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Product comparison · 2 inkjet printers

HP Pro X451dw vs HP Pro X551dw

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  • 47specifications compared
  • 8differ
  • 39identical
  • 2known for one product only

Key differences

  • Maximum duty cycle
    • 50000 pages per month
    • 75000 pages per month
  • Print speed (black, normal quality, A4/US Letter)
    • 55 ppm
    • 70 ppm
  • Print speed (colour, normal quality, A4/US Letter)
    • 55 ppm
    • 70 ppm
  • USB 2.0 ports quantity
    • 2
    • 3
  • Display diagonal
    • 5.08 cm (2")
    • 10.9 cm (4.3")
  • Height
    • 380 mm
    • 414 mm
  • Weight
    • 17.4 kg
    • 17.7 kg

Side by side

Differences highlightedShow differences only
49 specifications
A

HP

Pro X451dwView product
B

HP

Pro X551dwView product
Features1 differ
ColourYesYes
Maximum duty cycleDiffers50000 pages per month75000 pages per month
Number of print cartridges44
Duplex printingYesYes
Page description languagesPCL 5c, PCL 6, PostScript 3PCL 5c, PCL 6, PostScript 3
Printing coloursBlack, Cyan, Magenta, YellowBlack, Cyan, Magenta, Yellow
Printing2 differ
Maximum resolution2400 x 1200 DPI2400 x 1200 DPI
Print resolution colour2400 x 1200 DPI2400 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)Differs55 ppm70 ppm
Print speed (colour, normal quality, A4/US Letter)Differs55 ppm70 ppm
Time to first page (black, normal)9.5 s9.5 s
Time to first page (colour, normal)9.5 s9.5 s
Input & output capacityidentical
Total number of input traysKnown for one2
Total output capacity300 sheets300 sheets
Maximum number of input trays33
Paper handling1 differ
Maximum ISO A-series paper sizeA4A4
Maximum print size216 x 356 mm216 x 356 mm
Paper tray media typesDiffersBond paper, Envelopes, Labels, Matte paper, Photo paper, Plain paper, Recycled paperBond paper, Card stock, Envelopes, Glossy paper, Labels, Matte paper, Photo paper, Plain paper, Recycled paper
ISO A-series sizes (A0...A9)A4, A5, A6A4, A5, A6
Non-ISO print media sizesHagaki card, LegalHagaki card, Legal
JIS B-series sizes (B0...B9)B5, B6B5, B6
Envelopes sizesB5, C5, C6, DLB5, C5, C6, DL
Paper tray media weightKnown for one60 - 120 g/m²
Ports & interfaces1 differ
USB portYesYes
USB 2.0 ports quantityDiffers23
Standard interfacesUSB 2.0USB 2.0
Networkidentical
Ethernet LANYesYes
Wi-FiYesYes
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Performanceidentical
Internal memory512 MB512 MB
Built-in processorYesYes
Processor frequency792 MHz792 MHz
Design1 differ
Market positioningBusinessBusiness
Product colourBlackBlack
Display diagonalDiffers5.08 cm (2")10.9 cm (4.3")
Poweridentical
Power consumption (printing)100 W100 W
Power consumption (standby)10 W10 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Operational conditionsidentical
Operating temperature (T-T)15 - 30 °C15 - 30 °C
Storage temperature (T-T)-40 - 60 °C-40 - 60 °C
Operating relative humidity (H-H)20 - 80%20 - 80%
Operating altitude0 - 3048 m0 - 3048 m
Non-operating altitude0 - 4572 m0 - 4572 m
Sustainabilityidentical
Sustainability certificatesENERGY STARENERGY STAR
Weight & dimensions2 differ
Width517 mm517 mm
Depth399 mm399 mm
HeightDiffers380 mm414 mm
WeightDiffers17.4 kg17.7 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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