Product comparison · 2 data projectors

Acer H7550ST + 3Y On-Site vs Acer K138ST + 3Y Carry-In

49specifications compared
26differ
23identical
23known for one product only

Key differences

Projector brightness
- H7550ST + 3Y On-Site:3000 ANSI lumens
- K138ST + 3Y Carry-In:800 ANSI lumens
Projector native resolution
- H7550ST + 3Y On-Site:1080p (1920x1080)
- K138ST + 3Y Carry-In:WXGA (1280x800)
Contrast ratio (typical)
- H7550ST + 3Y On-Site:16000:1
- K138ST + 3Y Carry-In:100000:1
Native aspect ratio
- H7550ST + 3Y On-Site:16:9
- K138ST + 3Y Carry-In:16:10
Supported aspect ratios
- H7550ST + 3Y On-Site:4:3, 16:9
- K138ST + 3Y Carry-In:4:3, 16:9, 16:10
Projection distance
- H7550ST + 3Y On-Site:0.9 - 4.6 m
- K138ST + 3Y Carry-In:0.4 - 1.7 m
Horizontal synchronization (min)
- H7550ST + 3Y On-Site:15 kHz
- K138ST + 3Y Carry-In:30 kHz
Keystone correction, vertical
- H7550ST + 3Y On-Site:-40 - 40°
- K138ST + 3Y Carry-In:-20 - 20°

Side by side

Differences highlightedShow differences only

Comparison of H7550ST + 3Y On-Site, K138ST + 3Y Carry-In
72 specifications	A Acer H7550ST + 3Y On-Site View product	B Acer K138ST + 3Y Carry-In View product
Projector10 differ
Projector brightnessDiffers	3000 ANSI lumens	800 ANSI lumens
Projection technology	DLP	DLP
Projector native resolutionDiffers	1080p (1920x1080)	WXGA (1280x800)
Contrast ratio (typical)Differs	16000:1	100000:1
Native aspect ratioDiffers	16:9	16:10
Supported aspect ratiosDiffers	4:3, 16:9	4:3, 16:9, 16:10
Projection distanceDiffers	0.9 - 4.6 m	0.4 - 1.7 m
Number of colours	1.073 billion colours	1.073 billion colours
Horizontal synchronization (max)	100 kHz	100 kHz
Horizontal synchronization (min)Differs	15 kHz	30 kHz
Keystone correction, verticalDiffers	-40 - 40°	-20 - 20°
Vertical synchronization (max)Differs	0.12 kHz	120 kHz
Vertical synchronization (min)Differs	0.024 kHz	50 kHz
Screen size compatibilityKnown for one	Unknown — not stated by the source	635 - 2540 mm (25 - 100")
Vertical scan rangeKnown for one	Unknown — not stated by the source	50 - 120 Hz
Light source2 differ
Light source typeKnown for one	Lamp	Unknown — not stated by the source
Service life of light sourceDiffers	4000 h	20000 h
Service life of light source (economic mode)Differs	6000 h	30000 h
Lamp typeKnown for one	OSRAM	Unknown — not stated by the source
Lamp powerKnown for one	210 W	Unknown — not stated by the source
Lamps quantity	1 lamp(s)	1 lamp(s)
Lens system2 differ
Focus	Manual	Manual
Focal length rangeKnown for one	10.20 - 11.22 mm	Unknown — not stated by the source
Aperture range (F-F)Known for one	2.6 - 2.78	Unknown — not stated by the source
Zoom ratioKnown for one	1.1:1	Unknown — not stated by the source
Digital zoomDiffers	2x	1.7x
Optical zoomKnown for one	1.1x	Unknown — not stated by the source
Throw ratioDiffers	0.69 - 0.76:1	0.8:1
Video1 differ
Analog signal format systemKnown for one	NTSC, PAL, SECAM	Unknown — not stated by the source
Full HDDiffers	Yes	No
3D	Yes	Yes
Supported graphics resolutionsKnown for one	1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA)	Unknown — not stated by the source
3D ReadyKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces4 differ
VGA (D-Sub) ports quantityDiffers	2	1
HDMI ports quantityDiffers	3	1
Component video (YPbPr/YCbCr) inDiffers	1	0
Composite video inDiffers	1	0
DVI portKnown for one	No	Unknown — not stated by the source
S-Video inputs quantity	0	0
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
AC (power) inKnown for one	Unknown — not stated by the source	Yes
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 level	33 dB	33 dB
Noise level (economic mode)Differs	30 dB	29 dB
Multimedia1 differ
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	2	2
RMS rated powerDiffers	20 W	6 W
Design2 differ
Product typeDiffers	Standard throw projector	Portable projector
Market positioningDiffers	Home cinema	Portable
Product colour	White	White
PlacementKnown for one	Desktop	Unknown — not stated by the source
Displayidentical
Built-in display	No	No
Power1 differ
Power source	AC	AC
Power consumption (typical)Differs	399 W	80 W
AC input voltage	100 - 240 V	100 - 240 V
Power consumption (economy mode)Known for one	Unknown — not stated by the source	38 W
Weight & dimensions1 differ
WeightDiffers	3.4 kg	750 g
Packaging content1 differ
Remote control included	Yes	Yes
Batteries included	Yes	Yes
3D glasses includedKnown for one	Yes	Unknown — not stated by the source
Cables includedDiffers	AC, VGA	AC
Manual	Yes	Yes
Quick start guide	Yes	Yes
Carrying caseKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
RS-232 ports	0	0
Maximum digital resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
Softwareidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 40 °C

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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