Product comparison · 2 laser printers

HP LaserJet M451nw Colour vs HP Managed M651dnm

37specifications compared
24differ
13identical
34known for one product only

Key differences

Duplex printing
- LaserJet M451nw Colour:No
- Managed M651dnm:Yes
Maximum resolution
- LaserJet M451nw Colour:600 x 600 DPI
- Managed M651dnm:1200 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)
- LaserJet M451nw Colour:21 ppm
- Managed M651dnm:42 ppm
Print speed (colour, normal quality, A4/US Letter)
- LaserJet M451nw Colour:21 ppm
- Managed M651dnm:42 ppm
Time to first page (black, normal)
- LaserJet M451nw Colour:17 s
- Managed M651dnm:9 s
Time to first page (colour, normal)
- LaserJet M451nw Colour:17 s
- Managed M651dnm:9 s
Maximum duty cycle
- LaserJet M451nw Colour:40000 pages per month
- Managed M651dnm:180000 pages per month
Recommended duty cycle
- LaserJet M451nw Colour:2000
- Managed M651dnm:2000 - 30000 pages per month

Side by side

Differences highlightedShow differences only

Comparison of M451nw, Managed M651dnm
71 specifications	A HP LaserJet M451nw Colour Model M451nw View product	B HP Managed M651dnm View product
Printing6 differ
Colour	Yes	Yes
Print technology	Laser	Laser
Duplex printingDiffers	No	Yes
Maximum resolutionDiffers	600 x 600 DPI	1200 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)Differs	21 ppm	42 ppm
Print speed (colour, normal quality, A4/US Letter)Differs	21 ppm	42 ppm
Time to first page (black, normal)Differs	17 s	9 s
Time to first page (colour, normal)Differs	17 s	9 s
Print margins (top, bottom, right, left)Known for one	Unknown — not stated by the source	4.3 mm
Features2 differ
Maximum duty cycleDiffers	40000 pages per month	180000 pages per month
Recommended duty cycleDiffers	2000	2000 - 30000 pages per month
Printing colours	Black, Cyan, Magenta, Yellow	Black, Cyan, Magenta, Yellow
Number of print cartridges	4	4
Page description languages	PCL 5c, PCL 6, PostScript 3	PCL 5c, PCL 6, PostScript 3
Input & output capacity4 differ
Total number of input trays	2	2
Total input capacityDiffers	250 sheets	500 sheets
Total output capacityDiffers	150 sheets	500 sheets
Multi-Purpose tray	Yes	Yes
Multi-Purpose tray input capacityDiffers	50 sheets	100 sheets
Maximum number of input trays	3	3
Maximum input capacityDiffers	550 sheets	3100 sheets
Paper input typeKnown for one	Unknown — not stated by the source	Paper tray
Paper handling2 differ
Maximum ISO A-series paper size	A4	A4
Maximum print sizeKnown for one	216 x 356 mm	Unknown — not stated by the source
Paper tray media typesDiffers	Bond paper, Card stock, Coated paper, Envelopes, Glossy paper, Labels, Photo paper, Plain paper, Pre-printed, Recycled paper, Transparencies	Bond paper, Card stock, Envelopes, Glossy paper, Heavy paper, Labels, Plain paper, Pre-printed, Recycled paper, Rough paper, Transparencies
ISO A-series sizes (A0...A9)Differs	A4, A5, A6	A4
Non-ISO print media sizesKnown for one	Executive, Legal, Letter	Unknown — not stated by the source
JIS B-series sizes (B0...B9)Known for one	B5	Unknown — not stated by the source
Envelopes sizesKnown for one	10	Unknown — not stated by the source
Custom media widthKnown for one	76 - 126 mm	Unknown — not stated by the source
Custom media lengthKnown for one	216 - 356 mm	Unknown — not stated by the source
Maximum media lengthKnown for one	35.6 cm	Unknown — not stated by the source
Ports & interfaces1 differ
Standard interfacesDiffers	Ethernet, USB 2.0, Wireless LAN	Ethernet, USB 2.0
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Network2 differ
Wi-FiDiffers	Yes	No
Ethernet LAN	Yes	Yes
Network ready	Yes	Yes
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Mobile printing technologiesDiffers	Apple AirPrint, HP ePrint	Apple AirPrint, HP ePrint, Mopria Print Service
Performance3 differ
Internal memoryDiffers	128 MB	1536 MB
Maximum internal memoryDiffers	284 MB	1536 MB
Processor frequencyDiffers	600 MHz	800 MHz
Built-in processorKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Product colourDiffers	Black, White	Black, Grey
DisplayKnown for one	LCD	Unknown — not stated by the source
Built-in displayKnown for one	Unknown — not stated by the source	Yes
TouchscreenKnown for one	Unknown — not stated by the source	Yes
Control typeKnown for one	Unknown — not stated by the source	Touch
Power2 differ
Power consumption (printing)Differs	425 W	650 W
Power consumption (PowerSave)Known for one	15.2 W	Unknown — not stated by the source
Power consumption (off)Differs	0.5 W	0.1 W
Power consumption (standby)Known for one	Unknown — not stated by the source	8.5 W
System requirementsidentical
Windows operating systems supported	Yes	Yes
Mac operating systems supported	Yes	Yes
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Server operating systems supportedKnown for one	Windows Server 2003, Windows Server 2008, Windows Server 2008 x64	Unknown — not stated by the source
Minimum RAMKnown for one	1024 MB	Unknown — not stated by the source
Minimum processorKnown for one	1GHz	Unknown — not stated by the source
Minimum storage drive spaceKnown for one	400 MB	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	15 - 30 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	22.7 kg	39.1 kg
Dimensions (WxDxH)Known for one	405 x 454 x 322 mm	Unknown — not stated by the source
WidthKnown for one	Unknown — not stated by the source	550 mm
DepthKnown for one	Unknown — not stated by the source	520 mm
HeightKnown for one	Unknown — not stated by the source	455 mm
Packaging contentidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Power supply typeKnown for one	Internal	Unknown — not stated by the source
Number of power supply unitsKnown for one	1	Unknown — not stated by the source
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
DVD/CD printingKnown for one	No	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

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