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Product comparison · 2 data projectors

BenQ LK990 Large venue projector 6000 ANSI lumens DLP UHD 4K (3840x2160) Black vs BenQ LW820ST data projector Short throw projector 3600 ANSI lumens DLP WXGA (1280x800) White

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  • 53specifications compared
  • 30differ
  • 23identical
  • 43known for one product only

Key differences

  • Projector brightness
    • 6000 ANSI lumens
    • 3600 ANSI lumens
  • Projector native resolution
    • UHD 4K (3840x2160)
    • WXGA (1280x800)
  • Native aspect ratio
    • 16:9
    • 16:10
  • Supported aspect ratios
    • 16:9
    • 16:10
  • Screen size compatibility
    • 762 - 7620 mm (30 - 300")
    • 1524 - 3048 mm (60 - 120")
  • Focal length range
    • 20.58 - 30.3 mm
    • 7.46 - 7.46 mm
  • Aperture range (F-F)
    • 2.13 - 2.38
    • 2.79 - 2.79
  • Throw ratio
    • 1.38 - 2.02
    • 0.52

Side by side

Differences highlightedShow differences only
96 specifications
A

BenQ

LK990 Large venue projector 6000 ANSI lumens DLP UHD 4K (3840x2160) Black

Model LK990

View product
B

BenQ

LW820ST data projector Short throw projector 3600 ANSI lumens DLP WXGA (1280x800) White

Model LW820ST

View product
Projector5 differ
Projector brightnessDiffers6000 ANSI lumens3600 ANSI lumens
Projection technologyDLPDLP
Projector native resolutionDiffersUHD 4K (3840x2160)WXGA (1280x800)
Contrast ratio (typical)3000000:13000000:1
Native aspect ratioDiffers16:916:10
Supported aspect ratiosDiffers16:916:10
Screen size compatibilityDiffers762 - 7620 mm (30 - 300")1524 - 3048 mm (60 - 120")
Number of colours1.073 billion colours1.073 billion colours
Keystone correction, horizontalKnown for one-30 - 30°
Keystone correction, verticalKnown for one-30 - 30°
Matrix sizeKnown for one1.65 cm (0.65")
Matrix typeKnown for oneDMD
Projection distance (wide)Known for one2.89 - 6.09 m
Projection distance (tele)Known for one4.25 - 8.96 m
Horizontal scan rangeKnown for one15 - 135 kHz
Vertical scan rangeKnown for one23 - 120 Hz
Light sourceidentical
Light source typeLaserLaser
Service life of light source20000 h20000 h
Lamps quantity1 lamp(s)1 lamp(s)
Lens system3 differ
FocusManualManual
Focal length rangeDiffers20.58 - 30.3 mm7.46 - 7.46 mm
Aperture range (F-F)Differs2.13 - 2.382.79 - 2.79
Throw ratioDiffers1.38 - 2.020.52
OffsetKnown for one106.1%
Zoom capabilityKnown for oneYes
Zoom typeKnown for oneManual
Zoom ratioKnown for one1.47:1
Video2 differ
Analog signal format systemKnown for oneNTSC, PAL, SECAM
3DKnown for oneNo
Supported graphics resolutionsDiffers640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 832 x 624, 1024 x 576 (WSVGA), 1024 x 600, 1024 x 768 (XGA), 1152 x 864 (XGA+), 1152 x 870, 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 768 (WXGA), 1280 x 800 (WXGA), 3840 x 2160640 x 480 (VGA), 1920 x 1200 (WUXGA)
Supported video modesDiffers480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p480i, 480p, 576i, 576p, 720p, 1080i, 1080p
Full HDKnown for oneYes
Ports & interfaces2 differ
VGA (D-Sub) ports quantityDiffers23
HDMI ports quantityDiffers42
HDMI connector typeFull-sizeFull-size
Component video (YPbPr/YCbCr) inKnown for one0
Composite video inKnown for one1
DVI portNoNo
S-Video inputs quantityKnown for one1
USB 2.0 ports quantity11
Mini-USB 2.0 ports quantityKnown for one1
Audio (L/R) inKnown for one1
Microphone inKnown for oneYes
Serial interface typeRS-232RS-232
PC Audio inKnown for oneYes
PC Audio outKnown for oneYes
Mobile High-Definition Link (MHL)Known for oneYes
HDMI versionKnown for one2.0
HDBaseT portKnown for oneYes
USB 2.0 Type-B ports quantityKnown for one1
Audio (L/R) outKnown for one1
AC (power) inKnown for oneYes
Networkidentical
Smart TVNoNo
Ethernet LANYesYes
Ethernet LAN (RJ-45) ports11
Wi-FiNoNo
Storageidentical
Card reader integratedNoNo
Features4 differ
Noise levelDiffers37 dB33 dB
Noise level (economic mode)Differs34 dB29 dB
On Screen Display (OSD)YesYes
On Screen Display (OSD) languagesDiffersArabic, Bulgarian, Simplified Chinese, Traditional Chinese, Croatian, Czech, Danish, German, Dutch, English, Spanish, Finnish, French, Greek, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Swedish, Thai, Turkish, VietnameseArabic, Bulgarian, Simplified Chinese, Traditional Chinese, Croatian, Czech, Danish, German, English, Spanish, Finnish, French, Greek, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Swedish, Thai, Turkish
Number of OSD languagesDiffers3028
HDCPKnown for oneYes
Multimedia1 differ
Built-in speaker(s)DiffersNoYes
Number of built-in speakersKnown for one1
RMS rated powerKnown for one10 W
Design4 differ
Product typeDiffersLarge venue projectorShort throw projector
Market positioningDiffersHome cinemaPresentation
Product colourDiffersBlackWhite
PlacementDiffersCeiling, FloorDesktop
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Displayidentical
Built-in displayNoNo
Power4 differ
Power sourceACAC
Power consumption (typical)Differs655 W283 W
Power consumption (standby)Differs2 W0.5 W
Power consumption (max)Differs745 W320 W
Power consumption (economy mode)Differs470 W234 W
AC input voltage100 - 240 V100 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)Known for one-20 - 60 °C
Operating relative humidity (H-H)Known for one10 - 90%
Storage relative humidity (H-H)Known for one10 - 90%
Operating altitudeKnown for one0 - 1499 m
Weight & dimensions4 differ
WeightDiffers20.2 kg5.6 kg
WidthDiffers470.7 mm410 mm
DepthDiffers564.7 mm272 mm
HeightDiffers224.9 mm158 mm
Packaging content1 differ
Remote control includedYesYes
Batteries includedYesYes
Cables includedDiffersACAC, VGA
ManualKnown for oneYes
Remote control typeKnown for oneIR
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Harmonized System (HS) codeKnown for one85286200

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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