Product comparison · 2 scanners

Epson Expression 1680 NON 3200dpi UWSCSI USBA4 vs Epson Perfection 1640SU NON 3200dpi A4SCSI USB

Key differences

Power consumption (typical)
- Expression 1680 NON 3200dpi UWSCSI USBA4:15 W
- Perfection 1640SU NON 3200dpi A4SCSI USB:25 W
Weight
- Expression 1680 NON 3200dpi UWSCSI USBA4:8 kg
- Perfection 1640SU NON 3200dpi A4SCSI USB:4.5 kg
Dimensions (WxDxH)
- Expression 1680 NON 3200dpi UWSCSI USBA4:290 x 520 x 125 mm
- Perfection 1640SU NON 3200dpi A4SCSI USB:289 x 442 x 96 mm
Power requirements
- Expression 1680 NON 3200dpi UWSCSI USBA4:220-240V (50/60Hz)
- Perfection 1640SU NON 3200dpi A4SCSI USB:220-240V, 50/60Hz

Differences highlightedShow differences only

Comparison of Expression 1680 NON 3200dpi UWSCSI USBA4, Perfection 1640SU NON 3200dpi A4SCSI USB
11 specifications	A Epson Expression 1680 NON 3200dpi UWSCSI USBA4 View product	B Epson Perfection 1640SU NON 3200dpi A4SCSI USB View product
Scanningidentical
Maximum scan size	216 x 297 mm	216 x 297 mm
Colour scanning	Yes	Yes
Power1 differ
Power consumption (typical)Differs	15 W	25 W
Weight & dimensions1 differ
WeightDiffers	8 kg	4.5 kg
Packaging content1 differ
Bundled softwareDiffers	Drivers, Auto Area Segmentation, EPSON Network TWAIN, EPSON Scan Server, Lasersoft Silverfast 5.5, Text Enhancement Technology	Drivers & Utilities, Adobe PhotoDeluxe 4.0 (Win), Adobe PhotoDeluxe 2.0 (Mac), Textbridge Pro (Win/Mac), Adobe Acrobat Reader, EPSON Scan 2, Adobe PhotoShop LE 5.0 (Win/Mac only with 1640SU Photo)
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
System requirements1 differ
Compatible operating systemsDiffers	Microsoft Windows 95/98/2000/Me/NT 4.0, Mac OS Classic 7.6.1 and later	Microsoft Windows 98/2000/NT4.0, Apple MacOS 8.5 or later
Other features2 differ
Dimensions (WxDxH)Differs	290 x 520 x 125 mm	289 x 442 x 96 mm
Compatibility	Yes, non-machine specific device	Yes, non-machine specific device
Power requirementsDiffers	220-240V (50/60Hz)	220-240V, 50/60Hz
I/O ports	USB	USB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.