Product comparison · 2 data projectors

BenQ LK970 Large venue projector 5000 ANSI lumens DLP 4K (4096x2400) Black vs BenQ SX751 Standard throw projector 4300 ANSI lumens XGA (1024x768) White

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  • 45specifications compared
  • 27differ
  • 18identical
  • 48known for one product only

Key differences

  • Projector brightness
    • LK970 Large venue projector 5000 ANSI lumens DLP 4K (4096x2400) Black:5000 ANSI lumens
    • SX751 Standard throw projector 4300 ANSI lumens XGA (1024x768) White:4300 ANSI lumens
  • Projector native resolution
    • LK970 Large venue projector 5000 ANSI lumens DLP 4K (4096x2400) Black:4K (4096x2400)
    • SX751 Standard throw projector 4300 ANSI lumens XGA (1024x768) White:XGA (1024x768)
  • Contrast ratio (typical)
    • LK970 Large venue projector 5000 ANSI lumens DLP 4K (4096x2400) Black:100000:1
    • SX751 Standard throw projector 4300 ANSI lumens XGA (1024x768) White:13000:1
  • Native aspect ratio
    • LK970 Large venue projector 5000 ANSI lumens DLP 4K (4096x2400) Black:16:9
    • SX751 Standard throw projector 4300 ANSI lumens XGA (1024x768) White:4:3
  • Horizontal scan range
    • LK970 Large venue projector 5000 ANSI lumens DLP 4K (4096x2400) Black:15 - 135 kHz
    • SX751 Standard throw projector 4300 ANSI lumens XGA (1024x768) White:15 - 102 kHz
  • Light source type
    • LK970 Large venue projector 5000 ANSI lumens DLP 4K (4096x2400) Black:Laser
    • SX751 Standard throw projector 4300 ANSI lumens XGA (1024x768) White:Lamp
  • Service life of light source
    • LK970 Large venue projector 5000 ANSI lumens DLP 4K (4096x2400) Black:20000 h
    • SX751 Standard throw projector 4300 ANSI lumens XGA (1024x768) White:2500 h
  • Service life of light source (economic mode)
    • LK970 Large venue projector 5000 ANSI lumens DLP 4K (4096x2400) Black:60000 h
    • SX751 Standard throw projector 4300 ANSI lumens XGA (1024x768) White:3500 h

Side by side

Differences highlightedShow differences only (on)
Comparison of LK970, SX751
93 specifications
Projector5 differ
Projector brightnessDiffers5000 ANSI lumens4300 ANSI lumens
Projector native resolutionDiffers4K (4096x2400)XGA (1024x768)
Contrast ratio (typical)Differs100000:113000:1
Native aspect ratioDiffers16:94:3
Supported aspect ratiosKnown for oneUnknown — not stated by the source4:3, 16:10, 16:9
Screen size compatibilityKnown for oneUnknown — not stated by the source546.1 - 6850.4 mm (21.5 - 269.7")
Horizontal scan rangeDiffers15 - 135 kHz15 - 102 kHz
Keystone correction, horizontalKnown for oneUnknown — not stated by the source-30 - 30°
Keystone correction, verticalKnown for oneUnknown — not stated by the source-30 - 30°
Matrix typeKnown for oneUnknown — not stated by the sourceDMD
Projection technologyKnown for oneDLPUnknown — not stated by the source
Light source3 differ
Light source typeDiffersLaserLamp
Service life of light sourceDiffers20000 h2500 h
Service life of light source (economic mode)Differs60000 h3500 h
Lamp powerKnown for oneUnknown — not stated by the source310 W
Lamps quantityKnown for one1 lamp(s)Unknown — not stated by the source
Lens system3 differ
Focal length rangeKnown for oneUnknown — not stated by the source20.7 - 31.05 mm
Aperture range (F-F)Differs2.13 - 2.382.42 - 2.97
Zoom capabilityKnown for oneUnknown — not stated by the sourceYes
Zoom typeKnown for oneUnknown — not stated by the sourceManual
Zoom ratioDiffers1.47:11.5:1
Throw ratioDiffers1.38 - 2.02:11.83 - 2.75:1
OffsetKnown for oneUnknown — not stated by the source113.9%
FocusKnown for oneManualUnknown — not stated by the source
Horizontal lens shift rangeKnown for one-25 - 25%Unknown — not stated by the source
Vertical lens shift rangeKnown for one-60 - 60%Unknown — not stated by the source
Video2 differ
Supported graphics resolutionsDiffers640 x 480 (VGA), 3840 x 2160640 x 480 (VGA), 720 x 480, 720 x 576, 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 720 (HD 720), 1280 x 768 (WXGA), 1280 x 800 (WXGA), 1280 x 960, 1360 x 768 (WXGA), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA)
Supported video modesDiffers480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p480i, 480p, 576i, 576p, 720p, 1080i, 1080p
Full HDKnown for oneNoUnknown — not stated by the source
Ports & interfaces2 differ
VGA (D-Sub) ports quantityDiffers32
HDMI connector typeKnown for oneUnknown — not stated by the sourceFull-size
Component video (YPbPr/YCbCr) inKnown for oneUnknown — not stated by the source0
Composite video inKnown for oneUnknown — not stated by the source1
S-Video inputs quantityDiffers21
Audio (L/R) inKnown for oneUnknown — not stated by the source1
Microphone inKnown for oneUnknown — not stated by the sourceYes
PC Audio inKnown for oneUnknown — not stated by the sourceYes
PC Audio outKnown for oneUnknown — not stated by the sourceYes
12V triggerKnown for oneUnknown — not stated by the sourceYes
Mobile High-Definition Link (MHL)Known for oneUnknown — not stated by the sourceYes
HDBaseT portKnown for oneYesUnknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one1Unknown — not stated by the source
Networkidentical
Wi-FiKnown for oneUnknown — not stated by the sourceNo
Storageidentical
Card reader integratedKnown for oneUnknown — not stated by the sourceNo
Features2 differ
Noise levelDiffers37 dB36 dB
Noise level (economic mode)Known for oneUnknown — not stated by the source31 dB
On Screen Display (OSD) languagesDiffersArabic, Bulgarian, Simplified Chinese, Traditional Chinese, Croatian, Czech, Danish, German, Dutch, English, Spanish, Finnish, French, Greek, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Swedish, Thai, TurkishArabic, Bulgarian, Simplified Chinese, Traditional Chinese, Croatian, Czech, Danish, German, Dutch, English, Spanish, Finnish, French, Greek, Hindi, Hungarian, Indonesian, Italian, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Swedish, Thai, Turkish
Multimediaidentical
Built-in speaker(s)Known for oneUnknown — not stated by the sourceYes
Number of built-in speakersKnown for oneUnknown — not stated by the source1
RMS rated powerKnown for oneUnknown — not stated by the source10 W
Design3 differ
Product typeDiffersLarge venue projectorStandard throw projector
Market positioningDiffersPresentationBusiness
Product colourDiffersBlackWhite
Cable lock slotKnown for oneUnknown — not stated by the sourceYes
Cable lock slot typeKnown for oneUnknown — not stated by the sourceKensington
Displayidentical
Built-in displayKnown for oneUnknown — not stated by the sourceNo
Power3 differ
Power consumption (typical)Differs540 W365 W
Power consumption (max)Differs595 W420 W
Power consumption (network standby)Differs3 W2 W
Power consumption (economy mode)Known for oneUnknown — not stated by the source290 W
AC input voltageKnown for oneUnknown — not stated by the source100 - 240 V
AC input frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
Power consumption (PowerSave)Known for one430 WUnknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source0 - 40 °C
Storage temperature (T-T)Known for oneUnknown — not stated by the source-20 - 60 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source10 - 90%
Storage relative humidity (H-H)Known for oneUnknown — not stated by the source10 - 90%
Weight & dimensions4 differ
WeightDiffers19.2 kg3.3 kg
WidthDiffers470.7 mm314 mm
DepthDiffers564.7 mm233 mm
HeightDiffers224.9 mm117 mm
Packaging contentidentical
Batteries includedKnown for oneUnknown — not stated by the sourceYes
Cables includedKnown for oneUnknown — not stated by the sourceAC, VGA
Remote control typeKnown for oneIRUnknown — not stated by the source
ManualKnown 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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