Xteink X4 vs Xteink X4 Pro
Better figure, where one is clearly better
| XteinkX4 | XteinkX4 Pro | |
|---|---|---|
| Overview | ||
| Released | December 2025 | July 2026 |
| Screen | ||
| Screen size | 4.3″ | 4.3″ |
| Resolution | 800 × 480 | – |
| Sharpness | 220 pixels per inch (better) | 219 pixels per inch |
| Colour | No | No |
| Front light | No | Yes, adjustable warmth |
| Display detail | E Ink, 220 ppi; not a touchscreen. Resolution from Xteink's recommended wallpaper size (480 × 800) in the user guide; later Xteink listings say 219 ppi | E Ink touchscreen, 219 ppi |
| Front light | – | Front light with adjustable brightness and warm/cool colour temperature |
| Reading and writing | ||
| Stylus | No | No |
| Page-turn buttons | Yes | Yes |
| Audiobooks | No | No |
| Storage | 32 GB (better) | 16 GB |
| Software | Other | Other |
| Formats | TXT (UTF-8), EPUB; BMP and JPG images (up to 1024 × 1024 px, under 2 MB); fonts in .bin format only | EPUB, TXT; JPG and BMP images; BIN and XTF fonts (TTF promised in a later update) |
| Book store | None; books are copied to the microSD card over USB-C or sent over Wi-Fi | None; books are sent from the Xteink app over Wi-Fi or copied over USB |
| Design | ||
| Weight | 74 g | 72 g (better) |
| Materials | Magnetic back for phones with MagSafe-style magnets; adhesive metal rings included for other phones | Built-in magnets for phones; adhesive metal rings included for other phones |
| Size | 114 × 69 × 5.9 mm (4.49 × 2.72 × 0.23 in in the user guide). Weight 74 g in the user guide; Xteink's later blog posts say 77 g | 111 × 69 × 5.95 mm |
| Colours | Space Black, White | Space Black |
| In the box | X4, microSD card, screen protector, 2 adhesive metal rings | X4 Pro, Quick Start Guide, microSD card, matte screen protector, 2 adhesive metal rings, magnetic charging adapter |
| Connections and battery | ||
| Battery life detail | 650 mAh; up to 14 days on a charge at 1–3 hours of reading a day (Xteink's Amazon listing); full charge in 1–2 hours | 1100 mAh; full charge in 1–2 hours |
| Charging | USB-C | Pogo pins, with a magnetic pogo-pin-to-USB-C adapter included; no cable in the box |
| Connectivity | Wi-Fi (2.4 GHz only), Bluetooth, USB-C, microSD slot (32 GB card included in the user guide; Xteink's later listings say 16 GB, expandable) | Wi-Fi (2.4 GHz only), Bluetooth, microSD slot (16 GB card included, up to 256 GB) |
