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Product comparison · 2 multifunction printers

Epson WorkForce 635 Inkjet A4 vs Epson Stylus NX420 Inkjet A4

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  • 53specifications compared
  • 19differ
  • 34identical
  • 38known for one product only

Key differences

  • Duplex printing
    • Yes
    • No
  • Print speed (black, normal quality, A4/US Letter)
    • 15 ppm
    • 6.4 ppm
  • Print speed (colour, normal quality, A4/US Letter)
    • 7.2 ppm
    • 3.3 ppm
  • Optical scanning resolution
    • 2400 x 2400 DPI
    • 1200 x 1200 DPI
  • Scanner type
    • Flatbed & ADF scanner
    • Flatbed scanner
  • Faxing
    • Colour faxing
    • No
  • Photo paper sizes (imperial)
    • 4x6,5x7,8x10,8.5x11
    • 4x6,8x10,3.5x5
  • Borderless printing media sizes
    • 4x6, 5x7, A4
    • A4

Side by side

Differences highlightedShow differences only
91 specifications
A

Epson

WorkForce 635 Inkjet A4

Model 635

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B

Epson

Stylus NX420 Inkjet A4

Model NX420

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Printing3 differ
Duplex printingDiffersYesNo
Print speed (black, normal quality, A4/US Letter)Differs15 ppm6.4 ppm
Print speed (colour, normal quality, A4/US Letter)Differs7.2 ppm3.3 ppm
Duplex print speed (black, normal quality, A4/US Letter)Known for one7.5 ppm
Duplex print speed (colour, normal quality, A4/US Letter)Known for one4.5 ppm
DVD/CD printingKnown for oneNo
Copyingidentical
Duplex copyingKnown for oneNo
Scanning2 differ
Optical scanning resolutionDiffers2400 x 2400 DPI1200 x 1200 DPI
Scanner typeDiffersFlatbed & ADF scannerFlatbed scanner
Scan toKnown for oneMemory card, E-mail, Image, OCR
Duplex scanningKnown for oneNo
Fax1 differ
FaxingDiffersColour faxingNo
Fax transmission speedKnown for one3 sec/page
Modem speedKnown for one33.6 Kbit/s
Fax memoryKnown for one180 pages
Fax speed dialing (max numbers)Known for one60
Duplex faxingKnown for oneNo
Featuresidentical
All-In-One-multitaskingKnown for oneYes
Input & output capacityidentical
Total input capacityKnown for one250 sheets
Auto document feeder (ADF)Known for oneYes
Auto document feeder (ADF) input capacityKnown for one30 sheets
Maximum input capacityKnown for one100 sheets
Paper handling3 differ
Paper tray media typesDiffersBond paper, Envelopes, Glossy paper, Matte paper, Photo paper, Plain paperPhoto paper, Plain paper
Non-ISO print media sizesKnown for oneExecutive
Envelopes sizesKnown for one10
Photo paper sizes (imperial)Differs4x6,5x7,8x10,8.5x114x6,8x10,3.5x5
Borderless printing media sizesDiffers4x6, 5x7, A4A4
Maximum print sizeKnown for one210 x 297 mm
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one1
Networkidentical
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Performance1 differ
Compatible memory cardsDiffersCF, Memory Stick (MS), MicroDrive, microSDHC, miniSD, miniSDHC, MMC, MMC+, MMCmicro, MS Duo, MS Micro (M2), MS PRO, MS PRO Duo, SD, SDHC, xDMemory Stick (MS), microSDHC, miniSD, miniSDHC, MS PRO, MS PRO Duo, MS Pro-HG Duo, SD, SDHC, xD
Sound pressure level (printing)Known for one38 dB
Sound pressure level (duplex printing)Known for one38 dB
Sound pressure level (copying)Known for one38 dB
Sound pressure level (scanning)Known for one38 dB
Sound power level (standby)Known for one38 dB
Design1 differ
Display diagonalDiffers6.35 cm (2.5")3.81 cm (1.5")
Power1 differ
Power consumption (average operating)Differs16 W13 W
Power consumption (off)Known for one0.2 W
Power consumption (PowerSave)Known for one0.2 W
Operational conditions1 differ
Operating temperature (T-T)Differs10 - 35 °C50 - 95 °F
Certificatesidentical
CertificationKnown for oneRoHS
Weight & dimensions1 differ
WeightDiffers7.62 kg5.58 kg
Packaging contentidentical
Drivers includedKnown for oneYes
Bundled softwareKnown for oneEpson Easy Photo Print, Epson Scan, ABBYY FineReader
Other features5 differ
Dimensions (WxDxH)Differs447 x 556.3 x 231.1 mm449 x 541 x 297 mm
All-in-one functionsDiffersCopy, Fax, Print, ScanCopy, Print, Scan
Colour all-in-one functionsDiffersCopy, Fax, Print, ScanCopy, Print, Scan
Compatible operating systemsDiffersWindows 7, Windows Vista, Windows XP, Windows XP x64 Mac OS X, 10.4.11, 10.5.8 and 10.6.x- Windows 7, Windows Vista, Windows XP, Windows XP x64 - Mac OS X 10.4.11, 10.5.8, 10.6.x
Network readyKnown for oneYes
PictBridgeKnown for oneYes
SafetyDiffersUL60950, CSA C22.2 No. 60950 EMI FCC Part 15 subpart B B, CAN/CSA-CEI/IEC CISPR 22 BUL60950, CSA C22.2 No. 60950, EMI FCC Part 15 subpart B class B, CAN / CSA – CEI / IEC CISPR 22 class B
Hardware scan resolutionKnown for one1200 x 2400 DPI
Colour scanningKnown for oneYes
Connectivity technologyKnown for oneWired & Wireless
System requirementsidentical
Windows operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes

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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