Product comparison · 2 data projectors

Acer Value 311WH Standard throw projector 2700 ANSI lumens DLP WXGA (1280x800) Black vs Epson PowerLite 1945W

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  • 44specifications compared
  • 33differ
  • 11identical
  • 41known for one product only

Key differences

  • Projector brightness
    • Value 311WH Standard throw projector 2700 ANSI lumens DLP WXGA (1280x800) Black:2700 ANSI lumens
    • PowerLite 1945W:4200 ANSI lumens
  • Projection technology
    • Value 311WH Standard throw projector 2700 ANSI lumens DLP WXGA (1280x800) Black:DLP
    • PowerLite 1945W:LCD
  • Contrast ratio (typical)
    • Value 311WH Standard throw projector 2700 ANSI lumens DLP WXGA (1280x800) Black:10000:1
    • PowerLite 1945W:3000:1
  • Number of colours
    • Value 311WH Standard throw projector 2700 ANSI lumens DLP WXGA (1280x800) Black:1.073 billion colours
    • PowerLite 1945W:16.78 million colours
  • Uniformity
    • Value 311WH Standard throw projector 2700 ANSI lumens DLP WXGA (1280x800) Black:85%
    • PowerLite 1945W:89%
  • Keystone correction, vertical
    • Value 311WH Standard throw projector 2700 ANSI lumens DLP WXGA (1280x800) Black:-40/+40°
    • PowerLite 1945W:-30 - 30°
  • Service life of light source
    • Value 311WH Standard throw projector 2700 ANSI lumens DLP WXGA (1280x800) Black:5000 h
    • PowerLite 1945W:2500 h
  • Service life of light source (economic mode)
    • Value 311WH Standard throw projector 2700 ANSI lumens DLP WXGA (1280x800) Black:7000 h
    • PowerLite 1945W:4000 h

Side by side

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Comparison of 311WH, PowerLite 1945W
85 specifications
Projector6 differ
Projector brightnessDiffers2700 ANSI lumens4200 ANSI lumens
Projection technologyDiffersDLPLCD
Projector native resolutionWXGA (1280x800)WXGA (1280x800)
Contrast ratio (typical)Differs10000:13000:1
Screen size compatibilityKnown for oneUnknown — not stated by the source736.6 - 7112 mm (29 - 280")
Number of coloursDiffers1.073 billion colours16.78 million colours
UniformityDiffers85%89%
Keystone correction, horizontalKnown for oneUnknown — not stated by the source-30 - 30°
Keystone correction, verticalDiffers-40/+40°-30 - 30°
Native aspect ratioKnown for one16:10Unknown — not stated by the source
Projection distanceKnown for one1.2 - 9.7 mUnknown — not stated by the source
Horizontal synchronization (max)Known for one100 kHzUnknown — not stated by the source
Vertical synchronization (max)Known for one0.120 kHzUnknown — not stated by the source
Light source4 differ
Light source typeLampLamp
Service life of light sourceDiffers5000 h2500 h
Service life of light source (economic mode)Differs7000 h4000 h
Lamp typeDiffersP-VIPUHE
Lamp powerDiffers180 W245 W
Lens system3 differ
FocusKnown for oneUnknown — not stated by the sourceAuto/Manual
Focal length rangeDiffers21 - 23 mm18.2 - 29.2 mm
Aperture range (F-F)Differs2.56 - 2.81.51 - 1.99
Zoom ratioDiffers1.1:11.6:1
Throw ratioKnown for oneUnknown — not stated by the source1.38 - 2.24:1
Zoom capabilityKnown for oneYesUnknown — not stated by the source
Digital zoomKnown for one2xUnknown — not stated by the source
Video2 differ
Analog signal format systemDiffersNTSC, PAL, SECAMNTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM
Full HDDiffersNoYes
HD-ReadyKnown for oneUnknown — not stated by the sourceYes
3DKnown for oneUnknown — not stated by the sourceYes
Supported video modesKnown for oneUnknown — not stated by the source1080i, 1080p, 480i, 480p, 576i, 576p, 720p
Supported graphics resolutionsKnown for one1920 x 1080 (HD 1080)Unknown — not stated by the source
Ports & interfaces4 differ
VGA (D-Sub) ports quantityDiffers21
HDMI ports quantity11
DVI portNoNo
DisplayPorts quantityKnown for oneUnknown — not stated by the source1
S-Video inputs quantityDiffers10
USB 2.0 ports quantityDiffers13
Audio (L/R) inKnown for oneUnknown — not stated by the source1
Serial interface typeRS-232RS-232
PC Audio inKnown for oneUnknown — not stated by the sourceYes
USB connector typeDiffersMini-USB BUSB Type-A, USB Type-B
AC (power) inKnown for oneUnknown — not stated by the sourceYes
Composite video inKnown for one1Unknown — not stated by the source
Headphone outputsKnown for one1Unknown — not stated by the source
Microphone inKnown for oneYesUnknown — not stated by the source
Network2 differ
Ethernet LANDiffersNoYes
Ethernet LAN (RJ-45) portsKnown for oneUnknown — not stated by the source1
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source10,100 Mbit/s
Wi-FiDiffersNoYes
Wi-Fi standardsKnown for oneUnknown — not stated by the source802.11b, 802.11g, Wi-Fi 4 (802.11n)
Storageidentical
Card reader integratedNoNo
Features1 differ
Noise levelDiffers30 dB37 dB
Noise level (economic mode)Known for oneUnknown — not stated by the source29 dB
Noise reductionKnown for oneUnknown — not stated by the sourceYes
HDCPKnown for oneNoUnknown — not stated by the source
Multimedia1 differ
Built-in speaker(s)YesYes
Number of built-in speakers11
RMS rated powerDiffers2 W10 W
Design2 differ
Product typeStandard throw projectorStandard throw projector
Product colourDiffersBlackWhite
PlacementDiffersDesktopDesktop, Ceiling
Cable lock slotKnown for oneUnknown — not stated by the sourceYes
Cable lock slot typeKnown for oneUnknown — not stated by the sourceKensington
Market positioningKnown for oneHome cinemaUnknown — not stated by the source
Power3 differ
Power sourceACAC
Power consumption (typical)Differs305 W311 W
Power consumption (standby)Differs1 W3.8 W
AC input voltageDiffers110 - 220 V100 - 240 V
AC input frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source5 - 35 °C
Weight & dimensions4 differ
WeightDiffers2.5 kg3.9 kg
WidthDiffers280 mm377 mm
DepthDiffers230 mm271 mm
HeightDiffers84 mm93 mm
Package weightKnown for oneUnknown — not stated by the source5.5 kg
Packaging content1 differ
Remote control includedDiffersNoYes
ManualKnown for oneUnknown — not stated by the sourceYes
Quick start guideKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
Aspect ratioKnown for oneUnknown — not stated by the source16:10
Package dimensions (WxDxH)Known for oneUnknown — not stated by the source516.9 x 341.9 x 195.6 mm
Network readyKnown for oneUnknown — not stated by the sourceYes
RS-232 ports11
Displayidentical
Built-in displayKnown for oneNoUnknown — not stated by the source
Softwareidentical
Windows operating systems supportedKnown for oneYesUnknown — not stated by the source
Mac operating systems supportedKnown for oneYesUnknown — not stated by the source

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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