Product comparison · 2 data projectors

Dell 1650 data projector Standard throw projector 3800 ANSI lumens DLP WXGA (1280x800) Black vs Viewsonic LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black

31specifications compared
16differ
15identical
40known for one product only

Key differences

Projector brightness
- 1650 data projector Standard throw projector 3800 ANSI lumens DLP WXGA (1280x800) Black:3800 ANSI lumens
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:3500 ANSI lumens
Projector native resolution
- 1650 data projector Standard throw projector 3800 ANSI lumens DLP WXGA (1280x800) Black:WXGA (1280x800)
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:1080p (1920x1080)
Projection distance
- 1650 data projector Standard throw projector 3800 ANSI lumens DLP WXGA (1280x800) 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)
- 1650 data projector Standard throw projector 3800 ANSI lumens DLP WXGA (1280x800) Black:10000:1
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:100000:1
Service life of light source
- 1650 data projector Standard throw projector 3800 ANSI lumens DLP WXGA (1280x800) Black:3000 h
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:15000 h
Lamp power
- 1650 data projector Standard throw projector 3800 ANSI lumens DLP WXGA (1280x800) Black:260 W
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:390 W
Component video (YPbPr/YCbCr) in
- 1650 data projector Standard throw projector 3800 ANSI lumens DLP WXGA (1280x800) Black:0
- LS820 data projector Ultra short throw projector 3500 ANSI lumens 1080p (1920x1080) Black:1
S-Video inputs quantity
- 1650 data projector Standard throw projector 3800 ANSI lumens DLP WXGA (1280x800) 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 1650, LS820
71 specifications	A Dell 1650 data projector Standard throw projector 3800 ANSI lumens DLP WXGA (1280x800) Black Model 1650 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	WXGA (1280x800)	1080p (1920x1080)
Contrast ratio (typical)Known for one	2200:1	Unknown — not stated by the source
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Supported aspect ratiosKnown for one	4:3, 16:10, 16:9	Unknown — not stated by the source
Screen size compatibilityKnown for one	919.5 - 9212.6 mm (36.2 - 362.7")	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	80%	Unknown — not stated by the source
Light source2 differ
Light source type	Lamp	Lamp
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
Zoom capabilityKnown for one	Yes	Unknown — not stated by the source
Zoom typeKnown for one	Manual	Unknown — not stated by the source
Zoom ratioKnown for one	1.2:1	Unknown — not stated by the source
Throw ratioKnown for one	1.28 -1.536	Unknown — not stated by the source
Videoidentical
Analog signal format systemKnown for one	NTSC 3.58, NTSC 4.43, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM B/G, SECAM D/K, SECAM K1, SECAM L	Unknown — not stated by the source
Supported graphics resolutionsKnown for one	1280 x 800 (WXGA)	Unknown — not stated by the source
Supported video modesKnown for one	480i, 480p, 576i, 576p, 720p, 1080i, 1080p	Unknown — not stated by the source
Full HDKnown for one	Unknown — not stated by the source	Yes
3DKnown for one	Unknown — not stated by the source	No
Ports & interfaces3 differ
VGA (D-Sub) ports quantity	2	2
HDMI ports quantity	2	2
HDMI versionKnown for one	1.4	Unknown — not stated by the source
Component video (YPbPr/YCbCr) inDiffers	0	1
Composite video in	1	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
Audio (L/R) in	1	1
Audio (L/R) outKnown for one	1	Unknown — not stated by the source
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
AC (power) in	Yes	Yes
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
Wi-Fi	No	No
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
Projection modesKnown for one	Front	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Multimedia1 differ
Built-in speaker(s)	Yes	Yes
Number of built-in speakersDiffers	1	2
RMS rated power	10 W	10 W
Design2 differ
Product typeDiffers	Standard throw projector	Ultra short throw projector
Market positioningKnown for one	Presentation	Unknown — not stated by the source
Product colour	Black	Black
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
Displayidentical
Built-in display	No	No
Poweridentical
Power source	AC	AC
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 voltageKnown for one	120 - 230 V	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 included	Yes	Yes
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)
Storageidentical
Card reader integratedKnown for one	Unknown — not stated by the source	No

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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