Product comparison · 2 data projectors

Dell M115HD data projector Portable projector 450 ANSI lumens DLP WXGA (1280x800) Black vs NEC NP-V311X data projector Standard throw projector 3100 ANSI lumens DLP XGA (1024x768) White

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  • 53specifications compared
  • 39differ
  • 14identical
  • 44known for one product only

Key differences

  • Projector brightness
    • M115HD data projector Portable projector 450 ANSI lumens DLP WXGA (1280x800) Black:450 ANSI lumens
    • NP-V311X data projector Standard throw projector 3100 ANSI lumens DLP XGA (1024x768) White:3100 ANSI lumens
  • Projector native resolution
    • M115HD data projector Portable projector 450 ANSI lumens DLP WXGA (1280x800) Black:WXGA (1280x800)
    • NP-V311X data projector Standard throw projector 3100 ANSI lumens DLP XGA (1024x768) White:XGA (1024x768)
  • Contrast ratio (typical)
    • M115HD data projector Portable projector 450 ANSI lumens DLP WXGA (1280x800) Black:10000:1
    • NP-V311X data projector Standard throw projector 3100 ANSI lumens DLP XGA (1024x768) White:3000:1
  • Screen size compatibility
    • M115HD data projector Portable projector 450 ANSI lumens DLP WXGA (1280x800) Black:762 - 2032 mm (30 - 80")
    • NP-V311X data projector Standard throw projector 3100 ANSI lumens DLP XGA (1024x768) White:838.2 - 7620 mm (33 - 300")
  • Projection distance
    • M115HD data projector Portable projector 450 ANSI lumens DLP WXGA (1280x800) Black:0.97 - 2.58 m
    • NP-V311X data projector Standard throw projector 3100 ANSI lumens DLP XGA (1024x768) White:1.2 - 12 m
  • Matrix size
    • M115HD data projector Portable projector 450 ANSI lumens DLP WXGA (1280x800) Black:1.14 cm (0.45")
    • NP-V311X data projector Standard throw projector 3100 ANSI lumens DLP XGA (1024x768) White:1.4 cm (0.55")
  • Light source type
    • M115HD data projector Portable projector 450 ANSI lumens DLP WXGA (1280x800) Black:LED
    • NP-V311X data projector Standard throw projector 3100 ANSI lumens DLP XGA (1024x768) White:Lamp
  • Service life of light source
    • M115HD data projector Portable projector 450 ANSI lumens DLP WXGA (1280x800) Black:30000 h
    • NP-V311X data projector Standard throw projector 3100 ANSI lumens DLP XGA (1024x768) White:3000 h

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Differences highlightedShow differences only (off)
Comparison of M115HD, NP-V311X
97 specifications
Projector6 differ
Projector brightnessDiffers450 ANSI lumens3100 ANSI lumens
Projection technologyDLPDLP
Projector native resolutionDiffersWXGA (1280x800)XGA (1024x768)
Contrast ratio (typical)Differs10000:13000:1
Screen size compatibilityDiffers762 - 2032 mm (30 - 80")838.2 - 7620 mm (33 - 300")
Projection distanceDiffers0.97 - 2.58 m1.2 - 12 m
Horizontal scan rangeKnown for oneUnknown — not stated by the source15 - 100 kHz
Vertical scan rangeKnown for oneUnknown — not stated by the source50 - 120 Hz
Keystone correction, horizontalKnown for oneUnknown — not stated by the source-40 - 40°
Keystone correction, verticalKnown for oneUnknown — not stated by the source-40 - 40°
Matrix sizeDiffers1.14 cm (0.45")1.4 cm (0.55")
Native aspect ratioKnown for one16:10Unknown — not stated by the source
Supported aspect ratiosKnown for one16:10Unknown — not stated by the source
Number of coloursKnown for one1.073 billion coloursUnknown — not stated by the source
UniformityKnown for one80%Unknown — not stated by the source
Light source3 differ
Light source typeDiffersLEDLamp
Service life of light sourceDiffers30000 h3000 h
Service life of light source (economic mode)Differs30000 h5000 h
Lamp powerKnown for oneUnknown — not stated by the source225 W
Lamps quantityKnown for oneUnknown — not stated by the source1 lamp(s)
Lens system3 differ
FocusKnown for oneUnknown — not stated by the sourceManual
Focal length rangeDiffers14.95 - 14.95 mm21.83 - 24 mm
Zoom ratioDiffersFixed1.1:1
Throw ratioDiffers1.5:11.95 - 2.15:1
Aperture range (F-F)Known for one2 - 2Unknown — not stated by the source
OffsetKnown for one100%Unknown — not stated by the source
Video1 differ
Analog signal format systemKnown for oneUnknown — not stated by the sourceNTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM
Full HDNoNo
Supported graphics resolutionsKnown for oneUnknown — not stated by the source1024 x 768 (XGA), 1600 x 1200 (UXGA)
Supported video modesDiffers1080p, 480i, 480p, 576i, 576p, 720p1080i, 480p, 576i, 576p, 720p
3DKnown for oneNoUnknown — not stated by the source
Ports & interfaces5 differ
VGA (D-Sub) ports quantityDiffers13
HDMI ports quantity11
Component video (YPbPr/YCbCr) inDiffers02
DisplayPorts quantityKnown for oneUnknown — not stated by the source0
S-Video inputs quantityDiffers01
Audio (L/R) inDiffers01
Headphone outputsDiffers10
Microphone inKnown for oneUnknown — not stated by the sourceNo
Serial interface typeKnown for oneUnknown — not stated by the sourceRS-232
PC Audio inKnown for oneUnknown — not stated by the sourceNo
PC Audio outKnown for oneUnknown — not stated by the sourceNo
BNC input portsKnown for oneUnknown — not stated by the source0
CardBus PCMCIA slot typeKnown for oneUnknown — not stated by the sourceNo
CardBus PCMCIA slots quantityKnown for oneUnknown — not stated by the source0
Digital audio optical outKnown for oneUnknown — not stated by the source0
AC (power) inKnown for oneUnknown — not stated by the sourceYes
HDMI versionKnown for one1.3Unknown — not stated by the source
Composite video inKnown for one0Unknown — not stated by the source
DVI portKnown for oneNoUnknown — not stated by the source
USB 2.0 ports quantityKnown for one1Unknown — not stated by the source
DC-in jackKnown for oneYesUnknown — not stated by the source
Network2 differ
Ethernet LANDiffersNoYes
Ethernet LAN (RJ-45) portsDiffers01
Wi-FiNoNo
Storage2 differ
Card reader integratedDiffersYesNo
Compatible memory cardsDiffersMicroSD (TransFlash)Not supported
Optical disc player typeKnown for oneUnknown — not stated by the sourceNot included
Internal storage capacityKnown for one1 GBUnknown — not stated by the source
Features1 differ
Noise levelDiffers36 dB37 dB
Plug and PlayKnown for oneUnknown — not stated by the sourceNo
CertificationKnown for oneUnknown — not stated by the sourceUL 1950 FCC Class B, CSA 950 (C-UL), NOM
Noise level (economic mode)Known for one32 dBUnknown — not stated by the source
HDCPKnown for oneYesUnknown — not stated by the source
Multimedia1 differ
Built-in speaker(s)YesYes
Number of built-in speakers11
RMS rated powerDiffers1 W7 W
TV tuner integratedKnown for oneUnknown — not stated by the sourceNo
Design3 differ
Product typeDiffersPortable projectorStandard throw projector
Market positioningPortablePortable
Product colourDiffersBlackWhite
PlacementDiffersTripodDesktop, Ceiling
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Power3 differ
Power sourceACAC
Power consumption (typical)Differs52 W278 W
Power consumption (standby)Differs0.5 W4 W
Power consumption (PowerSave)Differs42 W0.4 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Operational conditions3 differ
Operating temperature (T-T)Differs5 - 35 °C5 - 40 °C
Storage temperature (T-T)Differs0 - 60 °C-20 - 50 °C
Operating relative humidity (H-H)Differs0 - 80%20 - 80%
Storage relative humidity (H-H)Known for one0 - 90%Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers360 g2.5 kg
WidthDiffers105.3 mm310 mm
DepthDiffers104 mm247 mm
HeightDiffers36.5 mm95 mm
Packaging content1 differ
Remote control includedDiffersNoYes
Batteries includedKnown for oneUnknown — not stated by the sourceYes
ManualYesYes
Quick start guideYesYes
AC adapter includedKnown for oneYesUnknown — not stated by the source
Cables includedKnown for oneVGAUnknown — not stated by the source
Carrying caseKnown for oneYesUnknown — not stated by the source
Other features1 differ
RS-232 portsDiffers01
Displayidentical
Built-in displayKnown for oneNoUnknown — 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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