
Kodak Slide N Scan
Score: 63/100
Brother DS-640
Score: 67/100Rankings

The Brother DS-640 is an ultra-compact, USB-powered scanner that delivers 600 dpi optical resolution and 16 ppm speed, handling single sheets, receipts, business cards and plastic IDs up to 72 inches long. It is ideal for mobile professionals and light-to-moderate SOHO scanning, though it lacks duplex and battery operation.

The Kodak Slide N Scan RODFS50 is a compact, standalone film digitizer that quickly converts 35 mm, 110 and 126 slides to JPEG files with a built-in 5-inch LCD. It excels in ease of use and speed but delivers modest image quality and lacks advanced editing or batch capabilities.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 600 dpibest | |
— | 16 ppmbest | |
— | 1 sheetsbest | |
— | 12 monthsbest | |
— | 48 bitsbest | |
| ↓ lower better | 0.454 kgbest | 0.466 kg |
| ↓ lower better | — | 1.4 Wbest |
— | 215.9 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Build(1) | ||
Weight (kg) | 0.454 kg | 0.466 kg |


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

Professional reviewers praise its plug-and-play simplicity and rapid scanning, but criticize soft image output, limited dynamic range, and lack of touchscreen or advanced editing for serious archival work.
Everyday users love the speed, ease of use and the joy of seeing old slides again, while common complaints focus on soft image quality, the need for an SD card, and the tedious single-slide loading process.

Professional reviewers highlight the DS-640's ultra-compact design, fast 16 ppm speed, and ability to handle 72-inch documents as key strengths, noting its plug-and-play USB 3.0 convenience and built-in OCR as workflow enhancers. They also point out that the lack of a battery and duplex scanning are deliberate trade-offs for its portability.
Everyday users love the scanner's lightweight form factor, easy setup, and clear scan quality, especially for receipts and ID cards. However, many complain about Windows 11 incompatibility, a dated software UI, intermittent USB connectivity, and the inability to scan double-sided or batch documents.
“It's tedious, but worth it to see Mom again.”

“Not pro quality, but perfect for speed and convenience.”

“The HDMI output makes it fun to show slides on the TV.”


