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- Cognita Tab 8 vs B751C
Bemi Cognita Tab 8 vs Bigme B751C
What Cognita Tab 8 does better (2) and where B751C wins (3) — every spec side by side.
vs
5.5Screen9.7
9.0Battery8.2
6.2Features9.4
Why is Cognita Tab 8 better than B751C?
- Battery capacity3,200 mAh vs 2,300 mAh+39%
- Screen size7.8″ vs 7″+11%
Why is B751C better than Cognita Tab 8?
- Storage16 GB vs 64 GB4×
- RAM1 GB vs 4 GB4×
- Colour screenNo · Cognita Tab 8: Yes
Specifications
Side by side
| Screen | ||
| Screen size | 7.8″ | 7″ |
| Resolution | 1872 × 1404 | 1680 × 1264 |
| Pixel density | 300 ppi | 300 ppi |
| Screen technology | E Ink Carta | E Ink Kaleido 3 |
| Colour screen | No | Yes |
| Colour pixel density | — | 150 ppi |
| Grey levels | 16 | — |
| Touchscreen | Yes | — |
| Front light | Yes | — |
| Warm light (adjustable colour temperature) | No | — |
| Design | ||
| Weight | 305 g | — |
| Width | — | 136 mm |
| Height | — | 155 mm |
| Thickness | — | 7 mm |
| Colours | Black | Black |
| Battery | ||
| Battery capacity | 3,200 mAh | 2,300 mAh |
| USB-C | Yes | — |
| Storage | ||
| Storage | 16 GB | 64 GB |
| RAM | 1 GB | 4 GB |
| Memory card slot | — | Yes |
| Max memory card | — | 1,000 GB |
| Software & books | ||
| Platform | Android | Android |
| Operating system | Android | Android |
| Google Play apps | — | Yes |
| Built-in bookstore | — | Google Play Books (app) |
| Supported formats | EPUB, PDF, MOBI, AZW3, AZW, FB2, DOCX, DOC, RTF, TXT, HTML, CHM, PRC | — |
| EPUB support | Yes | — |
| Text-to-speech | Yes | — |
| Audiobooks / audio playback | Yes | — |
| Connectivity & audio | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Mobile data (4G / LTE) | No | No |
| Built-in speaker | Yes | — |
| Performance | ||
| CPU clock | — | 2.3 GHz |
