Canon CanoScan LiDE400
Score: 76/100
Brother DS-640
Score: 25/100Rankings
The Canon CanoScan LiDE 400 is a slim, USB-C powered flatbed scanner offering 4800 × 4800 dpi optical resolution, fast single-page scanning, and a feature-rich software bundle, targeting home users, photographers, and light office tasks. While it delivers excellent image quality and low power use, it lacks duplex capability, an ADF, and network connectivity.
The Brother DS-640 is an ultra-compact, USB-powered sheet-fed scanner aimed at mobile professionals. It offers fast 16 ppm scanning and versatile media handling but lacks duplex capability and batch automation.
| Attribute | | |
|---|---|---|
4,800 dpibest | 600 dpi | |
7.5 ppm | 16 ppmbest | |
— | 1 sheetsbest | |
12 monthsbest | 12 monthsbest | |
48 bitsbest | 24 bits | |
| ↓ lower better | 1.633 kg | 0.467 kgbest |
| ↓ lower better | 0.3 Wbest | — |
215.9 mm | 216 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity(1) | ||
Supported Operating Systems | Windows, macOS | Windows, macOS, Linux |
Image Quality(2) | ||
Optical Resolution (dpi) | 4800 dpi | 600 dpi |
Color Depth (bits) | 48 bits | 24 bits |
Performance(3) | ||
Scan Speed (Simplex) (ppm) | 7.5 ppm | 16 ppm |
Maximum Document Width (mm) | 215.9 mm | 216 mm |
Maximum Document Length (mm) | 297.2 mm | 1829 mm |
Power & Build(1) | ||
Weight (kg) | 1.633 kg | 0.467 kg |
Products in the top-left offer the best value (high score, low price).
Professional reviewers gave the LiDE 400 an Editors' Choice, praising its vibrant photo quality, robust software bundle, and intuitive plug-and-play operation, while noting its simplicity as a major strength.
Everyday users appreciate the scanner's crisp image quality, USB-C power-only convenience, and ease of setup, especially for digitizing photos, though they cite limited macOS support and the absence of an automatic document feeder.
Professional reviewers praise the DS-640 for its pocket-size design, versatile media support, and useful OCR suite, positioning it as a solid entry-level mobile scanner. However, they note its shortcomings in automation, especially the lack of duplex scanning, and point out that lighter competitors like the Epson DS-70 offer more advanced features such as automatic duplex and built-in battery.
Everyday users consistently commend the scanner's ease of use, portability, and scan quality, especially for receipts, ID cards, and long documents. Common complaints revolve around the absence of duplex scanning, occasional Windows 11 driver hiccups, and the need to stay tethered to a computer for power and data.
“Great supplement to a single-function printer.”
“Scans are crisp.”
“USB-C cable is handy but third-party cables sometimes fail.”
