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Product comparison · 2 data projectors

Acer K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver vs NEC NP-UM351W-WK data projector Standard throw projector 3500 ANSI lumens LCD WXGA (1280x800) White

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  • 44specifications compared
  • 29differ
  • 15identical
  • 62known for one product only

Key differences

  • Projector brightness
    • 700 ANSI lumens
    • 3500 ANSI lumens
  • Projection technology
    • DLP
    • LCD
  • Contrast ratio (typical)
    • 10000:1
    • 4000:1
  • Screen size compatibility
    • 0 - 2540 mm (0 - 100")
    • 1473.2 - 2794 mm (58 - 110")
  • Projection distance
    • 0.6 - 3.2 m
    • 0.45 - 0.85 m
  • Keystone correction, vertical
    • -40 - 40°
    • -10 - 10°
  • Light source type
    • LED
    • Lamp
  • Service life of light source
    • 20000 h
    • 3800 h

Side by side

Differences highlightedShow differences only
106 specifications
A

Acer

K137i Standard throw projector 700 ANSI lumens DLP WXGA (1280x800) Silver

Model K137i

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B

NEC

NP-UM351W-WK data projector Standard throw projector 3500 ANSI lumens LCD WXGA (1280x800) White

Model NP-UM351W-WK

View product
Projector6 differ
Projector brightnessDiffers700 ANSI lumens3500 ANSI lumens
Projection technologyDiffersDLPLCD
Contrast ratio (typical)Differs10000:14000:1
Screen size compatibilityDiffers0 - 2540 mm (0 - 100")1473.2 - 2794 mm (58 - 110")
Projection distanceDiffers0.6 - 3.2 m0.45 - 0.85 m
Horizontal scan rangeKnown for one15 - 100 kHz
Vertical scan rangeKnown for one50 - 120 Hz
Keystone correction, horizontalKnown for one-10 - 10°
Keystone correction, verticalDiffers-40 - 40°-10 - 10°
Matrix sizeKnown for one1.5 cm (0.59")
Native aspect ratioKnown for one16:10
Supported aspect ratiosKnown for one4:3, 16:9, 16:10
Contrast ratio (dynamic)Known for one10000:1
Number of coloursKnown for one1.073 billion colours
Horizontal synchronization (max)Known for one100 kHz
Horizontal synchronization (min)Known for one30 kHz
Vertical synchronization (max)Known for one0.12 kHz
Vertical synchronization (min)Known for one0.05 kHz
Light source3 differ
Light source typeDiffersLEDLamp
Service life of light sourceDiffers20000 h3800 h
Service life of light source (economic mode)Differs30000 h6000 h
Lamp powerKnown for one255 W
Lens system2 differ
Zoom ratioDiffers1.7:11.4:1
Throw ratioDiffers1.5:10.36:1
Focal length rangeKnown for one0 - 14.95 mm
Aperture range (F-F)Known for one0 - 2
Zoom capabilityKnown for oneYes
Zoom typeKnown for oneManual
Video1 differ
Analog signal format systemKnown for oneNTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM
Full HDDiffersYesNo
Supported graphics resolutionsKnown for one1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1400 x 1050 (SXGA+), 1440 x 900 (WXGA+), 1600 x 1200 (UXGA), 640 x 480 (VGA), 800 x 600 (SVGA)
Supported video modesKnown for one1080i, 1080p, 480i, 480p, 576i, 576p, 720p
Video processingKnown for one30 bit
Ports & interfaces1 differ
VGA (D-Sub) ports quantityKnown for one2
HDMI ports quantityDiffers12
Component video (YPbPr/YCbCr) inKnown for one0
Composite video inKnown for one1
DVI portKnown for oneNo
DisplayPorts quantityKnown for one0
Serial interface typeKnown for oneRS-232
PC in (D-Sub)Known for oneYes
USB connector typeKnown for oneUSB Type-A
BNC input portsKnown for one0
CardBus PCMCIA slot typeKnown for oneNo
CardBus PCMCIA slots quantityKnown for one0
AC (power) inKnown for oneYes
Network1 differ
Ethernet LANDiffersNoYes
Ethernet LAN (RJ-45) portsKnown for one1
Wi-FiKnown for oneNo
Storageidentical
Optical disc player typeKnown for oneNot included
Features3 differ
Noise levelDiffers31 dB38 dB
Noise level (economic mode)Differs29 dB28 dB
HDCPDiffersNoYes
On Screen Display (OSD)Known for oneYes
Composite syncKnown for oneYes
Separate H/V syncKnown for oneYes
Sync-on-green (SOG)Known for oneYes
CertificationKnown for oneUSA UL 60950-1 FCC Class B, C-UL CSA 60950-1 ICES-003 Class B
Noise level (high brightness)Known for one37 dB
Projection modesKnown for oneCeiling, Front, Rear
Multimedia2 differ
Number of built-in speakersDiffers21
RMS rated powerDiffers6 W20 W
Video formats supportedKnown for oneH.264, MPEG1, MPEG2, MPEG4, VC-1
Image formats supportedKnown for oneBMP, JPG
Audio formats supportedKnown for oneAAC, MP1, MP2, MP3, PCM, WAV, WMA
Design1 differ
Product colourDiffersSilverWhite
PlacementKnown for oneDesktop
LED indicatorsKnown for oneYes
Market positioningKnown for onePortable
Power2 differ
Power consumption (typical)Differs75 W337 W
Power consumption (standby)Known for one8 W
Power consumption (PowerSave)Differs35 W0.2 W
Power consumption (economy mode)Known for one221 W
AC input frequencyKnown for one50 - 60 Hz
Operational conditions1 differ
Storage temperature (T-T)Known for one-20 - 50 °C
Operating relative humidity (H-H)Differs0 - 80%20 - 80%
Weight & dimensions4 differ
WeightDiffers510 g5.6 kg
WidthDiffers189 mm429 mm
DepthDiffers116 mm592 mm
HeightDiffers41 mm112 mm
Packaging content2 differ
Batteries includedDiffersNoYes
Cables includedDiffersACVGA
Carrying caseKnown for oneYes
Quick start guideKnown for oneYes
Technical detailsidentical
Focus adjustmentKnown for one1.8
Other featuresidentical
RS-232 portsKnown for one1
Maximum digital resolutionKnown for one1920 x 1080 pixels
Displayidentical
Built-in displayKnown for oneNo
Softwareidentical
Windows operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes
Logistics dataidentical
Harmonized System (HS) codeKnown for one85286200

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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