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Product comparison · 2 data projectors

Acer Portable LED K138STi Short throw projector 800 ANSI lumens DLP WXGA (1280x800) White vs Epson EB-585WS Ultra short throw projector 3300 ANSI lumens 3LCD WXGA (1280x800) Grey, White

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  • 38specifications compared
  • 32differ
  • 6identical
  • 73known for one product only

Key differences

  • Projector brightness
    • 800 ANSI lumens
    • 3300 ANSI lumens
  • Projection technology
    • DLP
    • 3LCD
  • Contrast ratio (typical)
    • 100000:1
    • 10000:1
  • Screen size compatibility
    • 635 - 2540 mm (25 - 100")
    • 1524 - 2540 mm (60 - 100")
  • Projector brightness (economic mode)
    • 640 ANSI lumens
    • 1900 ANSI lumens
  • Keystone correction, vertical
    • -40 - 40°
    • ± 3°
  • Light source type
    • LED
    • Lamp
  • Service life of light source
    • 20000 h
    • 4000 h

Side by side

Differences highlightedShow differences only
111 specifications
A

Acer

Portable LED K138STi Short throw projector 800 ANSI lumens DLP WXGA (1280x800) White

Model K138STi

View product
B

Epson

EB-585WS Ultra short throw projector 3300 ANSI lumens 3LCD WXGA (1280x800) Grey, White

Model EB-585WS

View product
Projector6 differ
Projector brightnessDiffers800 ANSI lumens3300 ANSI lumens
Projection technologyDiffersDLP3LCD
Contrast ratio (typical)Differs100000:110000:1
Screen size compatibilityDiffers635 - 2540 mm (25 - 100")1524 - 2540 mm (60 - 100")
Projector brightness (economic mode)Differs640 ANSI lumens1900 ANSI lumens
Keystone correction, horizontalKnown for one± 3°
Keystone correction, verticalDiffers-40 - 40°± 3°
Matrix sizeKnown for one1.5 cm (0.59")
Supported aspect ratiosKnown for one4:3, 16:10, 16:9
Projection distanceKnown for one0.4 - 1.7 m
Number of coloursKnown for one1.073 billion colours
UniformityKnown for one90%
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 h4000 h
Service life of light source (economic mode)Differs30000 h6000 h
Lamp powerKnown for one245 W
Lamps quantityKnown for one1 lamp(s)
Lens system1 differ
Zoom ratioDiffers1.7:11.35:1
Digital zoomKnown for one1.7x
Optical zoomKnown for one1x
Throw ratioKnown for one0.8:1
Video1 differ
Full HDKnown for oneNo
Supported graphics resolutionsDiffers1280 x 800 (WXGA), 1920 x 1080 (HD 1080)1280 x 800 (WXGA)
Video processingKnown for one10 bit
3D ReadyKnown for oneYes
Ports & interfaces5 differ
VGA (D-Sub) ports quantityDiffers13
HDMI ports quantityDiffers12
S-Video inputs quantityDiffers01
USB 2.0 ports quantityDiffers12
Audio (L/R) inDiffers03
Audio (L/R) outKnown for one1
Microphone inKnown for oneYes
Serial interface typeKnown for oneRS-232
Mobile High-Definition Link (MHL)Known for oneYes
Component video (YPbPr/YCbCr) inKnown for one0
Composite video inKnown for one0
DVI portKnown for oneNo
PC Audio inKnown for oneYes
PC Audio outKnown for oneYes
PC in (D-Sub)Known for oneYes
AC (power) inKnown for oneYes
Networkidentical
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Features2 differ
Noise levelDiffers33 dB35 dB
Noise level (economic mode)Differs29 dB28 dB
On Screen Display (OSD)Known for oneYes
Country of originKnown for onePhilippines
Password protectionKnown for oneYes
Multimedia1 differ
Built-in speaker(s)DiffersNoYes
Number of built-in speakersKnown for one2
RMS rated powerKnown for one3 W
Video formats supportedKnown for oneH.264, MPEG1, MPEG2, MPEG4, VC-1, XVID
Audio formats supportedKnown for oneAAC, MP1, MP2, MP3, PCM, WAV, WMA
Design3 differ
Product typeDiffersShort throw projectorUltra short throw projector
Product colourDiffersWhiteGrey, White
PlacementDiffersCeilingCeiling, Wall
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Market positioningKnown for onePortable
Power3 differ
Power sourceDiffersAC/BatteryAC
Power consumption (typical)Differs80 W358 W
Power consumption (standby)Known for one0.33 W
Power consumption (PowerSave)Known for one270 W
AC input voltageDiffers100 - 240 V220 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Power consumption (economy mode)Known for one38 W
Battery life (max)Known for one2.6 h
Softwareidentical
Windows operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes
Linux operating systems supportedKnown for oneYes
Operational conditions2 differ
Operating temperature (T-T)Differs5 - 40 °C5 - 35 °C
Storage temperature (T-T)Known for one-10 - 60 °C
Operating relative humidity (H-H)Differs0 - 80%20 - 80%
Storage relative humidity (H-H)Known for one10 - 90%
Weight & dimensions4 differ
WeightDiffers1 kg5.3 kg
WidthDiffers240 mm367 mm
DepthDiffers147 mm375 mm
HeightDiffers59 mm155 mm
Package widthKnown for one525 mm
Package depthKnown for one796 mm
Package heightKnown for one329 mm
Package weightKnown for one19 kg
Packaging content1 differ
Remote control includedDiffersNoYes
Batteries includedKnown for oneYes
ManualKnown for oneYes
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Pallet gross heightKnown for one127.2 cm
Pallet gross lengthKnown for one120 cm
Pallet gross widthKnown for one80 cm
Pallet height (UK)Known for one127.2 cm
Pallet length (UK)Known for one120 cm
Pallet width (UK)Known for one100 cm
Products per palletKnown for one12 pc(s)
Products per pallet (UK)Known for one12 pc(s)
Products per pallet layerKnown for one2 pc(s)
Products per pallet layer (UK)Known for one2 pc(s)
Other featuresidentical
RS-232 portsKnown for one1
Storageidentical
Card reader integratedKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash)
Displayidentical
Built-in displayKnown for oneNo
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityKnown for one400 mAh

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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