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- Note Air 4 C vs Tab Ultra C
Boox Note Air 4 C vs Boox Tab Ultra C
What Note Air 4 C does better (3) and where Tab Ultra C wins (2) — every spec side by side.
vs
9.0Screen6.9
3.9Comfort & build4.6
6.4Battery7.0
8.5Features3.6
Dimensions
Size comparison
Note Air 4 CTab Ultra C
| Note Air 4 C | Tab Ultra C | Difference | |
|---|---|---|---|
| Height | 226 mm | 225 mm | +1 mm |
| Width | 194 mm | 184.5 mm | +9.5 mm |
| Thickness | 6 mm | 6.7 mm | −0.7 mm |
| Weight | 430 g | 480 g | −50 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Note Air 4 C better than Tab Ultra C?
- Weight430 g vs 480 g+12%
- RAM6 GB vs 4 GB+50%
- Thickness6 mm vs 6.7 mm+12%
Why is Tab Ultra C better than Note Air 4 C?
- Battery capacity3,700 mAh vs 6,300 mAh+70%
- Storage64 GB vs 128 GB2×
Specifications
Side by side
| Screen | ||
| Screen size | 10.3″ | 10.3″ |
| Resolution | 2480 × 1860 | 2480 × 1860 |
| Pixel density | 300 ppi | 300 ppi |
| Screen technology | E Ink Kaleido 3 | E Ink Kaleido 3 |
| Colour screen | Yes | Yes |
| Colour pixel density | 150 ppi | 150 ppi |
| Grey levels | 16 | — |
| Touchscreen | Yes | Yes |
| Front light | Yes | Yes |
| Warm light (adjustable colour temperature) | Yes | Yes |
| Design | ||
| Weight | 430 g | 480 g |
| Width | 194 mm | 184.5 mm |
| Height | 226 mm | 225 mm |
| Thickness | 6 mm | 6.7 mm |
| Physical page-turn buttons | No | No |
| Auto-rotation (G-sensor) | Yes | Yes |
| Colours | Black | — |
| Battery | ||
| Battery capacity | 3,700 mAh | 6,300 mAh |
| USB-C | Yes | Yes |
| Storage | ||
| Storage | 64 GB | 128 GB |
| RAM | 6 GB | 4 GB |
| Memory card slot | Yes | Yes |
| Max memory card | 2,000 GB | — |
| Pen & notes | ||
| Pen support (handwriting) | Yes | Yes |
| Software & books | ||
| Platform | Android | Android |
| Operating system | Android | Android 11 |
| Google Play apps | Yes | Yes |
| Built-in bookstore | Google Play Books (app) | Google Play Books (app) |
| Supported formats | EPUB, PDF, MOBI, 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 | 2.4 GHz | — |
