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Product comparison · 2 data projectors

Acer HL1820 DLP UHD 4K (3840x2160) 3D White vs BenQ LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White

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  • 31specifications compared
  • 14differ
  • 17identical
  • 47known for one product only

Key differences

The BenQ LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has 0.2 kg more weight than the Acer HL1820 DLP UHD 4K (3840x2160) 3D White (3.1 kg vs 2.9 kg). The Acer HL1820 DLP UHD 4K (3840x2160) 3D White has 6.8 mm more width than the BenQ LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White (286 mm vs 279.2 mm). The Acer HL1820 DLP UHD 4K (3840x2160) 3D White has 95.5 mm more depth than the BenQ LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White (216 mm vs 120.5 mm). Only the BenQ LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has full HD. Projector native resolution: UHD 4K (3840x2160) on the Acer HL1820 DLP UHD 4K (3840x2160) 3D White, 1080p (1920x1080) on the BenQ LH655 Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White.

  • Projector native resolution
    • UHD 4K (3840x2160)
    • 1080p (1920x1080)
  • Screen size compatibility
    • 762 - 7620 mm (30 - 300")
    • 0 - 2540 mm (0 - 100")
  • Horizontal scan range
    • 15 - 135 kHz
    • 15 - 102 kHz
  • Vertical scan range
    • 24 - 240 Hz
    • 23 - 120 Hz
  • Keystone correction, horizontal
    • +/- 30°
    • 40°
  • Keystone correction, vertical
    • +/- 30°
    • 40°
  • Zoom ratio
    • 1:1.62
    • 1.3:1
  • Full HD
    • No
    • Yes

Side by side

Differences highlightedShow differences only
78 specifications
A

Acer

HL1820 DLP UHD 4K (3840x2160) 3D White

Model HL1820

View product
B

BenQ

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

Model LH655

View product
Projector6 differ
Projector brightnessKnown for one4000 ANSI lumens
Projection technologyDLPDLP
Projector native resolutionDiffersUHD 4K (3840x2160)1080p (1920x1080)
Contrast ratio (typical)Known for one3000000:1
Native aspect ratio16:916:9
Smart projectorKnown for oneNo
Screen size compatibilityDiffers762 - 7620 mm (30 - 300")0 - 2540 mm (0 - 100")
Number of colours1.07 billion colours1.07 billion colours
Horizontal scan rangeDiffers15 - 135 kHz15 - 102 kHz
Vertical scan rangeDiffers24 - 240 Hz23 - 120 Hz
Keystone correction, horizontalDiffers+/- 30°40°
Keystone correction, verticalDiffers+/- 30°40°
Supported aspect ratiosKnown for one16:9, 4:3
Projection distanceKnown for one0.9 - 4.6 m
UniformityKnown for one80%
Light sourceidentical
Light source typeLaserLaser
Service life of light source20000 h20000 h
Service life of light source (economic mode)30000 h30000 h
Lens system1 differ
FocusManualManual
Focal length rangeKnown for one16.901 - 21.6076 mm
Aperture range (F-F)Known for one2.43 - 2.78
Zoom capabilityYesYes
Zoom ratioDiffers1:1.621.3:1
Throw ratioKnown for one1.13 - 1.47
OffsetKnown for one113%
Video1 differ
Analog signal format systemKnown for oneNot supported
Full HDDiffersNoYes
3DYesYes
Supported graphics resolutionsKnown for one640 x 480 (VGA), 1920 x 1080 (HD 1080)
Supported video modesKnown for one1080p
Video colour modesKnown for oneDICOM simulation mode, Presentation, Vivid
Ports & interfacesidentical
HDMI ports quantity22
HDMI versionKnown for one1.4a
Audio (L/R) in11
Headphone outputsKnown for one1
Serial interface typeKnown for oneRJ-45, RS-232
PC Audio outKnown for oneYes
AC (power) inKnown for oneYes
VGA (D-Sub) ports quantityKnown for one0
Component video (YPbPr/YCbCr) inKnown for one0
Composite video inKnown for one0
DVI portKnown for oneNo
Audio (L/R) outKnown for one1
Networkidentical
Smart TVKnown for oneNo
Ethernet LANKnown for oneYes
Ethernet LAN (RJ-45) portsKnown for one1
Wi-FiKnown for oneYes
Featuresidentical
Noise levelKnown for one32 dB
Noise level (economic mode)29 dB29 dB
HDCPKnown for oneYes
On Screen Display (OSD)Known for oneYes
Projection modesKnown for oneCeiling, Front, Rear
Multimediaidentical
Built-in speaker(s)YesYes
RMS rated power15 W15 W
Number of built-in speakersKnown for one1
Design1 differ
Product typeKnown for oneStandard throw projector
Market positioningDiffersHome cinemaBusiness
Product colourWhiteWhite
PlacementKnown for oneCeiling
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Displayidentical
Built-in displayNoNo
Poweridentical
Power sourceACAC
Power consumption (typical)Known for one175 W
Power consumption (standby)Known for one0.5 W
AC input voltageKnown for one100 - 240 V
AC input frequencyKnown for one50/60 Hz
Cord lengthKnown for one1.8 m
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Weight & dimensions4 differ
WeightDiffers2.9 kg3.1 kg
WidthDiffers286 mm279.2 mm
DepthDiffers216 mm120.5 mm
HeightDiffers115.5 mm224.8 mm
Packaging content1 differ
Remote control includedKnown for oneYes
Batteries includedKnown for oneYes
Cables includedDiffersHDMIAC, HDMI
ManualKnown for oneYes
Carrying caseKnown for oneYes

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