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Product comparison · 2 data projectors

Viewsonic Digital Projector PJ656 vs Viewsonic PJ452 Lightweight Digital Projector

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  • 14specifications compared
  • 10differ
  • 4identical
  • 18known for one product only

Key differences

  • Projector brightness
    • 2100 ANSI lumens
    • 1600 ANSI lumens
  • Contrast ratio (typical)
    • 400:1
    • 500:1
  • Lamp power
    • 180 W
    • 165 W
  • Weight
    • 2.8 kg
    • 2.3 kg
  • Aspect ratio
    • 4:3
    • 4:3, 16:9
  • Audio input
    • 3.5mm stereo mini jack
    • 1 x Stereo mini-jack
  • Audio output
    • 3.5mm stereo mini jack
    • 1 x Stereo mini-jack
  • Dimensions (WxDxH)
    • 306 x 249 x 97 mm
    • 284.5 x 203.2 x 73.7 mm

Side by side

Differences highlightedShow differences only
32 specifications
A

Viewsonic

Digital Projector PJ656View product
B

Viewsonic

PJ452 Lightweight Digital ProjectorView product
Projector2 differ
Projector brightnessDiffers2100 ANSI lumens1600 ANSI lumens
Projection technologyLCDLCD
Projector native resolutionXGA (1024x768)XGA (1024x768)
Contrast ratio (typical)Differs400:1500:1
Horizontal scan rangeKnown for one31 - 106 kHz
Vertical scan rangeKnown for one56 - 120 Hz
Light source1 differ
Light source typeLampLamp
Lamp typeKnown for oneUHB
Lamp powerDiffers180 W165 W
Lens systemidentical
FocusKnown for oneManual
Digital zoomKnown for one1.2x
Throw ratioKnown for one1.5 - 1.8:1
Featuresidentical
Noise levelKnown for one38 dB
Multimediaidentical
Number of built-in speakersKnown for one1
Designidentical
Market positioningPortablePortable
Displayidentical
Display resolutionKnown for one1600 x 1200 pixels
DisplayKnown for oneLCD
Poweridentical
Power consumption (typical)Known for one290 W
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C
Operating relative humidity (H-H)Known for one10 - 85%
Weight & dimensions1 differ
WeightDiffers2.8 kg2.3 kg
Other features6 differ
Aspect ratioDiffers4:34:3, 16:9
Audio inputDiffers3.5mm stereo mini jack1 x Stereo mini-jack
Audio outputDiffers3.5mm stereo mini jack1 x Stereo mini-jack
Dimensions (WxDxH)Differs306 x 249 x 97 mm284.5 x 203.2 x 73.7 mm
Lens systemKnown for oneF1.7 - 1.9, f=18.9 - 22.6
Power requirementsKnown for oneAC 100 - 120 / 200 - 240 V, 50 / 60Hz
Video inDiffersRCA jackRGB analog, NTSCM, NTSC 4.43, PAL, SECAM
Digital keystone correctionKnown for one± 15°
I/O portsDiffersRGB-PC In(15-pin mini D-sub (x2)) / Out(15-pin mini D-sub), RCA jack (set), USB, 9-pin D-sub RS-232RGB input 15-pin HD, 1 x D-sub cable; 1 x RGB output; 1 x Composite Video InputRCA jack; Component Video InputVGA DB-15 to HDTV; 1 x S-Video InputMini-DIN 4-pin; Audio InputStereo mini-jack (1 input, 1 output)
Videoidentical
Full HDKnown for oneYes
Packaging contentidentical
Remote control includedKnown for oneYes

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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