All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 laser printers

HP LaserJet M451nw Colour vs Ricoh SP C831DN

Add a product
  • 35specifications compared
  • 30differ
  • 5identical
  • 52known for one product only

Key differences

  • Duplex printing
    • No
    • Yes
  • Maximum resolution
    • 600 x 600 DPI
    • 1200 x 1200 DPI
  • Print speed (black, normal quality, A4/US Letter)
    • 21 ppm
    • 55 ppm
  • Print speed (colour, normal quality, A4/US Letter)
    • 21 ppm
    • 55 ppm
  • Time to first page (black, normal)
    • 17 s
    • 3.4 s
  • Time to first page (colour, normal)
    • 17 s
    • 5.1 s
  • Total number of input trays
    • 2
    • 3
  • Total input capacity
    • 250 sheets
    • 1200 sheets

Side by side

Differences highlightedShow differences only
87 specifications
A

HP

LaserJet M451nw Colour

Model M451nw

View product
B

Ricoh

SP C831DNView product
Printing6 differ
Duplex printingDiffersNoYes
Duplex printing modeKnown for oneAuto
Maximum resolutionDiffers600 x 600 DPI1200 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)Differs21 ppm55 ppm
Print speed (colour, normal quality, A4/US Letter)Differs21 ppm55 ppm
Warm-up timeKnown for one25 s
Time to first page (black, normal)Differs17 s3.4 s
Time to first page (colour, normal)Differs17 s5.1 s
Featuresidentical
Maximum duty cycleKnown for one40000 pages per month
Recommended duty cycleKnown for one2000
Printing coloursKnown for oneBlack, Cyan, Magenta, Yellow
Number of print cartridgesKnown for one4
Input & output capacity5 differ
Total number of input traysDiffers23
Total input capacityDiffers250 sheets1200 sheets
Total output capacityDiffers150 sheets750 sheets
Paper input typeKnown for onePaper tray
Maximum number of input traysDiffers35
Maximum input capacityDiffers550 sheets4400 sheets
Maximum output capacityKnown for one4000 sheets
Multi-Purpose trayKnown for oneYes
Multi-Purpose tray input capacityKnown for one50 sheets
Paper handling8 differ
Maximum ISO A-series paper sizeDiffersA4A3
Maximum print sizeDiffers216 x 356 mm297 x 432 mm
Paper tray media typesDiffersBond paper, Card stock, Coated paper, Envelopes, Glossy paper, Labels, Photo paper, Plain paper, Pre-printed, Recycled paper, TransparenciesBond paper, Card stock, Plain paper, Pre-printed, Recycled paper
ISO A-series sizes (A0...A9)DiffersA4, A5, A6A3, A4, A5, A6
ISO B-series sizes (B0...B9)Known for oneB4, B5
Non-ISO print media sizesDiffersExecutive, Legal, LetterExecutive, Ledger (media size), Letter, Legal
Custom media widthDiffers76 - 126 mm148 - 297 mm
Custom media lengthDiffers216 - 356 mm182 - 432 mm
Paper tray media weightKnown for one52 - 256 g/m²
Duplex media weightKnown for one52 - 169 g/m²
Maximum media lengthDiffers35.6 cm43.2 cm
JIS B-series sizes (B0...B9)Known for oneB5
Envelopes sizesKnown for one10
Ports & interfaces2 differ
Standard interfacesDiffersEthernet, USB 2.0, Wireless LANEthernet, USB 2.0
Direct printingKnown for oneYes
USB 2.0 ports quantityDiffers14
Optional connectivityKnown for oneEthernet, Parallel, Wireless LAN
Networkidentical
Supported network protocols (IPv6)Known for oneTCP/IP
Wi-FiKnown for oneYes
Network readyKnown for oneYes
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Mobile printing technologiesKnown for oneApple AirPrint, HP ePrint
Performance3 differ
Internal memoryDiffers128 MB512 MB
Maximum internal memoryDiffers284 MB1538 MB
Internal storage capacityKnown for one250 GB
Storage mediaKnown for oneHDD
Card reader integratedKnown for oneYes
Compatible memory cardsKnown for oneSD
Built-in processorKnown for oneYes
Processor familyKnown for oneIntel® Celeron® M
Processor frequencyDiffers600 MHz1000 MHz
Design1 differ
Product colourDiffersBlack, WhiteBlack, Grey
Built-in displayKnown for oneYes
Colour displayKnown for oneYes
Display diagonalKnown for one10.9 cm (4.3")
TouchscreenKnown for oneYes
Control typeKnown for oneTouch
DisplayKnown for oneLCD
Power1 differ
Power consumption (printing)Differs425 W1584 W
Energy Star Typical Electricity Consumption (TEC)Known for one2638 kWh/week
Power consumption (PowerSave)Known for one15.2 W
Power consumption (off)Known for one0.5 W
System requirements3 differ
Windows operating systems supportedDiffersYesWindows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista
Mac operating systems supportedDiffersYesMac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion
Server operating systems supportedDiffersWindows Server 2003, Windows Server 2008, Windows Server 2008 x64Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2008 x64
Other operating systems supportedKnown for oneSolaris 10, Solaris 8, Solaris 9
Minimum RAMKnown for one1024 MB
Minimum processorKnown for one1GHz
Minimum storage drive spaceKnown for one400 MB
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions1 differ
WidthKnown for one670 mm
DepthKnown for one684 mm
HeightKnown for one640 mm
WeightDiffers22.7 kg97 kg
Dimensions (WxDxH)Known for one405 x 454 x 322 mm
Operational conditionsidentical
Operating temperature (T-T)Known for one15 - 30 °C
Packaging contentidentical
Drivers includedKnown for oneYes
Other featuresidentical
Power supply typeKnown for oneInternal
Number of power supply unitsKnown for one1
Mac compatibilityKnown for oneYes
DVD/CD printingKnown for oneNo

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.

More laser printer comparisons

All laser printer comparisons