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Product comparison · 2 data projectors

Acer H6521BD Plus vs Viewsonic PX747-4K data projector Standard throw projector 3500 ANSI lumens DLP UHD 4K (3840x2160) White

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  • 45specifications compared
  • 23differ
  • 22identical
  • 54known for one product only

Key differences

  • Projector native resolution
    • WUXGA (1920x1200)
    • UHD 4K (3840x2160)
  • Native aspect ratio
    • 16:10
    • 16:9
  • Projection distance
    • 1 - 9.5 m
    • 1 - 11.7 m
  • Service life of light source
    • 3500 h
    • 4000 h
  • Service life of light source (economic mode)
    • 10000 h
    • 15000 h
  • Lamp power
    • 250 W
    • 240 W
  • Optical zoom
    • 1.1x
    • 1.2x
  • Throw ratio
    • 1.47 - 1.62:1
    • 1.47 - 1.76:1

Side by side

Differences highlightedShow differences only
99 specifications
A

Acer

H6521BD PlusView product
B

Viewsonic

PX747-4K data projector Standard throw projector 3500 ANSI lumens DLP UHD 4K (3840x2160) White

Model PX747-4K

View product
Projector3 differ
Projector native resolutionDiffersWUXGA (1920x1200)UHD 4K (3840x2160)
Native aspect ratioDiffers16:1016:9
Screen size compatibilityKnown for one762 - 7620 mm (30 - 300")
Projection distanceDiffers1 - 9.5 m1 - 11.7 m
Contrast ratio (dynamic)Known for one12000:1
Horizontal scan rangeKnown for one15 - 135 kHz
Vertical scan rangeKnown for one23 - 120 Hz
Matrix typeKnown for oneDMD
Contrast ratio (typical)Known for one10000:1
Supported aspect ratiosKnown for one4:3, 16:9
Horizontal synchronization (max)Known for one100 kHz
Horizontal synchronization (min)Known for one15 kHz
Vertical synchronization (max)Known for one0.12 kHz
Vertical synchronization (min)Known for one0.24 kHz
Light source3 differ
Service life of light sourceDiffers3500 h4000 h
Service life of light source (economic mode)Differs10000 h15000 h
Lamp powerDiffers250 W240 W
Lamp typeKnown for oneOSRAM
Lens system2 differ
Optical zoomDiffers1.1x1.2x
Throw ratioDiffers1.47 - 1.62:11.47 - 1.76:1
FocusKnown for oneManual
Focal length rangeKnown for one15.59 - 17.14 mm
Aperture range (F-F)Known for one2.1 - 2.31
Zoom capabilityKnown for oneYes
Zoom typeKnown for oneManual
Digital zoomKnown for one2x
Videoidentical
Supported graphics resolutionsKnown for one640 x 480 (VGA), 720 x 480, 720 x 576, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 768 (WXGA), 1280 x 800 (WXGA), 1280 x 960, 1400 x 1050 (SXGA+), 1440 x 900 (WXGA+), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 3840 x 2160
Supported video modesKnown for one480i, 480p, 576i, 576p, 720p, 1080i, 1080p
Analog signal format systemKnown for oneNTSC, PAL, SECAM
3DKnown for oneYes
Ports & interfaces3 differ
HDMI ports quantityDiffers12
HDMI connector typeKnown for oneFull-size
Component video (YPbPr/YCbCr) inKnown for one0
Composite video inDiffers10
S-Video inputs quantityKnown for one0
Mini-USB 2.0 ports quantityKnown for one1
Audio (L/R) inDiffers10
Serial interface typeKnown for oneRS-232
PC Audio inKnown for oneYes
PC Audio outKnown for oneYes
12V triggerKnown for oneYes
Networkidentical
Ethernet LAN (RJ-45) portsKnown for one0
Featuresidentical
HDCPKnown for oneYes
On Screen Display (OSD)Known for oneYes
CertificationKnown for oneFCC, cTUVus
Noise levelKnown for one32 dB
Projection modesKnown for oneCeiling, Front, Rear
Multimedia1 differ
RMS rated powerDiffers3 W10 W
Number of built-in speakersKnown for one1
Design2 differ
Product typeDiffersCeiling-mounted projectorStandard throw projector
PlacementDiffersCeilingDesktop
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Market positioningKnown for oneHome cinema
Poweridentical
Power consumption (typical)Known for one310 W
Power consumption (standby)Known for one0.5 W
Power consumption (max)Known for one375 W
AC input voltageKnown for one100 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Operational conditions1 differ
Operating relative humidity (H-H)Differs0 - 80%0 - 90%
Operating altitudeKnown for one0 - 3000 m
Weight & dimensions8 differ
WeightDiffers2.8 kg4.2 kg
WidthDiffers313 mm332 mm
DepthDiffers240 mm261 mm
HeightDiffers110.7 mm135 mm
Package widthDiffers400 mm417 mm
Package depthDiffers340 mm336 mm
Package heightDiffers168 mm207 mm
Package weightDiffers3.81 kg5 kg
DiameterKnown for one31.3 cm
Packaging contentidentical
Batteries includedKnown for oneYes
AC adapter includedKnown for oneYes
ManualKnown for oneYes
Technical detailsidentical
Compliance certificatesKnown for oneRoHS
Other featuresidentical
RS-232 portsKnown for one1
Softwareidentical
Mac compatibilityKnown for oneYes
Windows operating systems supportedKnown for oneYes

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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