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Product comparison · 2 data projectors

NEC NP 4001 vs NEC VT491 Portable Projector - LCD - SVGA 800 x 600 - 2000lm

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  • 17specifications compared
  • 15differ
  • 2identical
  • 33known for one product only

Key differences

  • Projector brightness
    • 4500 ANSI lumens
    • 2000 ANSI lumens
  • Projection technology
    • DLP
    • LCD
  • Projector native resolution
    • WXGA (1280x768)
    • SVGA (800x600)
  • Contrast ratio (typical)
    • 2100:1
    • 600:1
  • Horizontal scan range
    • 15 - 90 kHz
    • 15 - 100 kHz
  • Vertical scan range
    • 50 - 85 Hz
    • 50 - 120 Hz
  • Keystone correction, vertical
    • 40°
    • ±30°
  • Lamp power
    • 260 W
    • 190 W

Side by side

Differences highlightedShow differences only
50 specifications
A

NEC

NP 4001View product
B

NEC

VT491 Portable Projector - LCD - SVGA 800 x 600 - 2000lmView product
Projector7 differ
Projector brightnessDiffers4500 ANSI lumens2000 ANSI lumens
Projection technologyDiffersDLPLCD
Projector native resolutionDiffersWXGA (1280x768)SVGA (800x600)
Contrast ratio (typical)Differs2100:1600:1
Screen size compatibilityKnown for one1.02 x 12.7
Horizontal scan rangeDiffers15 - 90 kHz15 - 100 kHz
Vertical scan rangeDiffers50 - 85 Hz50 - 120 Hz
Keystone correction, horizontalKnown for one35°
Keystone correction, verticalDiffers40°±30°
Projection distanceKnown for one0.7 - 11.1 m
Light source1 differ
Service life of light source (economic mode)Known for one2500 h
Lamp powerDiffers260 W190 W
Lens systemidentical
Focal length rangeKnown for one11.4 - 117.4 mm
Video1 differ
Full HDDiffersYesNo
Ports & interfaces1 differ
VGA (D-Sub) ports quantityKnown for one1
Component video (YPbPr/YCbCr) inDiffers21
DVI portKnown for oneYes
S-Video inputs quantityKnown for one1
USB 2.0 ports quantityKnown for one1
Audio (L/R) inKnown for one1
Headphone outputsKnown for one1
Microphone inKnown for oneYes
Networkidentical
Ethernet LAN (RJ-45) portsKnown for one1
Ethernet LANKnown for oneNo
Featuresidentical
Dot clock scanning frequencyKnown for one100 MHz
Noise levelKnown for one29 dB
Plug and PlayKnown for oneYes
Multimediaidentical
Number of built-in speakersKnown for one2
RMS rated powerKnown for one6 W
Power2 differ
Power consumption (typical)Differs655 W255 W
Power consumption (standby)Differs5 W9 W
Operational conditionsidentical
Operating relative humidity (H-H)Known for one20 - 80%
Weight & dimensions1 differ
WeightDiffers16.5 kg2.9 kg
Other features2 differ
Aspect ratioKnown for one15:9
Audio inputKnown for one2 Stereo Mini Jack
Audio outputKnown for one1 Stereo Mini Jack
Connectivity technologyKnown for oneWired
Dimensions (WxDxH)Differs505 x 385 x 197 mm309 x 258 x 112 mm
Power requirementsDiffers100 - 240 V, 50 Hz / 60 Hz100-240V AC/50-60Hz
Power supply typeKnown for oneAC
ResolutionKnown for one1600 x 1200 pixels
Recommended operating temperature range (T-T)Known for one5 - 40 °C
Lens focal rangeKnown for oneF=1.7-2.07, f=18.9-22.7
I/O portsKnown for oneMini D.SUB 15-pin x 3, Phono jack, mini DIN 4-pin, mini DIN 8-pin.
Displayidentical
DisplayKnown for oneLCD
Certificatesidentical
SafetyKnown for oneCE, TÜV GS
Packaging contentidentical
Remote control includedKnown for oneYes
Remote control typeKnown for oneRS-232

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