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Product comparison · 2 data projectors

Epson EMP-83 vs Viewsonic PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768)

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  • 23specifications compared
  • 14differ
  • 9identical
  • 31known for one product only

Key differences

  • Projector brightness
    • 2200 ANSI lumens
    • 2500 ANSI lumens
  • Contrast ratio (typical)
    • 400:1
    • 600:1
  • Keystone correction, vertical
    • -30 - 30°
    • 32°
  • Service life of light source
    • 4000 h
    • 3000 h
  • Lamp power
    • 170 W
    • 205 W
  • Focal length range
    • 18.40 - 22.12 mm
    • 18.85 - 22.23 mm
  • Component video (YPbPr/YCbCr) in
    • 1
    • 3
  • RMS rated power
    • 7 W
    • 2 W

Side by side

Differences highlightedShow differences only
54 specifications
A

Epson

EMP-83

Model EMP-83

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B

Viewsonic

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

Model PJ678

View product
Projector4 differ
Projector brightnessDiffers2200 ANSI lumens2500 ANSI lumens
Projection technologyLCDLCD
Projector native resolutionXGA (1024x768)XGA (1024x768)
Contrast ratio (typical)Differs400:1600:1
Screen size compatibilityDiffers762 - 7620 mm (30 - 300")711.2 - 8407.4 mm (28 - 331")
Number of coloursKnown for one16.78 million colours
Keystone correction, verticalDiffers-30 - 30°32°
Projection distanceKnown for one1 - 10 m
Matrix sizeKnown for one1.6 cm (0.63")
Light source2 differ
Light source typeLampLamp
Service life of light sourceDiffers4000 h3000 h
Lamp typeKnown for oneUHE
Lamp powerDiffers170 W205 W
Lens system1 differ
FocusManualManual
Focal length rangeDiffers18.40 - 22.12 mm18.85 - 22.23 mm
Ports & interfaces1 differ
VGA (D-Sub) ports quantity22
Component video (YPbPr/YCbCr) inDiffers13
Composite video in11
S-Video inputs quantity11
Headphone outputsKnown for one1
Serial interface typeRS-232RS-232
DVI portKnown for oneYes
Audio (L/R) outKnown for one1
Featuresidentical
Country of originKnown for oneChina
Noise levelKnown for one34 dB
CertificationKnown for oneCE, CB, FCC-B, CCC, TÜV-GS, WEEE, RoHS
Multimedia1 differ
RMS rated powerDiffers7 W2 W
Number of built-in speakersKnown for one1
Design1 differ
Market positioningDiffersHome cinemaPortable
Operational conditions1 differ
Operating temperature (T-T)Differs5 - 35 °C0 - 40 °C
Operating relative humidity (H-H)Known for one10 - 90%
Weight & dimensions2 differ
WeightDiffers2.9 kg3.1 kg
Package widthKnown for one375 mm
Package depthKnown for one423 mm
Package heightKnown for one187 mm
Package weightDiffers4.83 kg4.1 kg
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Pallet gross heightKnown for one100 cm
Pallet gross widthKnown for one120 cm
Pallet length (UK)Known for one2.21 m
Products per palletKnown for one55 pc(s)
Products per pallet (UK)Known for one66 pc(s)
Products per pallet layerKnown for one5 pc(s)
Products per pallet layer (UK)Known for one6 pc(s)
Other features1 differ
Dimensions (WxDxH)Differs245 x 327 x 92 mm298 x 224 x 84 mm
InterfaceKnown for oneLAN
RS-232 ports11
Aspect ratioKnown for one4:3, 16:9
Package dimensions (WxDxH)Known for one360 x 220 x 310 mm
Connectivity technologyKnown for oneWired
Lens focal rangeKnown for one1.75 - 1.9
Power requirementsKnown for oneAC 100 - 120/200 - 240V, 50/60Hz
Videoidentical
Analog signal format systemKnown for oneNTSC 4.43, NTSC M, PAL, SECAM
Poweridentical
Power consumption (typical)Known for one280 W

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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