Product comparison · 2 laser printers

HP Color LaserJet 2550N Colour vs HP LaserJet M451nw Colour

22specifications compared
15differ
7identical
45known for one product only

Key differences

Print speed (black, normal quality, A4/US Letter)
- Color LaserJet 2550N Colour:20 ppm
- LaserJet M451nw Colour:21 ppm
Time to first page (black, normal)
- Color LaserJet 2550N Colour:18 s
- LaserJet M451nw Colour:17 s
Time to first page (colour, normal)
- Color LaserJet 2550N Colour:29 s
- LaserJet M451nw Colour:17 s
Maximum duty cycle
- Color LaserJet 2550N Colour:30000 pages per month
- LaserJet M451nw Colour:40000 pages per month
Page description languages
- Color LaserJet 2550N Colour:PCL 6, PostScript 3
- LaserJet M451nw Colour:PCL 5c, PCL 6, PostScript 3
Total output capacity
- Color LaserJet 2550N Colour:125 sheets
- LaserJet M451nw Colour:150 sheets
Maximum input capacity
- Color LaserJet 2550N Colour:375 sheets
- LaserJet M451nw Colour:550 sheets
Internal memory
- Color LaserJet 2550N Colour:64 MB
- LaserJet M451nw Colour:128 MB

Side by side

Differences highlightedShow differences only

Comparison of 2550N, M451nw
67 specifications	A HP Color LaserJet 2550N Colour Model 2550N View product	B HP LaserJet M451nw Colour Model M451nw View product
Printing3 differ
Duplex printingKnown for one	Unknown — not stated by the source	No
Print speed (black, normal quality, A4/US Letter)Differs	20 ppm	21 ppm
Print speed (colour, normal quality, A4/US Letter)Known for one	Unknown — not stated by the source	21 ppm
Time to first page (black, normal)Differs	18 s	17 s
Time to first page (colour, normal)Differs	29 s	17 s
Print speed (colour, draft quality, A4/US Letter)Known for one	4 ppm	Unknown — not stated by the source
Features2 differ
Maximum duty cycleDiffers	30000 pages per month	40000 pages per month
Recommended duty cycleKnown for one	Unknown — not stated by the source	2000
Printing coloursKnown for one	Unknown — not stated by the source	Black, Cyan, Magenta, Yellow
Page description languagesDiffers	PCL 6, PostScript 3	PCL 5c, PCL 6, PostScript 3
Input & output capacity2 differ
Total number of input traysKnown for one	Unknown — not stated by the source	2
Total output capacityDiffers	125 sheets	150 sheets
Multi-Purpose trayKnown for one	Unknown — not stated by the source	Yes
Multi-Purpose tray input capacityKnown for one	Unknown — not stated by the source	50 sheets
Maximum number of input traysKnown for one	Unknown — not stated by the source	3
Maximum input capacityDiffers	375 sheets	550 sheets
Paper handling1 differ
Maximum ISO A-series paper sizeKnown for one	Unknown — not stated by the source	A4
Maximum print sizeKnown for one	Unknown — not stated by the source	216 x 356 mm
Paper tray media typesDiffers	Bond paper, Card stock, Envelopes, Labels, Plain paper, Pre-printed, Recycled paper, Transparencies	Bond paper, Card stock, Coated paper, Envelopes, Glossy paper, Labels, Photo paper, Plain paper, Pre-printed, Recycled paper, Transparencies
ISO A-series sizes (A0...A9)Known for one	Unknown — not stated by the source	A4, A5, A6
Non-ISO print media sizesKnown for one	Unknown — not stated by the source	Executive, Legal, Letter
JIS B-series sizes (B0...B9)Known for one	Unknown — not stated by the source	B5
Envelopes sizesKnown for one	Unknown — not stated by the source	10
Custom media widthKnown for one	Unknown — not stated by the source	76 - 126 mm
Custom media lengthKnown for one	Unknown — not stated by the source	216 - 356 mm
Maximum media lengthKnown for one	Unknown — not stated by the source	35.6 cm
Ports & interfaces1 differ
Standard interfacesDiffers	USB 2.0	Ethernet, USB 2.0, Wireless LAN
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Networkidentical
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Network readyKnown for one	Unknown — not stated by the source	Yes
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Mobile printing technologiesKnown for one	Unknown — not stated by the source	Apple AirPrint, HP ePrint
Performance3 differ
Internal memoryDiffers	64 MB	128 MB
Maximum internal memoryDiffers	192 MB	284 MB
Processor frequencyDiffers	264 MHz	600 MHz
Built-in processorKnown for one	Yes	Unknown — not stated by the source
Processor familyKnown for one	Motorola CFV4e	Unknown — not stated by the source
Designidentical
DisplayKnown for one	Unknown — not stated by the source	LCD
Power2 differ
Power consumption (printing)Differs	381 W	425 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	15.2 W
Power consumption (off)Differs	1 W	0.5 W
Power consumption (standby)Known for one	18 W	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Server operating systems supportedKnown for one	Unknown — not stated by the source	Windows Server 2003, Windows Server 2008, Windows Server 2008 x64
Minimum RAMKnown for one	Unknown — not stated by the source	1024 MB
Minimum processorKnown for one	Unknown — not stated by the source	1GHz
Minimum storage drive spaceKnown for one	Unknown — not stated by the source	400 MB
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	15 - 30 °C
Weight & dimensions1 differ
WeightDiffers	24.2 kg	22.7 kg
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	405 x 454 x 322 mm
WidthKnown for one	482 mm	Unknown — not stated by the source
DepthKnown for one	452 mm	Unknown — not stated by the source
HeightKnown for one	376 mm	Unknown — not stated by the source
Packaging contentidentical
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Power supply typeKnown for one	Unknown — not stated by the source	Internal
Number of power supply unitsKnown for one	Unknown — not stated by the source	1
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
DVD/CD printingKnown for one	Unknown — not stated by the source	No

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