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- B751C vs AiPaper
Bigme B751C vs Viwoods AiPaper
What B751C does better (2) and where AiPaper wins (4) — every spec side by side.
Dimensions
Size comparison
B751CAiPaper
| B751C | AiPaper | Difference | |
|---|---|---|---|
| Height | 155 mm | 247 mm | −92 mm |
| Width | 136 mm | 178 mm | −42 mm |
| Thickness | 7 mm | 5 mm | +2 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is B751C better than AiPaper?
- Colour screenYes · AiPaper: No
- CPU clock2.3 GHz vs 2 GHz+15%
Why is AiPaper better than B751C?
- Battery capacity2,300 mAh vs 4,100 mAh+78%
- Storage64 GB vs 128 GB2×
- Screen size7″ vs 10.6″+52%
- Thickness7 mm vs 5 mm+40%
Specifications
Side by side
| Screen | ||
| Screen size | 7″ | 10.6″ |
| Resolution | 1680 × 1264 | 2560 × 1920 |
| 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 |
| Design | ||
| Weight | — | 370 g |
| Width | 136 mm | 178 mm |
| Height | 155 mm | 247 mm |
| Thickness | 7 mm | 5 mm |
| Colours | Black | Grey |
| Battery | ||
| Battery capacity | 2,300 mAh | 4,100 mAh |
| Storage | ||
| Storage | 64 GB | 128 GB |
| RAM | 4 GB | 4 GB |
| Memory card slot | Yes | — |
| Max memory card | 1,000 GB | — |
| Pen & notes | ||
| Pen support (handwriting) | — | Yes |
| Software & books | ||
| Platform | Android | — |
| Operating system | Android | — |
| Google Play apps | Yes | — |
| Built-in bookstore | Google Play Books (app) | — |
| Connectivity & audio | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Mobile data (4G / LTE) | No | No |
| Performance | ||
| CPU clock | 2.3 GHz | 2 GHz |
