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Product comparison · 2 data projectors

Acer PD727 4000 ANSI lumens DLP XGA (1024x768) vs Viewsonic PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768)

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  • 23specifications compared
  • 15differ
  • 8identical
  • 22known for one product only

Key differences

  • Projector brightness
    • 4000 ANSI lumens
    • 2500 ANSI lumens
  • Projection technology
    • DLP
    • LCD
  • Contrast ratio (typical)
    • 2000:1
    • 600:1
  • Projection distance
    • 1.2 - 12.2 m
    • 1 - 10 m
  • Keystone correction, vertical
    • ±16°
    • 32°
  • Service life of light source
    • 2000 h
    • 3000 h
  • Lamp power
    • 300 W
    • 205 W
  • VGA (D-Sub) ports quantity
    • 1
    • 2

Side by side

Differences highlightedShow differences only
45 specifications
A

Acer

PD727 4000 ANSI lumens DLP XGA (1024x768)

Model PD727

View product
B

Viewsonic

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

Model PJ678

View product
Projector5 differ
Projector brightnessDiffers4000 ANSI lumens2500 ANSI lumens
Projection technologyDiffersDLPLCD
Projector native resolutionXGA (1024x768)XGA (1024x768)
Contrast ratio (typical)Differs2000:1600:1
Screen size compatibilityKnown for one711.2 - 8407.4 mm (28 - 331")
Projection distanceDiffers1.2 - 12.2 m1 - 10 m
Keystone correction, verticalDiffers±16°32°
Matrix sizeKnown for one1.6 cm (0.63")
Horizontal scan rangeKnown for one15 - 100 kHz
Vertical scan rangeKnown for one50 - 85 Hz
Keystone correction, horizontalKnown for one±16°
Light source2 differ
Light source typeLampLamp
Service life of light sourceDiffers2000 h3000 h
Lamp powerDiffers300 W205 W
Lamp typeKnown for oneP-VIP
Lens systemidentical
FocusKnown for oneManual
Focal length rangeKnown for one18.85 - 22.23 mm
Videoidentical
Analog signal format systemKnown for oneNTSC 4.43, NTSC M, PAL, SECAM
Ports & interfaces2 differ
VGA (D-Sub) ports quantityDiffers12
Component video (YPbPr/YCbCr) inDiffers13
Composite video in11
DVI portYesYes
S-Video inputs quantity11
Audio (L/R) outKnown for one1
Serial interface typeRS-232RS-232
HDMI ports quantityKnown for one1
Headphone outputsKnown for one1
Features1 differ
Noise levelDiffers30 dB34 dB
CertificationKnown for oneCE, CB, FCC-B, CCC, TÜV-GS, WEEE, RoHS
Multimedia1 differ
Number of built-in speakersDiffers21
RMS rated powerKnown for one2 W
Design1 differ
Market positioningDiffersPresentationPortable
Power1 differ
Power consumption (typical)Differs385 W280 W
Power consumption (standby)Known for one10 W
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one10 - 90%
Weight & dimensions1 differ
WeightDiffers4 kg3.1 kg
Package weightKnown for one4.1 kg
Other features1 differ
Aspect ratio4:3, 16:94:3, 16:9
Package dimensions (WxDxH)Known for one360 x 220 x 310 mm
Connectivity technologyKnown for oneWired
Dimensions (WxDxH)Differs350 x 282 x 119 mm298 x 224 x 84 mm
Lens focal rangeKnown for one1.75 - 1.9
Power requirementsKnown for oneAC 100 - 120/200 - 240V, 50/60Hz
RS-232 ports11

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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