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- B751C S vs AiPaper Reader
Bigme B751C S vs Viwoods AiPaper Reader
What B751C S does better (3) and where AiPaper Reader wins (1) — every spec side by side.
vs
9.7Screen4.5
8.8Battery8.7
9.8Features9.6
Why is B751C S better than AiPaper Reader?
- Battery capacity3,050 mAh vs 2,580 mAh+18%
- Colour screenYes · AiPaper Reader: No
- Screen size7″ vs 6.1″+14%
Why is AiPaper Reader better than B751C S?
- Storage64 GB vs 128 GB2×
Specifications
Side by side
| Screen | ||
| Screen size | 7″ | 6.1″ |
| Resolution | — | 1648 × 824 |
| Pixel density | 300 ppi | 300 ppi |
| Screen technology | — | E Ink Carta |
| Colour screen | Yes | No |
| Colour pixel density | 150 ppi | — |
| Touchscreen | — | Yes |
| Front light | — | Yes |
| Warm light (adjustable colour temperature) | — | No |
| Design | ||
| Weight | 220 g | — |
| Width | — | 80 mm |
| Height | — | 159 mm |
| Thickness | — | 7 mm |
| Auto-rotation (G-sensor) | — | Yes |
| Colours | — | Grey |
| Battery | ||
| Battery capacity | 3,050 mAh | 2,580 mAh |
| USB-C | Yes | — |
| Storage | ||
| Storage | 64 GB | 128 GB |
| RAM | 4 GB | 4 GB |
| Memory card slot | Yes | — |
| Max memory card | 1,024 GB | — |
| Pen & notes | ||
| Pen support (handwriting) | Yes | — |
| Software & books | ||
| Platform | Android | Android |
| Operating system | Android 14 | Android |
| Google Play apps | Yes | — |
| Built-in bookstore | Google Play Books (app) | — |
| Supported formats | — | EPUB, PDF, MOBI, AZW3 |
| EPUB support | — | Yes |
| Connectivity & audio | ||
| Wi-Fi | — | Yes |
| Bluetooth | Yes | Yes |
| Mobile data (4G / LTE) | — | Yes |
