Product comparison · 2 data projectors

BenQ LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White vs BenQ LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White

Add a product
  • 62specifications compared
  • 10differ
  • 52identical
  • 6known for one product only

Key differences

  • Projector brightness
    • LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:4000 ANSI lumens
    • LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:5000 ANSI lumens
  • Horizontal scan range
    • LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:15 - 102 kHz
    • LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:15 - 135 kHz
  • Focal length range
    • LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:16.901 - 21.6076 mm
    • LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:20.911 - 32.624 mm
  • Aperture range (F-F)
    • LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:2.43 - 2.78
    • LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:2.5 - 3.26
  • Zoom ratio
    • LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1.3:1
    • LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:1.6:1
  • Throw ratio
    • LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1.13 - 1.47
    • LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:1.4~2.24
  • Serial interface type
    • LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:RJ-45, RS-232
    • LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:RS-232
  • Noise level
    • LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:32 dB
    • LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:34 dB

Side by side

Differences highlightedShow differences only (off)
Comparison of LH655, LH740
68 specifications
Projector2 differ
Projector brightnessDiffers4000 ANSI lumens5000 ANSI lumens
Projection technologyDLPDLP
Projector native resolution1080p (1920x1080)1080p (1920x1080)
Contrast ratio (typical)3000000:13000000:1
Native aspect ratio16:916:9
Smart projectorKnown for oneNoUnknown — not stated by the source
Screen size compatibilityKnown for one0 - 2540 mm (0 - 100")Unknown — not stated by the source
Number of colours1.07 billion colours1.07 billion colours
Horizontal scan rangeDiffers15 - 102 kHz15 - 135 kHz
Vertical scan range23 - 120 Hz23 - 120 Hz
Keystone correction, horizontal40°40°
Keystone correction, vertical40°40°
Light sourceidentical
Light source typeLaserLaser
Service life of light source20000 h20000 h
Service life of light source (economic mode)30000 h30000 h
Lens system4 differ
FocusManualManual
Focal length rangeDiffers16.901 - 21.6076 mm20.911 - 32.624 mm
Aperture range (F-F)Differs2.43 - 2.782.5 - 3.26
Zoom capabilityYesYes
Zoom ratioDiffers1.3:11.6:1
Throw ratioDiffers1.13 - 1.471.4~2.24
Offset113%113%
Videoidentical
Analog signal format systemKnown for oneNot supportedUnknown — not stated by the source
Full HDYesYes
3DYesYes
Supported graphics resolutions640 x 480 (VGA), 1920 x 1080 (HD 1080)640 x 480 (VGA), 1920 x 1080 (HD 1080)
Supported video modes1080p1080p
Video colour modesDICOM simulation mode, Presentation, VividDICOM simulation mode, Presentation, Vivid
Ports & interfaces1 differ
HDMI ports quantity22
HDMI version1.4a1.4a
Audio (L/R) inKnown for one1Unknown — not stated by the source
Headphone outputs11
Serial interface typeDiffersRJ-45, RS-232RS-232
PC Audio outYesYes
AC (power) inYesYes
USB 2.0 Type-A ports quantityKnown for oneUnknown — not stated by the source2
Networkidentical
Smart TVNoNo
Ethernet LANYesYes
Ethernet LAN (RJ-45) ports11
Wi-FiYesYes
Features1 differ
Noise levelDiffers32 dB34 dB
Noise level (economic mode)29 dB29 dB
HDCPYesYes
On Screen Display (OSD)YesYes
Multimediaidentical
Built-in speaker(s)YesYes
RMS rated power15 W15 W
Designidentical
Product typeStandard throw projectorStandard throw projector
Market positioningBusinessBusiness
Product colourWhiteWhite
PlacementCeilingCeiling
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Displayidentical
Built-in displayNoNo
Power1 differ
Power sourceACAC
Power consumption (typical)Differs175 W210 W
Power consumption (standby)0.5 W0.5 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50/60 Hz50/60 Hz
Cord lengthKnown for one1.8 mUnknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Weight & dimensions1 differ
WeightDiffers3.1 kg3.3 kg
Width279.2 mm279.2 mm
Depth120.5 mm120.5 mm
Height224.8 mm224.8 mm
Packaging contentidentical
Remote control includedYesYes
Batteries includedYesYes
Cables includedAC, HDMIAC, HDMI
ManualYesYes

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.

More data projector comparisons

All data projector comparisons