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Product comparison · 2 multifunction printers

HP DeskJet 3638 All-in-One Printer vs HP OfficeJet 8720 Thermal inkjet A4

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  • 72specifications compared
  • 45differ
  • 27identical
  • 28known for one product only

Key differences

  • Duplex printing
    • No
    • Yes
  • Duplex printing mode
    • Manual
    • Auto
  • Print speed (black, normal quality, A4/US Letter)
    • 8.5 ppm
    • 24 ppm
  • Print speed (colour, normal quality, A4/US Letter)
    • 6 ppm
    • 20 ppm
  • Print speed (black, draft quality, A4/US Letter)
    • 20 ppm
    • 37 ppm
  • Print speed (colour, draft quality, A4/US Letter)
    • 16 ppm
    • 37 ppm
  • Time to first page (black, normal)
    • 14 s
    • 9 s
  • Time to first page (colour, normal)
    • 17 s
    • 10 s

Side by side

Differences highlightedShow differences only
100 specifications
A

HP

DeskJet 3638 All-in-One Printer

Model 3638

View product
B

HP

OfficeJet 8720 Thermal inkjet A4

Model 8720

View product
Printing9 differ
Print technologyThermal inkjetThermal inkjet
PrintingColour printingColour printing
Duplex printingDiffersNoYes
Duplex printing modeDiffersManualAuto
Maximum resolution4800 x 1200 DPI4800 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)Differs8.5 ppm24 ppm
Print speed (colour, normal quality, A4/US Letter)Differs6 ppm20 ppm
Print speed (black, draft quality, A4/US Letter)Differs20 ppm37 ppm
Print speed (colour, draft quality, A4/US Letter)Differs16 ppm37 ppm
Time to first page (black, normal)Differs14 s9 s
Time to first page (colour, normal)Differs17 s10 s
Print margins (top, bottom, right, left)Differs3 mm3.3 mm
Copying5 differ
CopyingColour copyingColour copying
Maximum copy resolutionDiffers600 x 300 DPI600 x 600 DPI
Copy speed (black, normal quality, A4)Differs5 cpm22 cpm
Copy speed (colour, normal quality, A4)Differs3.5 cpm16 cpm
Copy speed (black, draft, A4)Known for one37 cpm
Copy speed (colour, draft, A4)Known for one37 cpm
Maximum number of copiesDiffers9 copies99 copies
Copier resizeDiffers25 - 200%25 - 400%
Duplex copyingKnown for oneNo
Scanning4 differ
ScanningColour scanningColour scanning
Optical scanning resolution1200 x 1200 DPI1200 x 1200 DPI
Maximum scan areaDiffers216 x 297 mm216 x 356 mm
Scanner typeDiffersFlatbed scannerFlatbed & ADF scanner
Scan technologyCISCIS
Scan toKnown for oneE-mail
Scan speed (black)Known for one17 inch/min
Scan speed (colour)Known for one8 inch/min
Image formats supportedDiffersBMP, JPEG, PNG, TIFFBMP, JPG, PNG, TIF
Document formats supportedDiffersPDFPDF, RTF, TXT
Input colour depth24 bit24 bit
Greyscale levels256256
TWAIN versionKnown for one1.9
Duplex scanningKnown for oneNo
Fax1 differ
FaxingDiffersNoColour faxing
Fax transmission speedKnown for one4 sec/page
Fax memoryKnown for one100 pages
Fax broadcastingKnown for one20 locations
Duplex faxingKnown for oneNo
Features4 differ
Maximum duty cycleDiffers1000 pages per month30000 pages per month
Recommended duty cycleDiffers100 - 250 pages per month250 - 2000 pages per month
Digital senderDiffersNoYes
Number of print cartridgesDiffers24
Printing coloursBlack, Cyan, Magenta, YellowBlack, Cyan, Magenta, Yellow
Page description languagesPCL 3PCL 3
All-In-One-multitaskingYesYes
Input & output capacity3 differ
Total input capacityDiffers60 sheets250 sheets
Total output capacityDiffers25 sheets150 sheets
Paper input typePaper trayPaper tray
Maximum output capacityDiffers25 sheets150 sheets
Total number of input traysKnown for one1
Maximum number of input traysKnown for one1
Paper handling2 differ
Maximum ISO A-series paper sizeA4A4
Paper tray media typesDiffersCard stock, Envelopes, Labels, Photo paper, Plain paperGlossy paper, Matte paper, Photo paper, Plain paper
ISO A-series sizes (A0...A9)A4, A5, A6A4, A5, A6
JIS B-series sizes (B0...B9)B5B5
Envelopes sizesDiffers6 3/4, 10, C5, C6, DL, MonarchC5, C6, DL
Non-ISO print media sizesKnown for oneExecutive, Legal, Letter, Statement
Ports & interfaces2 differ
Standard interfacesDiffersUSB 2.0, Wireless LANEthernet, RJ-11, USB 2.0, Wireless LAN
Direct printingDiffersYesNo
USB portYesYes
RJ-11 ports quantityKnown for one1
USB 2.0 ports quantityKnown for one1
Network1 differ
Wi-FiYesYes
Ethernet LANDiffersNoYes
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Mobile printing technologiesApple AirPrint, HP ePrint, Mopria Print ServiceApple AirPrint, HP ePrint, Mopria Print Service
Performance1 differ
Internal memoryDiffers64 MB256 MB
Maximum internal memoryKnown for one256 MB
Card reader integratedNoNo
Built-in processorKnown for oneYes
Processor frequencyKnown for one600 MHz
Design2 differ
Product colourDiffersBlue, WhiteBlack, Grey
Market positioningDiffersHome & officeBusiness
Built-in displayYesYes
Display diagonalKnown for one10.9 cm (4.3")
TouchscreenKnown for oneYes
Control typeKnown for oneTouch
Colour displayKnown for oneYes
DisplayKnown for oneLCD
Power4 differ
Power consumption (average operating)Differs10 W35 W
Power consumption (standby)Differs2.1 W6.7 W
Power consumption (sleep)Differs0.88 W1.3 W
Power consumption (off)Differs0.07 W0.14 W
AC input frequency50 - 60 Hz50 - 60 Hz
AC input voltage100 - 240 V100 - 240 V
Brand-specific featuresidentical
HP Dynamic securityKnown for oneYes
System requirements2 differ
Windows operating systems supportedDiffersWindows 10, Windows 7, Windows 8, Windows VistaYes
Mac operating systems supportedDiffersMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 MavericksYes
Linux operating systems supportedKnown for oneYes
Operational conditions1 differ
Operating relative humidity (H-H)Differs20 - 80%25 - 75%
Operating temperature (T-T)5 - 40 °C5 - 40 °C
Storage temperature (T-T)-40 - 60 °C-40 - 60 °C
Storage relative humidity (H-H)Known for one5 - 90%
Sustainabilityidentical
Sustainability certificatesENERGY STARENERGY STAR
Weight & dimensions4 differ
WidthDiffers454 mm499.5 mm
DepthDiffers310 mm449.7 mm
HeightDiffers157.5 mm339.1 mm
WeightDiffers4.2 kg15 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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