Product comparison · 2 data projectors

Dell 1550 data projector Standard throw projector 3800 ANSI lumens DLP XGA (1024x768) 3D Black vs Viewsonic LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black

34specifications compared
17differ
17identical
41known for one product only

Key differences

Projector brightness
- 1550 data projector Standard throw projector 3800 ANSI lumens DLP XGA (1024x768) 3D Black:3800 ANSI lumens
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:3500 ANSI lumens
Projector native resolution
- 1550 data projector Standard throw projector 3800 ANSI lumens DLP XGA (1024x768) 3D Black:XGA (1024x768)
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:1080p (1920x1080)
Projection distance
- 1550 data projector Standard throw projector 3800 ANSI lumens DLP XGA (1024x768) 3D Black:1.2 - 10 m
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:0.37 - 0.8 m
Contrast ratio (dynamic)
- 1550 data projector Standard throw projector 3800 ANSI lumens DLP XGA (1024x768) 3D Black:10000:1
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:100000:1
Service life of light source
- 1550 data projector Standard throw projector 3800 ANSI lumens DLP XGA (1024x768) 3D Black:3000 h
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:15000 h
Lamp power
- 1550 data projector Standard throw projector 3800 ANSI lumens DLP XGA (1024x768) 3D Black:260 W
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:390 W
3D
- 1550 data projector Standard throw projector 3800 ANSI lumens DLP XGA (1024x768) 3D Black:Yes
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:No
Component video (YPbPr/YCbCr) in
- 1550 data projector Standard throw projector 3800 ANSI lumens DLP XGA (1024x768) 3D Black:0
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:1

Side by side

Differences highlightedShow differences only

Comparison of 1550, LS820
75 specifications	A Dell 1550 data projector Standard throw projector 3800 ANSI lumens DLP XGA (1024x768) 3D Black Model 1550 View product	B Viewsonic LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black Model LS820 View product
Projector4 differ
Projector brightnessDiffers	3800 ANSI lumens	3500 ANSI lumens
Projection technologyKnown for one	DLP	Unknown — not stated by the source
Projector native resolutionDiffers	XGA (1024x768)	1080p (1920x1080)
Contrast ratio (typical)Known for one	2200:1	Unknown — not stated by the source
Native aspect ratioKnown for one	4:3	Unknown — not stated by the source
Screen size compatibilityKnown for one	779.8 - 7810.5 mm (30.7 - 307.5")	Unknown — not stated by the source
Projection distanceDiffers	1.2 - 10 m	0.37 - 0.8 m
Contrast ratio (dynamic)Differs	10000:1	100000:1
Number of coloursKnown for one	1.073 billion colours	Unknown — not stated by the source
UniformityKnown for one	85%	Unknown — not stated by the source
Light source2 differ
Service life of light sourceDiffers	3000 h	15000 h
Service life of light source (economic mode)Known for one	5000 h	Unknown — not stated by the source
Lamp powerDiffers	260 W	390 W
Lens systemidentical
Focal length rangeKnown for one	2.4 - 2.66 mm	Unknown — not stated by the source
Optical zoomKnown for one	1.2x	Unknown — not stated by the source
Throw ratioKnown for one	1.6 - 1.92:1	Unknown — not stated by the source
Video1 differ
Analog signal format systemKnown for one	NTSC 3.58, NTSC 4.43, PAL BG, PAL D, PAL H, PAL I, PAL M, PAL N, SECAM B/G, SECAM D/K, SECAM K1, SECAM L	Unknown — not stated by the source
HD-ReadyKnown for one	Yes	Unknown — not stated by the source
3DDiffers	Yes	No
Supported video modesKnown for one	480i, 480p, 576i, 576p, 720p, 1080i, 1080p	Unknown — not stated by the source
Ports & interfaces3 differ
HDMI versionKnown for one	1.4a	Unknown — not stated by the source
Component video (YPbPr/YCbCr) inDiffers	0	1
DVI portKnown for one	No	Unknown — not stated by the source
S-Video inputs quantityDiffers	0	1
USB 2.0 ports quantityDiffers	2	1
Serial interface typeKnown for one	RS-232	Unknown — not stated by the source
PC Audio inKnown for one	Yes	Unknown — not stated by the source
PC Audio outKnown for one	Yes	Unknown — not stated by the source
Networkidentical
BluetoothKnown for one	Unknown — not stated by the source	No
Featuresidentical
Noise levelKnown for one	37 dB	Unknown — not stated by the source
Noise level (economic mode)Known for one	32 dB	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Multimedia1 differ
Number of built-in speakersDiffers	1	2
Design2 differ
Product typeDiffers	Standard throw projector	Ultra short throw projector
Market positioningKnown for one	Presentation	Unknown — not stated by the source
PlacementDiffers	Desktop, Ceiling	Desktop
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	315 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.5 W	Unknown — not stated by the source
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	3.5 kg	10 kg
WidthDiffers	320 mm	508 mm
DepthDiffers	250 mm	165.1 mm
HeightDiffers	95 mm	391.9 mm
Package widthKnown for one	Unknown — not stated by the source	549.9 mm
Package depthKnown for one	Unknown — not stated by the source	309.8 mm
Package heightKnown for one	Unknown — not stated by the source	558.8 mm
Packaging contentidentical
Remote control typeKnown for one	IR	Unknown — not stated by the source
Batteries includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	VGA	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	85286200	Unknown — not stated by the source
Other featuresidentical
RS-232 portsKnown for one	1	Unknown — not stated by the source
Number of bulbsKnown for one	Unknown — not stated by the source	1 bulb(s)

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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