Product comparison · 2 scanners

Brother DS-640 scanner Handheld scanner vs Brother DS-940DW scanner Sheet-fed scanner

53specifications compared
20differ
33identical
25known for one product only

Key differences

Optical scanning resolution
- DS-640 scanner Handheld scanner:1200 x 1200 DPI
- DS-940DW scanner Sheet-fed scanner:600 x 600 DPI
Duplex scanning
- DS-640 scanner Handheld scanner:No
- DS-940DW scanner Sheet-fed scanner:Yes
Black/white scanning colour modes
- DS-640 scanner Handheld scanner:Grayscale
- DS-940DW scanner Sheet-fed scanner:Grayscale, Monochrome
Scanner type
- DS-640 scanner Handheld scanner:Handheld scanner
- DS-940DW scanner Sheet-fed scanner:Sheet-fed scanner
Scan drivers
- DS-640 scanner Handheld scanner:SANE, TWAIN, WIA
- DS-940DW scanner Sheet-fed scanner:ICA, SANE, TWAIN, WIA
Power consumption (typical)
- DS-640 scanner Handheld scanner:2.3 W
- DS-940DW scanner Sheet-fed scanner:3.6 W
Power consumption (standby)
- DS-640 scanner Handheld scanner:1.3 W
- DS-940DW scanner Sheet-fed scanner:2.2 W
Power consumption (off)
- DS-640 scanner Handheld scanner:0.01 W
- DS-940DW scanner Sheet-fed scanner:0.11 W

Side by side

Differences highlightedShow differences only

Comparison of DS-640, DS-940DW
78 specifications	A Brother DS-640 scanner Handheld scanner Model DS-640 View product	B Brother DS-940DW scanner Sheet-fed scanner Model DS-940DW View product
Scanning3 differ
Optical scanning resolutionDiffers	1200 x 1200 DPI	600 x 600 DPI
Duplex scanningDiffers	No	Yes
Input colour depthKnown for one	Unknown — not stated by the source	48 bit
Duplex ADF scan speed (colour, A4)Known for one	Unknown — not stated by the source	30 ipm
Black/white scanning colour modesDiffers	Grayscale	Grayscale, Monochrome
Output greyscale depthKnown for one	8 bit	Unknown — not stated by the source
Output monochrome depthKnown for one	1 bit	Unknown — not stated by the source
Greyscale levelsKnown for one	256	Unknown — not stated by the source
Design1 differ
Scanner typeDiffers	Handheld scanner	Sheet-fed scanner
Performance2 differ
Scan toDiffers	E-mail, File, Image, OCR	E-mail, File, Image, Memory card, OCR
Scan driversDiffers	SANE, TWAIN, WIA	ICA, SANE, TWAIN, WIA
Internal memoryKnown for one	Unknown — not stated by the source	512 MB
Compatible memory cardsKnown for one	Unknown — not stated by the source	MicroSD (TransFlash)
Sensor typeKnown for one	CIS	Unknown — not stated by the source
Input capacityidentical
Standard input capacityKnown for one	Unknown — not stated by the source	1 sheets
Paper handling1 differ
Scanning media types supportedDiffers	Plain paper, Plastic Card	Business Card, Plain paper, Plastic Card
Maximum scan widthKnown for one	Unknown — not stated by the source	21.6 cm
Maximum scan lengthKnown for one	Unknown — not stated by the source	182.9 cm
Long-paper modeKnown for one	Yes	Unknown — not stated by the source
Auto Document Feeder (ADF) media weightKnown for one	35 - 270 g/m²	Unknown — not stated by the source
Ports & interfaces1 differ
Standard interfacesDiffers	USB 3.2 Gen 1 (3.1 Gen 1)	USB 3.2 Gen 1 (3.1 Gen 1), Wireless LAN
Networkidentical
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Security algorithmsKnown for one	Unknown — not stated by the source	64-bit WEP, 128-bit WEP, WPA-AES, WPA-PSK, WPA-TKIP, WPA2-AES, WPA2-PSK
Supported network protocols (IPv4)Known for one	Unknown — not stated by the source	DHCP, APIPA (Auto IP), WINS/NetBIOS, DNS Resolver, mDNS, SNMPv1/v2c, ICMP, Web Services(Scan), HTTP/HTTPS server, LLMNR responder,SNTP Client
Wi-Fi DirectKnown for one	Unknown — not stated by the source	Yes
Power3 differ
Power consumption (typical)Differs	2.3 W	3.6 W
Power consumption (standby)Differs	1.3 W	2.2 W
Power consumption (off)Differs	0.01 W	0.11 W
Weight & dimensions1 differ
WeightDiffers	390 g	590 g
Packaging data1 differ
Package weightDiffers	1.02 kg	1.23 kg
System requirements2 differ
Mac operating systems supportedDiffers	Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave	Yes
Windows operating systems supportedDiffers	Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterpris	Yes
Server operating systems supportedKnown for one	Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019	Unknown — not stated by the source
Operational conditionsidentical
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Other featuresidentical
Spare part retentionKnown for one	Unknown — not stated by the source	5 year(s)
Maximum media lengthKnown for one	182.9 cm	Unknown — not stated by the source
Maximum media widthKnown for one	215.9	Unknown — not stated by the source
Scan media weightKnown for one	35 - 270 g/m²	Unknown — not stated by the source
Logistics data5 differ
Products per palletDiffers	240 pc(s)	216 pc(s)
Master (outer) cases per palletDiffers	80 pc(s)	72 pc(s)
Master (outer) cases per pallet layerDiffers	10 pc(s)	9 pc(s)
Pallet gross heightDiffers	16.3 cm	15.9 cm
Pallet gross weightDiffers	242 kg	274.3 kg

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.

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