| Name | Xteink X4 Pro | Obook 5 |
|---|---|---|
| Image |  |
 |
| MSRP | $99 | $109.99 |
| Released | 2026 | 2025 |
| Availability | Available | Available |
| Check price: | Xteink, Amazon | Amazon |
| Display specifications | ||
| Display type | E Ink | E Ink |
| Display size (inch) | 4.3 | 4.26 |
| Resolution (pixels W×H) | 480×800 | 480×800 |
| Color display? | No | No |
| Pixel density | 219 PPI | 219 PPI |
| Screen light? | Yes | Yes |
| Adjust color temperature? | Yes | No |
| Auto-rotate? | ❌ | ❌ |
| Input options & features | ||
| Touchscreen | ✔ | ✔ |
| Button controls? | ✔ Page-turn, Home | ✔ Page-turn/volume |
| Stylus input | ❌ | ❌ |
| Dark mode | ✔ | ✔ |
| Audiobooks | ❌ | ✔ |
| Connectivity | ||
| Bluetooth | ✔ | ✔ |
| Wi-Fi? | Wi-Fi 4 | Wi-Fi 4 |
| Cellular network | ❌ | ❌ |
| Software | ||
| Operating system | Custom OS + companion app | Custom OS |
| Reading apps & e-book shops | TXT/EPUB reader | DOC/PDF/TXT/EPUB reader |
| Web browser? | ❌ | ❌ |
| Email app? | ❌ | ❌ |
| Dropbox & Google Drive? | ❌ | ❌ |
| Hardware specifications | ||
| Internal storage | 16 GB (on incl. SD card) | 32 GB |
| RAM | ? | 128 MB |
| CPU clock speed | ? | 1.2 GHz dual core |
| Other built in: | MagSafe magnet | Speaker, microphones |
| Ports & battery | ||
| MicroSD card reader? | ✔ | ❌ |
| 3.5 mm AUX out port? | ❌ | ✔ |
| HDMI port? | ❌ | ❌ |
| Battery capacity (3.7V) | 1100 mAh | 1200 mAh |
| USB (charging) port | Pogo pins | USB-C |
| Physical specifications | ||
| Waterproof? | No | No |
| Size (cm H×W×D): | 11.1×6.9×0.595 | 12.5×7.0×0.825 |
| Weight (gram): | 72 | 94 |
| Size (inch H×W×D): | 4.37×2.72×0.23 | 4.92×2.76×0.32 |
| Weight (oz): | 2.54 | 3.17 |
| Screen: flush or recessed? | Flush | Flush |
| Color options: | Black | Blue |
| Accessories in the box | 16 GB microSD card, screen protector (matte), MagSafe ring stickers, magnetic charging adapter | Lanyard, case |
| More information | ||
| Model number | X4 Pro | OBOOK5 |
| User guide / manual | Not available | User Guide |
| Official site link: | Xteink.com | Obook.com.cn |
| Brand origin | China | China |
| Check price & reviews | ||
| See price and reviews: | Xteink, Amazon | Amazon |
Xteink X4 Pro vs Obook 5
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