Product comparison · 2 data projectors

BenQ CP120 DLP Projector vs Viewsonic Digital Projector PJ656

17specifications compared
14differ
3identical
20known for one product only

Key differences

Projector brightness
- CP120 DLP Projector:1500 ANSI lumens
- Digital Projector PJ656:2100 ANSI lumens
Projection technology
- CP120 DLP Projector:DLP
- Digital Projector PJ656:LCD
Contrast ratio (typical)
- CP120 DLP Projector:2000:1
- Digital Projector PJ656:400:1
Horizontal scan range
- CP120 DLP Projector:31 - 82 kHz
- Digital Projector PJ656:31 - 106 kHz
Vertical scan range
- CP120 DLP Projector:48 - 85 Hz
- Digital Projector PJ656:56 - 120 Hz
Lamp power
- CP120 DLP Projector:132 W
- Digital Projector PJ656:180 W
Noise level
- CP120 DLP Projector:35 dB
- Digital Projector PJ656:38 dB
Power consumption (typical)
- CP120 DLP Projector:190 W
- Digital Projector PJ656:290 W

Side by side

Differences highlightedShow differences only

Comparison of CP120 DLP Projector, Digital Projector PJ656
37 specifications	A BenQ CP120 DLP Projector View product	B Viewsonic Digital Projector PJ656 View product
Projector5 differ
Projector brightnessDiffers	1500 ANSI lumens	2100 ANSI lumens
Projection technologyDiffers	DLP	LCD
Projector native resolution	XGA (1024x768)	XGA (1024x768)
Contrast ratio (typical)Differs	2000:1	400:1
Horizontal scan rangeDiffers	31 - 82 kHz	31 - 106 kHz
Vertical scan rangeDiffers	48 - 85 Hz	56 - 120 Hz
Number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Light source1 differ
Light source type	Lamp	Lamp
Lamp typeKnown for one	Unknown — not stated by the source	UHB
Lamp powerDiffers	132 W	180 W
Service life of light sourceKnown for one	2000 h	Unknown — not stated by the source
Lens systemidentical
FocusKnown for one	Unknown — not stated by the source	Manual
Digital zoomKnown for one	Unknown — not stated by the source	1.2x
Throw ratioKnown for one	Unknown — not stated by the source	1.5 - 1.8:1
Zoom capabilityKnown for one	Yes	Unknown — not stated by the source
Zoom typeKnown for one	Manual	Unknown — not stated by the source
Features1 differ
Noise levelDiffers	35 dB	38 dB
Multimediaidentical
Number of built-in speakersKnown for one	Unknown — not stated by the source	1
Designidentical
Market positioning	Portable	Portable
Displayidentical
Display resolutionKnown for one	Unknown — not stated by the source	1600 x 1200 pixels
Power1 differ
Power consumption (typical)Differs	190 W	290 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 85%
Weight & dimensions1 differ
WeightDiffers	1.3 kg	2.8 kg
Other features5 differ
Aspect ratioDiffers	4:3, 16:9	4:3
Audio inputKnown for one	Unknown — not stated by the source	3.5mm stereo mini jack
Audio outputKnown for one	Unknown — not stated by the source	3.5mm stereo mini jack
Dimensions (WxDxH)Differs	218 x 172 x 61 mm	306 x 249 x 97 mm
Lens systemDiffers	F=2.6 - 2.9, f = 25.8 - 30mm	F1.7 - 1.9, f=18.9 - 22.6
Power requirementsDiffers	100 - 240V, 50/60 Hz	AC 100 - 120 / 200 - 240 V, 50 / 60Hz
Video inKnown for one	Unknown — not stated by the source	RCA jack
Digital keystone correctionKnown for one	Unknown — not stated by the source	± 15°
I/O portsDiffers	Analog RGB (D-sub 15 pin) Component Video(D-sub 15 pin) S-Video (mini DIN 4 pin) Composite video (1x RCA)	RGB-PC In(15-pin mini D-sub (x2)) / Out(15-pin mini D-sub), RCA jack (set), USB, 9-pin D-sub RS-232
Connectivity technologyKnown for one	Wireless	Unknown — not stated by the source
InterfaceKnown for one	USB, Wireless	Unknown — not stated by the source
Videoidentical
Full HDKnown for one	Yes	Unknown — not stated by the source
Networkidentical
Wi-Fi standardsKnown for one	802.11a, 802.11g, 802.11b	Unknown — not stated by the source

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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