Product comparison · 2 data projectors

Acer Home H7550ST Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D White vs Acer K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver

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  • 37specifications compared
  • 23differ
  • 14identical
  • 43known for one product only

Key differences

  • Projector brightness
    • Home H7550ST Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D White:3000 ANSI lumens
    • K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver:700 ANSI lumens
  • Projector native resolution
    • Home H7550ST Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D White:1080p (1920x1080)
    • K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver:WXGA (1280x800)
  • Contrast ratio (typical)
    • Home H7550ST Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D White:16000:1
    • K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver:10000:1
  • Native aspect ratio
    • Home H7550ST Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D White:16:9
    • K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver:16:10
  • Supported aspect ratios
    • Home H7550ST Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D White:4:3, 16:9
    • K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver:4:3, 16:9, 16:10
  • Projection distance
    • Home H7550ST Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D White:0.9 - 4.6 m
    • K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver:0.6 - 3.2 m
  • Light source type
    • Home H7550ST Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D White:Lamp
    • K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver:LED
  • Service life of light source
    • Home H7550ST Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D White:4000 h
    • K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver:20000 h

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Comparison of H7550ST, K137i
80 specifications
Projector6 differ
Projector brightnessDiffers3000 ANSI lumens700 ANSI lumens
Projection technologyDLPDLP
Projector native resolutionDiffers1080p (1920x1080)WXGA (1280x800)
Contrast ratio (typical)Differs16000:110000:1
Native aspect ratioDiffers16:916:10
Supported aspect ratiosDiffers4:3, 16:94:3, 16:9, 16:10
Screen size compatibilityKnown for oneUnknown — not stated by the source0 - 2540 mm (0 - 100")
Projection distanceDiffers0.9 - 4.6 m0.6 - 3.2 m
Contrast ratio (dynamic)Known for oneUnknown — not stated by the source10000:1
Number of colours1.073 billion colours1.073 billion colours
Horizontal synchronization (max)Known for oneUnknown — not stated by the source100 kHz
Horizontal synchronization (min)Known for oneUnknown — not stated by the source30 kHz
Keystone correction, vertical-40 - 40°-40 - 40°
Vertical synchronization (max)Known for oneUnknown — not stated by the source0.12 kHz
Vertical synchronization (min)Known for oneUnknown — not stated by the source0.05 kHz
Light source3 differ
Light source typeDiffersLampLED
Service life of light sourceDiffers4000 h20000 h
Service life of light source (economic mode)Differs6000 h30000 h
Lamps quantity1 lamp(s)1 lamp(s)
Lamp typeKnown for oneOSRAMUnknown — not stated by the source
Lamp powerKnown for one210 WUnknown — not stated by the source
Lens system5 differ
FocusDiffersAuto/ManualManual
Focal length rangeDiffers10.20 - 11.22 mm0 - 14.95 mm
Aperture range (F-F)Differs2.6 - 2.780 - 2
Zoom capabilityKnown for oneUnknown — not stated by the sourceYes
Zoom typeKnown for oneUnknown — not stated by the sourceManual
Zoom ratioDiffers1.1:11.7:1
Throw ratioDiffers0.69 - 0.76:11.5:1
Digital zoomKnown for one2xUnknown — not stated by the source
Optical zoomKnown for one1.1xUnknown — not stated by the source
Videoidentical
Full HDYesYes
Video processingKnown for oneUnknown — not stated by the source30 bit
Analog signal format systemKnown for oneNTSC, PAL, SECAMUnknown — not stated by the source
3DKnown for oneYesUnknown — not stated by the source
Supported graphics resolutionsKnown for one1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA)Unknown — not stated by the source
Ports & interfaces1 differ
HDMI ports quantityDiffers31
USB 2.0 ports quantityKnown for oneUnknown — not stated by the source1
Audio (L/R) inKnown for oneUnknown — not stated by the source1
DVI portKnown for oneNoUnknown — not stated by the source
Networkidentical
Ethernet LANNoNo
Wi-FiNoNo
Storageidentical
Card reader integratedNoNo
Features2 differ
Noise levelDiffers33 dB31 dB
Noise level (high brightness)Known for oneUnknown — not stated by the source37 dB
Noise level (economic mode)Differs30 dB29 dB
HDCPKnown for oneUnknown — not stated by the sourceNo
Projection modesKnown for oneUnknown — not stated by the sourceCeiling, Front, Rear
Multimedia1 differ
Built-in speaker(s)YesYes
Number of built-in speakers22
RMS rated powerDiffers10 W6 W
Video formats supportedKnown for oneUnknown — not stated by the sourceH.264, MPEG1, MPEG2, MPEG4, VC-1
Image formats supportedKnown for oneUnknown — not stated by the sourceBMP, JPG
Audio formats supportedKnown for oneUnknown — not stated by the sourceAAC, MP1, MP2, MP3, PCM, WAV, WMA
Design2 differ
Product typeStandard throw projectorStandard throw projector
Market positioningDiffersHome cinemaPortable
Product colourDiffersWhiteSilver
PlacementKnown for oneDesktopUnknown — not stated by the source
Displayidentical
Built-in displayNoNo
Power1 differ
Power sourceACAC
Power consumption (typical)Differs399 W75 W
Power consumption (PowerSave)Known for oneUnknown — not stated by the source35 W
AC input voltage100 - 240 V100 - 240 V
Softwareidentical
Windows operating systems supportedKnown for oneUnknown — not stated by the sourceYes
Mac operating systems supportedKnown for oneUnknown — not stated by the sourceYes
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source5 - 40 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source0 - 80%
Weight & dimensions1 differ
WeightDiffers3.4 kg510 g
WidthKnown for oneUnknown — not stated by the source189 mm
DepthKnown for oneUnknown — not stated by the source116 mm
HeightKnown for oneUnknown — not stated by the source41 mm
Packaging content1 differ
Remote control includedDiffersNoYes
Remote control typeKnown for oneUnknown — not stated by the sourceIR
Batteries includedKnown for oneUnknown — not stated by the sourceNo
Cables includedKnown for oneUnknown — not stated by the sourceAC
Carrying caseKnown for oneUnknown — not stated by the sourceYes
ManualKnown for oneUnknown — not stated by the sourceYes
Quick start guideKnown for oneUnknown — not stated by the sourceYes
Warranty cardKnown for oneUnknown — not stated by the sourceYes
Logistics dataidentical
Harmonized System (HS) codeKnown for oneUnknown — not stated by the source85286200
Other featuresidentical
Maximum digital resolutionKnown for oneUnknown — not stated by the source1920 x 1080 pixels

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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