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Product comparison · 2 data projectors

Epson EMP DM1 Home Cinema LCD Projector vs Viewsonic PJ551D data projector Portable projector 2300 ANSI lumens DLP XGA (1024x768) Black

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  • 14specifications compared
  • 11differ
  • 3identical
  • 51known for one product only

Key differences

  • Projector brightness
    • 1000 ANSI lumens
    • 2300 ANSI lumens
  • Projection technology
    • LCD
    • DLP
  • Projector native resolution
    • WVGA (854x480)
    • XGA (1024x768)
  • Lamp power
    • 140 W
    • 180 W
  • Focal length range
    • 16.6 mm
    • 21.95 - 24.18 mm
  • Noise level
    • 28 dB
    • 34 dB
  • Market positioning
    • Home cinema
    • Portable
  • Weight
    • 3.8 kg
    • 2.8 kg

Side by side

Differences highlightedShow differences only
65 specifications
A

Epson

EMP DM1 Home Cinema LCD ProjectorView product
B

Viewsonic

PJ551D data projector Portable projector 2300 ANSI lumens DLP XGA (1024x768) Black

Model PJ551D

View product
Projector4 differ
Projector brightnessDiffers1000 ANSI lumens2300 ANSI lumens
Projection technologyDiffersLCDDLP
Projector native resolutionDiffersWVGA (854x480)XGA (1024x768)
Contrast ratio (typical)Known for one2000:1
Native aspect ratioKnown for one4:3
Supported aspect ratiosKnown for one16:9
Screen size compatibilityDiffers762 - 7620 mm (30 - 300")690.9 - 6350 mm (27.2 - 250")
Horizontal scan rangeKnown for one31 - 79 kHz
Vertical scan rangeKnown for one50 - 85 Hz
Keystone correction, verticalKnown for one±40°
Matrix sizeKnown for one1.4 cm (0.55")
Light source1 differ
Light source typeLampLamp
Service life of light sourceKnown for one3500 h
Service life of light source (economic mode)Known for one4000 h
Lamp powerDiffers140 W180 W
Lamp typeKnown for oneUHE
Lens system1 differ
FocusKnown for oneManual
Focal length rangeDiffers16.6 mm21.95 - 24.18 mm
Zoom capabilityKnown for oneYes
Zoom typeKnown for oneManual
Zoom ratioKnown for one1.1:1
Throw ratioKnown for one1.97 - 2.16:1
Videoidentical
Analog signal format systemKnown for oneNTSC 4.43, NTSC M, SECAM
Full HDKnown for oneNo
3DKnown for oneNo
Supported video modesKnown for one1080i, 480p, 720p
Ports & interfacesidentical
HDMI ports quantityKnown for one0
Component video (YPbPr/YCbCr) inKnown for one1
Composite video in11
DVI portKnown for oneNo
S-Video inputs quantityKnown for one1
USB 2.0 ports quantity11
VGA (D-Sub) ports quantityKnown for one1
Networkidentical
Ethernet LANKnown for oneNo
Ethernet LAN (RJ-45) portsKnown for one0
Wi-FiKnown for oneNo
Storageidentical
Card reader integratedKnown for oneNo
Features1 differ
Noise levelDiffers28 dB34 dB
Noise level (economic mode)Known for one32 dB
CertificationKnown for oneCB, CE, GOST-R, Hygienic, TÜV/GS, UL/cUL, FCC-B, ICES-003, IRAM, NOM, SASO, UKrSEPRO, PSB, C-Tick, EK SABS, CCC, BSMI, WEEE, RoHS
Design1 differ
Product typeKnown for onePortable projector
Market positioningDiffersHome cinemaPortable
Product colourKnown for oneBlack
Displayidentical
Built-in displayKnown for oneNo
Poweridentical
Power sourceKnown for oneAC
Power consumption (typical)Known for one250 W
Power consumption (standby)Known for one9 W
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one10 - 80%
Weight & dimensions1 differ
WeightDiffers3.8 kg2.8 kg
WidthKnown for one271 mm
DepthKnown for one223 mm
HeightKnown for one110 mm
Package weightKnown for one5.9 kg
Packaging contentidentical
Remote control includedKnown for oneYes
Batteries includedKnown for oneYes
Cables includedKnown for oneAC, VGA
Quick start guideKnown for oneYes
Other features2 differ
Aspect ratioDiffers16:94:3, 16:9
Package dimensions (WxDxH)Known for one369 x 194 x 296 mm
Power requirementsDiffers100 - 240 VACAC 100-120/220-240V, 50/60Hz
Audio inputKnown for one2 x RCA
Audio outputKnown for one1 x RCA / 1 x stereo / 1 x optical
Dimensions (WxDxH)Known for one230 x 320 x 127 mm
Multimediaidentical
Number of built-in speakersKnown for one2

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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