
Brother DS-640
Score: 25/100
Epson Perfection V19 II
Score: 73/100Rankings

The Epson Perfection V19 II is a compact, USB-powered flatbed scanner offering superb 4800 dpi optical resolution and useful OCR software, ideal for home and small-office photo/document digitization. Its removable high-rise lid adds versatility, but the lack of an ADF and slow high-resolution scans limit high-volume use.

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 | ![]() | ![]() |
|---|---|---|
600 dpi | 4,800 dpibest | |
16 ppmbest | 6 ppm | |
1 sheetsbest | — | |
12 monthsbest | 12 monthsbest | |
24 bits | 48 bitsbest | |
| ↓ lower better | 0.467 kgbest | 1.406 kg |
| ↓ lower better | — | 1.1 Wbest |
216 mmbest | 215.9 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Image Quality(2) | ||
Optical Resolution (dpi) | 600 dpi | 4800 dpi |
Color Depth (bits) | 24 bits | 48 bits |
Performance(3) | ||
Scan Speed (Simplex) (ppm) | 16 ppm | 6 ppm |
Maximum Document Width (mm) | 216 mm | 215.9 mm |
Maximum Document Length (mm) | 1829 mm | 297.18 mm |
Power & Build(1) | ||
Weight (kg) | 0.467 kg | 1.406 kg |


Products in the top-left offer the best value (high score, low price).

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.

Professional reviewers commend the V19 II for its superb image clarity, straightforward setup, and useful OCR and photo-restoration software, while noting modest smart features, an outdated Micro-USB port, and the absence of an ADF or cloud integration.
Everyday users love the crisp photo quality, removable lid, and one-touch scanning, but complain about driver hassles on Windows 11, slow high-resolution scans, cheap build feel, and the Micro-USB connector.
“The OCR functionality is frequently praised for accurately converting scanned documents into editable text.”

“Everyday users love the scanner's crisp photo quality, removable lid for books, and the convenience of one-touch scanning and OCR.”

“Recurring complaints focus on driver hassles on Windows 11, slow high-resolution scans, a perceived cheap build, and the outdated Micro-USB connector.”

