Product comparison · 2 scanners

Epson Perfection 1240U vs Epson Perfection 1650

Key differences

Film scanning
- Perfection 1240U:No
- Perfection 1650:Yes
Optical density (Dmax)
- Perfection 1240U:3
- Perfection 1650:3.2
Power supply
- Perfection 1240U:25 W
- Perfection 1650:20 W
Dimensions (WxDxH)
- Perfection 1240U:269 x 171.4 x 93 mm
- Perfection 1650:276 x 450 x 96 mm

Differences highlightedShow differences only

Comparison of Perfection 1240U, Perfection 1650
25 specifications	A Epson Perfection 1240U View product	B Epson Perfection 1650 View product
Scanning2 differ
Film scanningDiffers	No	Yes
Optical density (Dmax)Differs	3	3.2
Input colour depthKnown for one	Unknown — not stated by the source	48 bit
Performanceidentical
Light sourceKnown for one	Unknown — not stated by the source	CCFL
Paper handlingidentical
Maximum ISO A-series paper sizeKnown for one	A4	Unknown — not stated by the source
ISO A-series sizes (A0...A9)Known for one	A4	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	25 W	20 W
Power supply typeKnown for one	Unknown — not stated by the source	AC
Packaging content1 differ
Bundled softwareDiffers	EPSON TWAIN Adobe PhotoDeluxe ScanSoft TextBridge Pro NewSoft Presto	ArcSoft PhotoImpression EPSON Smart Panel with NewSoft OCR EPSON TWAIN Scanning Software
System requirements1 differ
Compatible operating systemsDiffers	Windows 98/2000/Me Mac 8.5 +	Windows 98/2000/Me/XP Mac 8.5 - 9.x
Minimum RAMKnown for one	32 MB	Unknown — not stated by the source
Minimum system requirementsKnown for one	USB	Unknown — not stated by the source
Minimum storage drive spaceKnown for one	Unknown — not stated by the source	50 MB
Other features1 differ
Dimensions (WxDxH)Differs	269 x 171.4 x 93 mm	276 x 450 x 96 mm

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.