Product comparison · 2 data projectors

Acer K138ST + 3Y On-Site vs Acer P1387W + 3Y Carry-In

45specifications compared
23differ
22identical
31known for one product only

Key differences

Projector brightness
- K138ST + 3Y On-Site:800 ANSI lumens
- P1387W + 3Y Carry-In:4500 ANSI lumens
Contrast ratio (typical)
- K138ST + 3Y On-Site:100000:1
- P1387W + 3Y Carry-In:17000:1
Supported aspect ratios
- K138ST + 3Y On-Site:4:3, 16:9, 16:10
- P1387W + 3Y Carry-In:4:3, 16:10, 16:9
Projection distance
- K138ST + 3Y On-Site:0.4 - 1.7 m
- P1387W + 3Y Carry-In:1 - 8.3 m
Horizontal synchronization (min)
- K138ST + 3Y On-Site:30 kHz
- P1387W + 3Y Carry-In:15 kHz
Vertical synchronization (min)
- K138ST + 3Y On-Site:50 kHz
- P1387W + 3Y Carry-In:24 kHz
Service life of light source
- K138ST + 3Y On-Site:20000 h
- P1387W + 3Y Carry-In:3000 h
Service life of light source (economic mode)
- K138ST + 3Y On-Site:30000 h
- P1387W + 3Y Carry-In:4000 h

Side by side

Differences highlightedShow differences only

Comparison of K138ST + 3Y On-Site, P1387W + 3Y Carry-In
76 specifications	A Acer K138ST + 3Y On-Site View product	B Acer P1387W + 3Y Carry-In View product
Projector6 differ
Projector brightnessDiffers	800 ANSI lumens	4500 ANSI lumens
Projection technology	DLP	DLP
Projector native resolution	WXGA (1280x800)	WXGA (1280x800)
Contrast ratio (typical)Differs	100000:1	17000:1
Native aspect ratio	16:10	16:10
Supported aspect ratiosDiffers	4:3, 16:9, 16:10	4:3, 16:10, 16:9
Screen size compatibilityKnown for one	635 - 2540 mm (25 - 100")	Unknown — not stated by the source
Projection distanceDiffers	0.4 - 1.7 m	1 - 8.3 m
Number of coloursKnown for one	1.073 billion colours	Unknown — not stated by the source
Vertical scan rangeKnown for one	50 - 120 Hz	Unknown — not stated by the source
Horizontal synchronization (max)	100 kHz	100 kHz
Horizontal synchronization (min)Differs	30 kHz	15 kHz
Keystone correction, verticalKnown for one	-20 - 20°	Unknown — not stated by the source
Vertical synchronization (max)	120 kHz	120 kHz
Vertical synchronization (min)Differs	50 kHz	24 kHz
Projector brightness (economic mode)Known for one	Unknown — not stated by the source	3600 ANSI lumens
UniformityKnown for one	Unknown — not stated by the source	85%
Light source2 differ
Service life of light sourceDiffers	20000 h	3000 h
Service life of light source (economic mode)Differs	30000 h	4000 h
Lamps quantity	1 lamp(s)	1 lamp(s)
Light source typeKnown for one	Unknown — not stated by the source	Lamp
Lamp typeKnown for one	Unknown — not stated by the source	UHP
Lamp powerKnown for one	Unknown — not stated by the source	260 W
Lens system2 differ
FocusKnown for one	Manual	Unknown — not stated by the source
Digital zoomDiffers	1.7x	2x
Throw ratioDiffers	0.8:1	1.28 - 1.54:1
Focal length rangeKnown for one	Unknown — not stated by the source	18.17 - 21.81 mm
Aperture range (F-F)Known for one	Unknown — not stated by the source	2.41 - 2.7
Videoidentical
Full HDKnown for one	No	Unknown — not stated by the source
3DKnown for one	Yes	Unknown — not stated by the source
3D Ready	Yes	Yes
Analog signal format systemKnown for one	Unknown — not stated by the source	NTSC, PAL, SECAM
Ports & interfaces3 differ
VGA (D-Sub) ports quantityDiffers	1	3
HDMI ports quantity	1	1
Component video (YPbPr/YCbCr) in	0	0
Composite video inDiffers	0	1
DVI port	No	No
S-Video inputs quantityDiffers	0	1
USB 2.0 ports quantity	1	1
AC (power) in	Yes	Yes
Audio (L/R) inKnown for one	Unknown — not stated by the source	1
Serial interface typeKnown for one	Unknown — not stated by the source	RS-232
Networkidentical
Ethernet LAN	No	No
Ethernet LAN (RJ-45) ports	0	0
Wi-Fi	No	No
Storageidentical
Card reader integrated	No	No
Features1 differ
Noise levelDiffers	33 dB	34 dB
Noise level (economic mode)	29 dB	29 dB
Multimedia2 differ
Built-in speaker(s)	Yes	Yes
Number of built-in speakersDiffers	2	1
RMS rated powerDiffers	6 W	10 W
Design3 differ
Product typeDiffers	Portable projector	Standard throw projector
Market positioningDiffers	Portable	Presentation
Product colourDiffers	White	Black
PlacementKnown for one	Unknown — not stated by the source	Desktop, Ceiling
Displayidentical
Built-in display	No	No
Power1 differ
Power source	AC	AC
Power consumption (typical)Differs	80 W	330 W
Power consumption (economy mode)Known for one	38 W	Unknown — not stated by the source
AC input voltage	100 - 240 V	100 - 240 V
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	280 W
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 conditionsidentical
Operating temperature (T-T)Known for one	5 - 40 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	750 g	2.5 kg
WidthKnown for one	Unknown — not stated by the source	314 mm
DepthKnown for one	Unknown — not stated by the source	223 mm
HeightKnown for one	Unknown — not stated by the source	93 mm
Packaging content1 differ
Remote control includedDiffers	Yes	No
Batteries includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC	Unknown — not stated by the source
Carrying case	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Maximum digital resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
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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