Product comparison · 2 laser printers

HP LaserJet M451dn Colour vs Samsung ML-2168 laser printer

36specifications compared
29differ
7identical
36known for one product only

Key differences

Colour
- LaserJet M451dn Colour:Yes
- ML-2168 laser printer:No
Duplex printing
- LaserJet M451dn Colour:Yes
- ML-2168 laser printer:No
Maximum resolution
- LaserJet M451dn Colour:600 x 600 DPI
- ML-2168 laser printer:1200 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)
- LaserJet M451dn Colour:21 ppm
- ML-2168 laser printer:20 ppm
Time to first page (black, normal)
- LaserJet M451dn Colour:17 s
- ML-2168 laser printer:8.5 s
Maximum duty cycle
- LaserJet M451dn Colour:40000 pages per month
- ML-2168 laser printer:10000 pages per month
Printing colours
- LaserJet M451dn Colour:Black, Cyan, Magenta, Yellow
- ML-2168 laser printer:Black
Number of print cartridges
- LaserJet M451dn Colour:4
- ML-2168 laser printer:1

Side by side

Differences highlightedShow differences only

Comparison of M451dn, ML-2168
72 specifications	A HP LaserJet M451dn Colour Model M451dn View product	B Samsung ML-2168 laser printer Model ML-2168 View product
Printing5 differ
ColourDiffers	Yes	No
Print technology	Laser	Laser
Duplex printingDiffers	Yes	No
Maximum resolutionDiffers	600 x 600 DPI	1200 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)Differs	21 ppm	20 ppm
Print speed (colour, normal quality, A4/US Letter)Known for one	21 ppm	Unknown — not stated by the source
Time to first page (black, normal)Differs	17 s	8.5 s
Time to first page (colour, normal)Known for one	17 s	Unknown — not stated by the source
Features4 differ
Maximum duty cycleDiffers	40000 pages per month	10000 pages per month
Recommended duty cycleKnown for one	2000	Unknown — not stated by the source
Printing coloursDiffers	Black, Cyan, Magenta, Yellow	Black
Number of print cartridgesDiffers	4	1
Page description languagesDiffers	PCL 5c, PCL 6, PostScript 3	SPL
Input & output capacity2 differ
Total number of input traysKnown for one	2	Unknown — not stated by the source
Total input capacityDiffers	250 sheets	150 sheets
Total output capacityDiffers	150 sheets	100 sheets
Multi-Purpose trayKnown for one	Yes	Unknown — not stated by the source
Multi-Purpose tray input capacityKnown for one	50 sheets	Unknown — not stated by the source
Maximum number of input traysKnown for one	3	Unknown — not stated by the source
Maximum input capacityKnown for one	550 sheets	Unknown — not stated by the source
Paper handling5 differ
Maximum ISO A-series paper size	A4	A4
Maximum print size	216 x 356 mm	216 x 356 mm
Paper tray media typesDiffers	Bond paper, Card stock, Envelopes, Glossy paper, Labels, Plain paper, Pre-printed, Recycled paper, Transparencies	Card stock, Envelopes, Labels, Plain paper
Multi-purpose tray media typesKnown for one	Bond paper, Envelopes, Labels, Letterhead, Plain paper, Recycled paper, Transparencies	Unknown — not stated by the source
ISO A-series sizes (A0...A9)Differs	A4, A5, A6	A4, A5
Non-ISO print media sizesDiffers	Executive, Legal, Letter	Executive, Folio, Letter, Oficio, Legal
Custom media widthDiffers	76 - 126 mm	76 - 216 mm
Custom media lengthDiffers	216 - 356 mm	127 - 356 mm
ISO B-series sizes (B0...B9)Known for one	Unknown — not stated by the source	B5
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, C5, DL
Ports & interfaces1 differ
Standard interfacesDiffers	Ethernet, USB 2.0	USB 2.0
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Network2 differ
Wi-Fi	No	No
Ethernet LANDiffers	Yes	No
Network readyDiffers	Yes	No
Performance2 differ
Internal memoryDiffers	128 MB	8 MB
Maximum internal memoryKnown for one	384 MB	Unknown — not stated by the source
Processor frequencyDiffers	600 MHz	300 MHz
Built-in processorKnown for one	Unknown — not stated by the source	Yes
Sound pressure level (printing)Known for one	Unknown — not stated by the source	50 dB
Sound power level (standby)Known for one	Unknown — not stated by the source	26 dB
Design2 differ
Product colourDiffers	Black, White	White
DisplayDiffers	LCD	No
Power1 differ
Power consumption (printing)Differs	425 W	310 W
Power consumption (PowerSave)Known for one	15.2 W	Unknown — not stated by the source
Power consumption (off)Known for one	0.5 W	Unknown — not stated by the source
Power consumption (standby)Known for one	Unknown — not stated by the source	30 W
System requirements3 differ
Windows operating systems supportedDiffers	Yes	Windows 2000, Windows 2000 Professional, 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 Business, Windows Vista Business x64, Windows Vista Hom
Mac operating systems supportedDiffers	Yes	Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion
Linux operating systems supported	Yes	Yes
Server operating systems supportedDiffers	Windows Server 2003, Windows Server 2003 x64, Windows Server 2008	Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64
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	59 - 86 °F	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 40 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 80%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	20 - 70%	Unknown — not stated by the source
Weight & dimensions2 differ
WeightDiffers	23.6 kg	4 kg
Dimensions (WxDxH)Differs	405 x 484 x 322 mm	331 x 215 x 178 mm
Packaging contentidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Mac compatibility	Yes	Yes
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u	Unknown — not stated by the source
Networking featuresKnown for one	Fast Ethernet	Unknown — not stated by the source
Power LED	Yes	Yes
Stand-by LEDKnown for one	Yes	Unknown — not stated by the source
Depth (imperial)Known for one	Unknown — not stated by the source	21.6 cm (8.5")
Height (imperial)Known for one	Unknown — not stated by the source	17.8 cm (7")
LegalKnown for one	Unknown — not stated by the source	Yes
Standard input traysKnown for one	Unknown — not stated by the source	1
Width (imperial)Known for one	Unknown — not stated by the source	33 cm (13")

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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