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Product comparison · 2 data projectors

Acer K138ST + 3Y Carry-In vs NEC P452H Large venue projector 4500 ANSI lumens DLP 1080p (1920x1080) White

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  • 40specifications compared
  • 20differ
  • 20identical
  • 46known for one product only

Key differences

  • Projector brightness
    • 800 ANSI lumens
    • 4500 ANSI lumens
  • Projector native resolution
    • WXGA (1280x800)
    • 1080p (1920x1080)
  • Contrast ratio (typical)
    • 100000:1
    • 6000:1
  • Screen size compatibility
    • 635 - 2540 mm (25 - 100")
    • 762 - 7620 mm (30 - 300")
  • Keystone correction, vertical
    • -20 - 20°
    • ± 30°
  • Service life of light source
    • 20000 h
    • 5000 h
  • Throw ratio
    • 0.8:1
    • 1.24 - 2.11:1
  • Full HD
    • No
    • Yes

Side by side

Differences highlightedShow differences only
86 specifications
A

Acer

K138ST + 3Y Carry-InView product
B

NEC

P452H Large venue projector 4500 ANSI lumens DLP 1080p (1920x1080) White

Model P452H

View product
Projector5 differ
Projector brightnessDiffers800 ANSI lumens4500 ANSI lumens
Projection technologyDLPDLP
Projector native resolutionDiffersWXGA (1280x800)1080p (1920x1080)
Contrast ratio (typical)Differs100000:16000:1
Screen size compatibilityDiffers635 - 2540 mm (25 - 100")762 - 7620 mm (30 - 300")
Projection distance (wide)Known for one2.6 - 46.6 m
Projection distance (tele)Known for one0.8 - 14.2 m
Keystone correction, horizontalKnown for one± 25°
Keystone correction, verticalDiffers-20 - 20°± 30°
Matrix sizeKnown for one1.65 cm (0.65")
Matrix typeKnown for oneDMD
Native aspect ratioKnown for one16:10
Supported aspect ratiosKnown for one4:3, 16:9, 16:10
Projection distanceKnown for one0.4 - 1.7 m
Number of coloursKnown for one1.073 billion colours
Vertical scan rangeKnown for one50 - 120 Hz
Horizontal synchronization (max)Known for one100 kHz
Horizontal synchronization (min)Known for one30 kHz
Vertical synchronization (max)Known for one120 kHz
Vertical synchronization (min)Known for one50 kHz
Light source1 differ
Service life of light sourceDiffers20000 h5000 h
Service life of light source (economic mode)Known for one30000 h
Lamps quantityKnown for one1 lamp(s)
Lens system1 differ
FocusManualManual
Focal length rangeKnown for one18.2 - 31.1 mm
Zoom ratioKnown for one1.7:1
Throw ratioDiffers0.8:11.24 - 2.11:1
Horizontal lens shift rangeKnown for one0 - 0.59°
Vertical lens shift rangeKnown for one-0.28 - 0.28°
Digital zoomKnown for one1.7x
Video2 differ
Analog signal format systemKnown for oneNTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM
Full HDDiffersNoYes
3DDiffersYesNo
Supported video modesKnown for one480i, 480p, 576i, 576p, 720p, 1080i, 1080p
3D ReadyKnown for oneYes
Ports & interfaces1 differ
VGA (D-Sub) ports quantity11
HDMI ports quantityDiffers12
Component video (YPbPr/YCbCr) in00
DVI portKnown for oneNo
S-Video inputs quantity00
USB 2.0 ports quantity11
Audio (L/R) inKnown for one1
Audio (L/R) outKnown for one2
Serial interface typeKnown for oneRS-232
DC-in jackKnown for oneYes
Composite video inKnown for one0
AC (power) inKnown for oneYes
Network2 differ
Ethernet LANDiffersNoYes
Ethernet LAN (RJ-45) portsDiffers01
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Wi-FiNoNo
Storageidentical
Card reader integratedNoNo
Features2 differ
Noise levelDiffers33 dB39 dB
Noise level (economic mode)Differs29 dB31 dB
Multimedia1 differ
Built-in speaker(s)YesYes
Number of built-in speakers22
RMS rated powerDiffers6 W20 W
Design1 differ
Product typeDiffersPortable projectorLarge venue projector
Product colourWhiteWhite
PlacementKnown for oneDesktop
Market positioningKnown for onePortable
Displayidentical
Built-in displayNoNo
Power2 differ
Power sourceACAC
Power consumption (typical)Differs80 W462 W
Power consumption (standby)Known for one2.7 W
Power consumption (PowerSave)Known for one0.26 W
Power consumption (economy mode)Differs38 W288 W
AC input voltage100 - 240 V100 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Operational conditionsidentical
Operating temperature (T-T)5 - 40 °C5 - 40 °C
Storage temperature (T-T)Known for one-10 - 50 °C
Operating relative humidity (H-H)Known for one20 - 80%
Weight & dimensions1 differ
WeightDiffers750 g5.5 kg
WidthKnown for one362 mm
DepthKnown for one302 mm
HeightKnown for one128 mm
Packaging contentidentical
Remote control includedYesYes
Batteries includedYesYes
Cables includedACAC
ManualYesYes
Quick start guideYesYes
Carrying caseKnown for oneYes
Other features1 differ
RS-232 portsDiffers01
Maximum digital resolutionKnown for one1920 x 1080 pixels
Softwareidentical
Windows operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes

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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