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Product comparison · 2 multifunction printers

Epson EcoTank ET-4905 vs Epson WorkForce Pro WF-3920 Inkjet A4

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  • 37specifications compared
  • 13differ
  • 24identical
  • 45known for one product only

Key differences

The Epson EcoTank ET-4905 has 12 ppm more print speed (black, normal quality, A4/US Letter) than the Epson WorkForce Pro WF-3920 Inkjet A4 (33 ppm vs 21 ppm). The Epson EcoTank ET-4905 has 5 ppm more print speed (colour, normal quality, A4/US Letter) than the Epson WorkForce Pro WF-3920 Inkjet A4 (15 ppm vs 10 ppm). The Epson EcoTank ET-4905 has 20 sheets more total output capacity than the Epson WorkForce Pro WF-3920 Inkjet A4 (100 sheets vs 80 sheets). Maximum resolution: 5760 x 1440 DPI on the Epson EcoTank ET-4905, 4800 x 1200 DPI on the Epson WorkForce Pro WF-3920 Inkjet A4. ISO B-series sizes (B0...B9): B5, B6 on the Epson EcoTank ET-4905, B5 on the Epson WorkForce Pro WF-3920 Inkjet A4.

  • Maximum resolution
    • 5760 x 1440 DPI
    • 4800 x 1200 DPI
  • Print speed (black, normal quality, A4/US Letter)
    • 33 ppm
    • 21 ppm
  • Print speed (colour, normal quality, A4/US Letter)
    • 15 ppm
    • 10 ppm
  • Total output capacity
    • 100 sheets
    • 80 sheets
  • Auto document feeder (ADF) input capacity
    • 30 sheets
    • 35 sheets
  • ISO B-series sizes (B0...B9)
    • B5, B6
    • B5
  • Power consumption (ready)
    • 6 W
    • 6.2 W
  • Width
    • 375 mm
    • 425 mm

Side by side

Differences highlightedShow differences only
82 specifications
A

Epson

EcoTank ET-4905View product
B

Epson

WorkForce Pro WF-3920 Inkjet A4

Model WF-3920

View product
Printing3 differ
Duplex printingKnown for oneYes
Maximum resolutionDiffers5760 x 1440 DPI4800 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)Differs33 ppm21 ppm
Print speed (colour, normal quality, A4/US Letter)Differs15 ppm10 ppm
Duplex print speed (black, normal quality, A4/US Letter)Known for one12 ppm
Duplex print speed (colour, normal quality, A4/US Letter)Known for one7 ppm
Print speed (ISO/IEC 24734) blackKnown for one11 ppm
Print speed (ISO/IEC 24734) colourKnown for one6 ppm
Borderless printingKnown for oneYes
Copyingidentical
Duplex copyingKnown for oneNo
Scanningidentical
Duplex scanningKnown for oneNo
Optical scanning resolution (ADF)Known for one600 x 600 DPI
Maximum scan areaKnown for one216 x 297 mm
Scanner typeKnown for oneFlatbed & ADF scanner
Scan toKnown for onePC, E-mail, Cloud
Faxidentical
FaxingKnown for oneColour faxing
Fax memoryKnown for one100 pages
Featuresidentical
Maximum duty cycleKnown for one1000 pages per month
Recommended duty cycleKnown for one200 - 1000 pages per month
Duplex functionsKnown for oneScan, Print
Ink tank systemKnown for oneYes
Input & output capacity2 differ
Total input capacityKnown for one250 sheets
Total output capacityDiffers100 sheets80 sheets
Paper tray 1 input capacityKnown for one250 sheets
Auto document feeder (ADF) input capacityDiffers30 sheets35 sheets
Paper handling1 differ
Paper tray media typesKnown for oneEnvelopes, Letterhead, Photo paper
ISO B-series sizes (B0...B9)DiffersB5, B6B5
Envelopes sizesKnown for oneDL, 10
Photo paper sizesKnown for one13x18 cm
Borderless printing media sizesKnown for one10x15
Network2 differ
Cabling technologyKnown for one10/100Base-T(X)
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithmsDiffers128-bit WEP, 64-bit WEP, WPA2-AES, WPA2-PSK, WPA3-SAE64-bit WEP, 128-bit WEP, WPA2-PSK, WPA3-Enterprise
Supported network protocols (IPv4)Known for oneTCP
Supported network protocols (IPv6)Known for oneTCP
Mobile printing technologiesKnown for oneMopria Print Service, Apple AirPrint, Epson Connect, Epson Smart Panel
Designidentical
Display diagonalKnown for one6.1 cm (2.4")
Control typeKnown for oneTouch
Colour displayKnown for oneYes
Power1 differ
Power consumption (max)Known for one16 W
Power consumption (ready)Differs6 W6.2 W
Power consumption (sleep)Known for one0.7 W
AC input frequencyKnown for one50/60 Hz
AC input voltageKnown for one100 - 240 V
Power consumption (average operating)Known for one12 W
Power consumption (PowerSave)Known for one0.5 W
System requirementsidentical
Windows operating systems supportedKnown for oneWindows 10, Windows 11, Windows 7, Windows 8
Mac operating systems supportedKnown for oneYes
Server operating systems supportedKnown for oneWindows Server 2012 R2, Windows Server 2008 R2, Windows Server 2019, Windows Server 2022, Windows Server 2025
Weight & dimensions4 differ
WidthDiffers375 mm425 mm
DepthDiffers317 mm379 mm
HeightDiffers224 mm249 mm
WeightDiffers5.5 kg8.8 kg
Other featuresidentical
Printing methodKnown for oneEpson PrecisionCore
Noise levelKnown for one6.6 dB
Print head nozzlesKnown for one800 Nozzles Black, 256 Nozzles per Color
Warranty periodKnown for one1 year(s)

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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