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Product comparison · 2 data projectors

Viewsonic Digital Projector PJ656 vs Viewsonic Ultra-Portable XGA DLP Projector PJ458D

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  • 25specifications compared
  • 18differ
  • 7identical
  • 8known for one product only

Key differences

  • Projector brightness
    • 2100 ANSI lumens
    • 2000 ANSI lumens
  • Projection technology
    • LCD
    • DLP
  • Contrast ratio (typical)
    • 400:1
    • 2000:1
  • Horizontal scan range
    • 31 - 106 kHz
    • 31 - 79 kHz
  • Vertical scan range
    • 56 - 120 Hz
    • 50 - 85 Hz
  • Lamp power
    • 180 W
    • 200 W
  • Noise level
    • 38 dB
    • 34 dB
  • Display resolution
    • 1600 x 1200 pixels
    • 1280 x 1024 pixels

Side by side

Differences highlightedShow differences only
33 specifications
A

Viewsonic

Digital Projector PJ656View product
B

Viewsonic

Ultra-Portable XGA DLP Projector PJ458DView product
Projector5 differ
Projector brightnessDiffers2100 ANSI lumens2000 ANSI lumens
Projection technologyDiffersLCDDLP
Projector native resolutionXGA (1024x768)XGA (1024x768)
Contrast ratio (typical)Differs400:12000:1
Horizontal scan rangeDiffers31 - 106 kHz31 - 79 kHz
Vertical scan rangeDiffers56 - 120 Hz50 - 85 Hz
Projection distanceKnown for one1.2 - 10 m
Light source1 differ
Light source typeLampLamp
Lamp typeKnown for oneUHB
Lamp powerDiffers180 W200 W
Service life of light sourceKnown for one3000 h
Lens systemidentical
FocusManualManual
Digital zoom1.2x1.2x
Throw ratioKnown for one1.5 - 1.8:1
Features1 differ
Noise levelDiffers38 dB34 dB
Multimediaidentical
Number of built-in speakers11
Designidentical
Market positioningPortablePortable
Display1 differ
Display resolutionDiffers1600 x 1200 pixels1280 x 1024 pixels
Display diagonalKnown for one1.4 cm (0.55")
Power1 differ
Power consumption (typical)Differs290 W250 W
Operational conditions2 differ
Operating temperature (T-T)Differs5 - 35 °C5 - 40 °C
Operating relative humidity (H-H)Differs10 - 85%35 - 85%
Weight & dimensions1 differ
WeightDiffers2.8 kg2.2 kg
Other features6 differ
Aspect ratioDiffers4:34:3, 16:9
Audio inputKnown for one3.5mm stereo mini jack
Audio outputKnown for one3.5mm stereo mini jack
Dimensions (WxDxH)Differs306 x 249 x 97 mm256 x 200 x 88 mm
Lens systemDiffersF1.7 - 1.9, f=18.9 - 22.6F2.4 - 2.57, f = 18 - 21.57
Power requirementsDiffersAC 100 - 120 / 200 - 240 V, 50 / 60HzAC 100 - 240V, 50/60Hz
Video inDiffersRCA jackNTSC M, NTSC 4.43, PAL (B, D, G, H, I, M, N), SECAM, HDTV (480i/p, 576i/p, 720p, 1080i)
Digital keystone correction± 15°± 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-PC(15-pin mini D-sub), Composite video(RCA jack), S-video(4-pin mini-DIN) Component video, Audio(3.5mm stereo mini jack), USB
InterfaceKnown for oneUSB

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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