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- B1051 BW vs Tab Ultra
Bigme B1051 BW vs Boox Tab Ultra
What B1051 BW does better (2) and where Tab Ultra wins (0) — every spec side by side.
Why is B1051 BW better than Tab Ultra?
- Pixel density300 ppi vs 227 ppi+32%
- RAM6 GB vs 4 GB+50%
Why is Tab Ultra better than B1051 BW?
Tab Ultra has no measurable advantages in this pair.
Specifications
Side by side
| Screen | ||
| Screen size | 10.3″ | 10.3″ |
| Resolution | 2480 × 1680 | 1872 × 1404 |
| Pixel density | 300 ppi | 227 ppi |
| Screen technology | E Ink Carta 1200 | E Ink Carta |
| Colour screen | No | No |
| Touchscreen | — | Yes |
| Front light | Yes | Yes |
| Warm light (adjustable colour temperature) | Yes | Yes |
| Design | ||
| Weight | — | 480 g |
| Width | — | 184.5 mm |
| Height | — | 225 mm |
| Thickness | — | 6.7 mm |
| Physical page-turn buttons | — | No |
| Auto-rotation (G-sensor) | — | Yes |
| Battery | ||
| Battery capacity | — | 6,300 mAh |
| USB-C | — | Yes |
| Storage | ||
| Storage | 128 GB | 128 GB |
| RAM | 6 GB | 4 GB |
| Memory card slot | — | Yes |
| Pen & notes | ||
| Pen support (handwriting) | Yes | Yes |
| Software & books | ||
| Platform | Android | Android |
| Operating system | Android 14 | 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 support | — | Yes |
| Audiobooks / audio playback | — | Yes |
| Connectivity & audio | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Mobile data (4G / LTE) | — | No |
| Built-in speaker | — | Yes |
| Microphone | — | Yes |
| Performance | ||
| CPU cores | — | 8 |
