Product comparison · 2 data projectors

Acer K135i + 3Y On-Site vs Viewsonic LightStream PJD6552LW

46specifications compared
27differ
19identical
45known for one product only

Key differences

Projector brightness
- K135i + 3Y On-Site:600 ANSI lumens
- LightStream PJD6552LW:3500 ANSI lumens
Screen size compatibility
- K135i + 3Y On-Site:431.8 - 2540 mm (17 - 100")
- LightStream PJD6552LW:762 - 7620 mm (30 - 300")
Keystone correction, vertical
- K135i + 3Y On-Site:-40 - 40°
- LightStream PJD6552LW:-30 - 30°
Light source type
- K135i + 3Y On-Site:LED
- LightStream PJD6552LW:Lamp
Service life of light source
- K135i + 3Y On-Site:20000 h
- LightStream PJD6552LW:4000 h
Service life of light source (economic mode)
- K135i + 3Y On-Site:30000 h
- LightStream PJD6552LW:10000 h
Digital zoom
- K135i + 3Y On-Site:1.7x
- LightStream PJD6552LW:2x
VGA (D-Sub) ports quantity
- K135i + 3Y On-Site:0
- LightStream PJD6552LW:3

Side by side

Differences highlightedShow differences only

Comparison of K135i + 3Y On-Site, LightStream PJD6552LW
91 specifications	A Acer K135i + 3Y On-Site View product	B Viewsonic LightStream PJD6552LW View product
Projector3 differ
Projector brightnessDiffers	600 ANSI lumens	3500 ANSI lumens
Contrast ratio (typical)Known for one	10000:1	Unknown — not stated by the source
Supported aspect ratiosKnown for one	4:3, 16:10	Unknown — not stated by the source
Screen size compatibilityDiffers	431.8 - 2540 mm (17 - 100")	762 - 7620 mm (30 - 300")
Projection distanceKnown for one	0.6 - 3.2 m	Unknown — not stated by the source
Projector brightness (economic mode)Known for one	400 ANSI lumens	Unknown — not stated by the source
Horizontal synchronization (max)Known for one	100 kHz	Unknown — not stated by the source
Horizontal synchronization (min)Known for one	30 kHz	Unknown — not stated by the source
Keystone correction, verticalDiffers	-40 - 40°	-30 - 30°
Vertical synchronization (max)Known for one	120 kHz	Unknown — not stated by the source
Vertical synchronization (min)Known for one	50 kHz	Unknown — not stated by the source
Keystone correction, horizontalKnown for one	Unknown — not stated by the source	-30 - 30°
Light source3 differ
Light source typeDiffers	LED	Lamp
Service life of light sourceDiffers	20000 h	4000 h
Service life of light source (economic mode)Differs	30000 h	10000 h
Lamp powerKnown for one	Unknown — not stated by the source	210 W
Lens system1 differ
FocusKnown for one	Manual	Unknown — not stated by the source
Focal length rangeKnown for one	14.95 - 14.95 mm	Unknown — not stated by the source
Aperture range (F-F)Known for one	2 - 2	Unknown — not stated by the source
Zoom ratioKnown for one	1.5:1	Unknown — not stated by the source
Digital zoomDiffers	1.7x	2x
Optical zoomKnown for one	Unknown — not stated by the source	1.3x
Throw ratioKnown for one	Unknown — not stated by the source	1.21 - 1.57:1
OffsetKnown for one	Unknown — not stated by the source	120%
Videoidentical
HD-ReadyKnown for one	Yes	Unknown — not stated by the source
Supported graphics resolutionsKnown for one	1280 x 800 (WXGA), 1920 x 1080 (HD 1080)	Unknown — not stated by the source
Analog signal format systemKnown for one	Unknown — not stated by the source	NTSC, PAL, PAL 60, SECAM
Ports & interfaces5 differ
VGA (D-Sub) ports quantityDiffers	0	3
Component video (YPbPr/YCbCr) inDiffers	0	1
Composite video inDiffers	0	1
S-Video inputs quantityDiffers	0	1
Audio (L/R) inDiffers	0	1
AV inputKnown for one	Yes	Unknown — not stated by the source
Audio (L/R) outKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
Serial interface typeKnown for one	Unknown — not stated by the source	RS-232
Network2 differ
Ethernet LANDiffers	No	Yes
Ethernet LAN (RJ-45) portsDiffers	0	1
Wi-FiKnown for one	No	Unknown — not stated by the source
Storageidentical
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MicroSD (TransFlash)	Unknown — not stated by the source
Features2 differ
Noise levelDiffers	33 dB	32 dB
Noise level (economic mode)Differs	29 dB	27 dB
Preset modesKnown for one	Unknown — not stated by the source	Bright, Cinema, Dynamic, Standard
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
Password protectionKnown for one	Unknown — not stated by the source	Yes
Multimedia1 differ
RMS rated powerDiffers	2 W	10 W
Video formats supportedKnown for one	H.264, MPEG1, MPEG2, MPEG4, VC-1	Unknown — not stated by the source
Image formats supportedKnown for one	BMP, JPG	Unknown — not stated by the source
Audio formats supportedKnown for one	MP1, MP2, MP3, PCM, WAV, WMA	Unknown — not stated by the source
Design1 differ
Market positioningKnown for one	Portable	Unknown — not stated by the source
PlacementDiffers	Desktop	Desktop, Ceiling
Power2 differ
Power sourceDiffers	DC	AC
Power consumption (typical)Differs	65 W	265 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.5 W
Power consumption (max)Known for one	Unknown — not stated by the source	330 W
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Softwareidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	0 - 80%	10 - 90%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 1499 m
Weight & dimensions4 differ
WeightDiffers	430 g	2.5 kg
WidthDiffers	140 mm	315.2 mm
DepthDiffers	116 mm	227.9 mm
HeightDiffers	41 mm	97.7 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Carrying caseKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	Unknown — not stated by the source	AC, VGA
Other features1 differ
RS-232 portsDiffers	0	1

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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