| Name | PocketBook Basic Lux 4 | InkBOOK Calypso Plus |
|---|---|---|
| Image |  |
 |
| MSRP | $119.99 | €129 |
| Released | 2023 | 2021 |
| Availability | Available | Discontinued |
| Current price | Amazon | Amazon |
| Display specifications | ||
| Display type | E Ink Carta | E Ink Carta |
| Display size (inch) | 6 | 6 |
| Resolution (pixels W×H) | 758×1024 | 758×1024 |
| Color display? | No | No |
| Pixel density | 212 PPI | 212 PPI |
| Screen light? | Yes: Frontlight | Yes |
| Adjust color temperature? | No | Yes |
| Auto-rotate? | ❌ | ❌ |
| Input options & features | ||
| Touchscreen | ✔ | ✔ |
| Button controls? | ✔ 3 buttons | ✔ Home button, page-turn |
| Stylus input | ❌ | ❌ |
| Dark mode | ✔ | ❌ |
| Audiobooks | ❌ | ✔ |
| Connectivity | ||
| Bluetooth | ❌ | ✔ |
| Wi-Fi? | Wi-Fi 4 | Wi-Fi 4 |
| Cellular network | ❌ | ❌ |
| Software | ||
| Operating system | Linux 3.10.65 | inkBOOK OS (Android 8.1) |
| Reading apps & e-book shops | Bookstore, EPUB & PDF support | InkBOOK EPUB/PDF reader. Install apps: Kindle, Skoobe, & more. |
| Web browser? | ✔ | ✔ |
| Email app? | ❌ | ❌ |
| Dropbox & Google Drive? | ✔ Dropbox | ❌ |
| Hardware specifications | ||
| Internal storage | 8 GB | 16 GB |
| RAM | 512 MB | 1000 MB |
| CPU clock speed | 1 GHz dual core | 1.5 GHz quad core |
| Other built in: | - | - |
| Ports & battery | ||
| MicroSD card reader? | ✔ | ✔ |
| 3.5 mm AUX out port? | ❌ | ❌ |
| HDMI port? | ❌ | ❌ |
| Battery capacity (3.7V) | 1300 mAh | 1900 mAh |
| USB (charging) port | Micro-USB | Micro-USB |
| Physical specifications | ||
| Waterproof? | No | No |
| Size (cm H×W×D): | 16.13×10.8×0.8 | 15.9×11.4×0.9 |
| Weight (gram): | 155 | 155 |
| Size (inch H×W×D): | 6.35×4.25×0.3 | 6.26×4.49×0.35 |
| Weight (oz): | 5.47 | 5.47 |
| Screen: flush or recessed? | Recessed | Flush |
| Color options: | Black | 9 color options |
| Accessories in the box | - | - |
| More information | ||
| Model number | PB618 | ? |
| User guide / manual | User manual | User manual |
| Official site link: | Pocketbook.ch | Inkbook.eu |
PocketBook Basic Lux 4 vs InkBOOK Calypso Plus
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