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Product comparison · 2 data projectors

Viewsonic PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768) vs Viewsonic PJ758 data projector 2200 ANSI lumens LCD XGA (1024x768)

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  • 34specifications compared
  • 18differ
  • 16identical
  • 10known for one product only

Key differences

  • Projector brightness
    • 2500 ANSI lumens
    • 2200 ANSI lumens
  • Contrast ratio (typical)
    • 600:1
    • 500:1
  • Keystone correction, vertical
    • 32°
    • 60°
  • Lamp power
    • 205 W
    • 220 W
  • Focal length range
    • 18.85 - 22.23 mm
    • 18.9 - 22.6 mm
  • VGA (D-Sub) ports quantity
    • 2
    • 3
  • RMS rated power
    • 2 W
    • 6 W
  • Power consumption (typical)
    • 280 W
    • 320 W

Side by side

Differences highlightedShow differences only
44 specifications
A

Viewsonic

PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768)

Model PJ678

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B

Viewsonic

PJ758 data projector 2200 ANSI lumens LCD XGA (1024x768)

Model PJ758

View product
Projector4 differ
Projector brightnessDiffers2500 ANSI lumens2200 ANSI lumens
Projection technologyLCDLCD
Projector native resolutionXGA (1024x768)XGA (1024x768)
Contrast ratio (typical)Differs600:1500:1
Screen size compatibilityDiffers711.2 - 8407.4 mm (28 - 331")762 - 7620 mm (30 - 300")
Horizontal scan rangeKnown for one31 - 106 kHz
Vertical scan rangeKnown for one56 - 120 Hz
Keystone correction, verticalDiffers32°60°
Matrix size1.6 cm (0.63")1.6 cm (0.63")
Projection distanceKnown for one1 - 10 m
Light source1 differ
Light source typeLampLamp
Service life of light source3000 h3000 h
Lamp powerDiffers205 W220 W
Lens system1 differ
FocusManualManual
Focal length rangeDiffers18.85 - 22.23 mm18.9 - 22.6 mm
Video1 differ
Analog signal format systemDiffersNTSC 4.43, NTSC M, PAL, SECAMNTSC 4.43, NTSC M, SECAM
Full HDKnown for oneYes
Ports & interfaces1 differ
VGA (D-Sub) ports quantityDiffers23
Component video (YPbPr/YCbCr) in33
Composite video in11
S-Video inputs quantity11
USB 2.0 ports quantityKnown for one1
Audio (L/R) inKnown for one3
Audio (L/R) out11
Serial interface typeRS-232RS-232
DVI portKnown for oneYes
Features1 differ
Noise level34 dB34 dB
CertificationDiffersCE, CB, FCC-B, CCC, TÜV-GS, WEEE, RoHSCE, CB, DEMKO/GS, UL60950-1/C-UL, FCC B, C-Tick, WEEE, RoHS
Multimedia1 differ
Number of built-in speakers11
RMS rated powerDiffers2 W6 W
Designidentical
Market positioningPortablePortable
Power1 differ
Power consumption (typical)Differs280 W320 W
Power consumption (standby)Known for one10 W
Operational conditions2 differ
Operating temperature (T-T)Differs0 - 40 °C5 - 35 °C
Operating relative humidity (H-H)Differs10 - 90%10 - 85%
Weight & dimensions2 differ
WeightDiffers3.1 kg3.5 kg
Package weightDiffers4.1 kg7.7 kg
Other features3 differ
Aspect ratio4:3, 16:94:3, 16:9
Package dimensions (WxDxH)Differs360 x 220 x 310 mm480 x 250 x 372 mm
Dimensions (WxDxH)Differs298 x 224 x 84 mm340 x 100 x 270 mm
Power requirementsDiffersAC 100 - 120/200 - 240V, 50/60HzAC 100-120/220-240V, 50/60Hz
RS-232 ports11
Connectivity technologyKnown for oneWired
Lens focal rangeKnown for one1.75 - 1.9

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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