Boox Picco vs Metalio E-Ink 4

Name Boox Picco Metalio E-Ink 4
Image Boox Picco Metalio E-Ink 4
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Boox Picco – back
Metalio E-Ink 4 – backMetalio E-Ink 4 – right side
MSRP $99.99 ~$90
Released 2026 2026
Availability Available Available
Check price: Boox, Amazon AliExpress, Litnxt
Display specifications
Display type E Ink E Ink
Display size (inch) 3.97 3.97
Resolution (pixels W×H) 480×800 400×800
Color display? No No
Pixel density 235 PPI 235 PPI
Screen light? Yes No
Adjust color temperature? Yes NA
Auto-rotate? ❌ ?
Input options & features
Touchscreen ✔ ✔
Button controls? ✔ Page-turn, light-switch ✔ Page-turn, AI button, menu
Stylus input ❌ ❌
Dark mode ✔ ?
Audiobooks ❌ ?
Connectivity
Bluetooth ✔ ?
Wi-Fi? Wi-Fi 4 Wi-Fi
Cellular network ❌ ✔ 4G via SIM (optional, +~$20)
Software
Operating system Custom OS Custom OS + companion app
Reading apps & e-book shops TXT/EPUB reader TXT/EPUB reader
Web browser? ❌ ❌
Email app? ❌ ❌
Dropbox & Google Drive? ❌ ❌
Hardware specifications
Internal storage 16 GB (on incl. SD card) 0.016 GB
RAM 8.512 MB 8 MB PSRAM + 512 KB DRAM ?
CPU clock speed 0.24 GHz dual core (ESP32-S3) 0.24 GHz dual core (ESP32-S3)
Other built in: - Microphone, speaker, camera (optional, +~$20)
Ports & battery
MicroSD card reader? ✔ ✔
3.5 mm AUX out port? ❌ ❌
Other ports? ❌ ❌
Battery capacity (3.7V) 920 mAh 1000 mAh
(USB) charging port USB-C USB-C
Physical specifications
Waterproof? No No
Size (cm H×W×D): 10.55×6.2×0.55 10.7×6.37×0.67
Weight (gram): 58 78
Size (inch H×W×D): 4.15×2.44×0.22 4.21×2.51×0.26
Weight (oz): 2.05 2.75
Screen: flush or recessed? Flush Flush
Color options: White White
Accessories in the box Case (MagSafe), screen protector ×3 Case, lanyard
More information
Model number Picco MetalioEInk4-FE3D
User guide / manual User Guide User Guide
Official site link: Boox.com Metalio.world
Brand origin China China
Check price & reviews
See price and reviews: Boox, Amazon AliExpress, Litnxt
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Key differences

The Boox Picco costs $9.99 more ($99.99 vs ~$90), has more storage (16 GB vs 0.016 GB) and is lighter (58 g vs 78 g).

The Metalio E-Ink 4 has a larger battery (1000 mAh vs 920 mAh). Only on the Boox Picco: screen light.

Only on the Metalio E-Ink 4: cellular network (4G via SIM, optional, +~$20). Other differences: Wi-Fi 4 vs Wi-Fi and operating system (Custom OS vs Custom OS + companion app). Both have E Ink displays.

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