Product comparison · 2 data projectors

BenQ SP820 + f.SP820 P vs LG DS420 data projector 2000 ANSI lumens DLP SVGA (800x600)

19specifications compared
9differ
10identical
15known for one product only

Key differences

Projector brightness
- SP820 + f.SP820 P:4000 ANSI lumens
- DS420 data projector 2000 ANSI lumens DLP SVGA (800x600):2000 ANSI lumens
Projector native resolution
- SP820 + f.SP820 P:XGA (1024x768)
- DS420 data projector 2000 ANSI lumens DLP SVGA (800x600):SVGA (800x600)
Service life of light source
- SP820 + f.SP820 P:2000 h
- DS420 data projector 2000 ANSI lumens DLP SVGA (800x600):3000 h
Service life of light source (economic mode)
- SP820 + f.SP820 P:3000 h
- DS420 data projector 2000 ANSI lumens DLP SVGA (800x600):4000 h
Lamp power
- SP820 + f.SP820 P:280 W
- DS420 data projector 2000 ANSI lumens DLP SVGA (800x600):180 W
Noise level
- SP820 + f.SP820 P:33 dB
- DS420 data projector 2000 ANSI lumens DLP SVGA (800x600):30 dB
Power consumption (typical)
- SP820 + f.SP820 P:350 W
- DS420 data projector 2000 ANSI lumens DLP SVGA (800x600):230 W
Weight
- SP820 + f.SP820 P:3.73 kg
- DS420 data projector 2000 ANSI lumens DLP SVGA (800x600):2.54 kg

Side by side

Differences highlightedShow differences only

Comparison of SP820 + f.SP820 P, DS420
34 specifications	A BenQ SP820 + f.SP820 P View product	B LG DS420 data projector 2000 ANSI lumens DLP SVGA (800x600) Model DS420 View product
Projector2 differ
Projector brightnessDiffers	4000 ANSI lumens	2000 ANSI lumens
Projection technology	DLP	DLP
Projector native resolutionDiffers	XGA (1024x768)	SVGA (800x600)
Contrast ratio (typical)	2000:1	2000:1
Screen size compatibilityKnown for one	300	Unknown — not stated by the source
Horizontal scan rangeKnown for one	31 - 90 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	50 - 85 Hz	Unknown — not stated by the source
Light source3 differ
Light source type	Lamp	Lamp
Service life of light sourceDiffers	2000 h	3000 h
Service life of light source (economic mode)Differs	3000 h	4000 h
Lamp powerDiffers	280 W	180 W
Lens systemidentical
Zoom ratioKnown for one	1.15:1	Unknown — not stated by the source
FocusKnown for one	Unknown — not stated by the source	Manual
Ports & interfacesidentical
VGA (D-Sub) ports quantity	1	1
Component video (YPbPr/YCbCr) in	1	1
Composite video in	1	1
DVI portKnown for one	Yes	Unknown — not stated by the source
S-Video inputs quantity	1	1
USB 2.0 ports quantity	1	1
Serial interface typeKnown for one	RS-232	Unknown — not stated by the source
Features1 differ
Noise levelDiffers	33 dB	30 dB
Multimediaidentical
Number of built-in speakers	1	1
RMS rated powerKnown for one	Unknown — not stated by the source	1 W
Displayidentical
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Differs	350 W	230 W
Weight & dimensions1 differ
WeightDiffers	3.73 kg	2.54 kg
Other features1 differ
Aspect ratio	4:3, 16:9	4:3, 16:9
Audio inputKnown for one	Mini jack x 1, RCA L& R x 1	Unknown — not stated by the source
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
Dimensions (WxDxH)Differs	300 x 244 x 88 mm	280 x 205 x 80 mm
Power supply typeKnown for one	90 - 240 VAC, 50 - 60 Hz	Unknown — not stated by the source
RS-232 portsKnown for one	1	Unknown — not stated by the source
Power requirementsKnown for one	Unknown — not stated by the source	AC100~240V
Video inKnown for one	Unknown — not stated by the source	NTSC/NTSC4.43,PAL B/G/H/I/M/N/60,SECAM

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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