
Tab Ultra CTab X
| Tab Ultra C | Tab X | Difference | |
|---|---|---|---|
| Height | 225 mm | 310 mm | −85 mm |
| Width | 184.5 mm | 228 mm | −43.5 mm |
| Thickness | 6.7 mm | 6.8 mm | −0.1 mm |
| Weight | 480 g | 560 g | −80 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Tab Ultra C better than Tab X?
- Pixel density300 ppi vs 207 ppi+45%
- Colour screenYes · Tab X: No
- Weight480 g vs 560 g+17%
Why is Tab X better than Tab Ultra C?
- Screen size10.3″ vs 13.3″+29%
- RAM4 GB vs 6 GB+50%
Specifications
Side by side
| Screen | ||
| Screen size | 10.3″ | 13.3″ |
| Resolution | 2480 × 1860 | 2200 × 1650 |
| Pixel density | 300 ppi | 207 ppi |
| Screen technology | E Ink Kaleido 3 | E Ink Carta 1250 |
| Colour screen | Yes | No |
| Colour pixel density | 150 ppi | — |
| Touchscreen | Yes | Yes |
| Front light | Yes | Yes |
| Warm light (adjustable colour temperature) | Yes | Yes |
| Design | ||
| Weight | 480 g | 560 g |
| Width | 184.5 mm | 228 mm |
| Height | 225 mm | 310 mm |
| Thickness | 6.7 mm | 6.8 mm |
| Physical page-turn buttons | No | No |
| Auto-rotation (G-sensor) | Yes | Yes |
| Battery | ||
| Battery capacity | 6,300 mAh | 6,300 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 11 |
| 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 |
