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Product comparison · 2 data projectors

Viewsonic Digital Projector PJ256D vs Viewsonic Digital Projector PJ656

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  • 21specifications compared
  • 13differ
  • 8identical
  • 10known for one product only

Key differences

  • Projector brightness
    • 1500 ANSI lumens
    • 2100 ANSI lumens
  • Projection technology
    • DLP
    • LCD
  • Contrast ratio (typical)
    • 2000:1
    • 400:1
  • Horizontal scan range
    • 31.5 - 79.8 kHz
    • 31 - 106 kHz
  • Vertical scan range
    • 56 - 85 Hz
    • 56 - 120 Hz
  • Lamp power
    • 156 W
    • 180 W
  • Display resolution
    • 1280 x 1024 pixels
    • 1600 x 1200 pixels
  • Power consumption (typical)
    • 200 W
    • 290 W

Side by side

Differences highlightedShow differences only
31 specifications
A

Viewsonic

Digital Projector PJ256DView product
B

Viewsonic

Digital Projector PJ656View product
Projector5 differ
Projector brightnessDiffers1500 ANSI lumens2100 ANSI lumens
Projection technologyDiffersDLPLCD
Contrast ratio (typical)Differs2000:1400:1
Horizontal scan rangeDiffers31.5 - 79.8 kHz31 - 106 kHz
Vertical scan rangeDiffers56 - 85 Hz56 - 120 Hz
Light source1 differ
Lamp typeKnown for oneUHB
Lamp powerDiffers156 W180 W
Service life of light sourceKnown for one4000 h
Lens systemidentical
Digital zoomKnown for one1.2x
Throw ratioKnown for one1.5 - 1.8:1
Multimediaidentical
Number of built-in speakersKnown for one1
Display1 differ
Display resolutionDiffers1280 x 1024 pixels1600 x 1200 pixels
Display diagonalKnown for one80.5 cm (31.7")
Power1 differ
Power consumption (typical)Differs200 W290 W
Weight & dimensions1 differ
WeightDiffers1 kg2.8 kg
Other features4 differ
Audio inputKnown for one3.5mm stereo mini jack
Audio outputKnown for one3.5mm stereo mini jack
Dimensions (WxDxH)Differs198 x 148 x 57 mm306 x 249 x 97 mm
Lens systemKnown for oneF1.7 - 1.9, f=18.9 - 22.6
Power requirementsDiffersAC 100 - 240 V, 50 - 60HzAC 100 - 120 / 200 - 240 V, 50 / 60Hz
Video inDiffersRCARCA jack
Digital keystone correctionDiffers±8°± 15°
I/O portsKnown for oneRGB-PC In(15-pin mini D-sub (x2)) / Out(15-pin mini D-sub), RCA jack (set), USB, 9-pin D-sub RS-232

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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