Product comparison · 2 data projectors

Acer HL1820 DLP UHD 4K (3840x2160) 3D White vs Viewsonic LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White

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  • 33specifications compared
  • 14differ
  • 19identical
  • 59known for one product only

Key differences

The Acer HL1820 DLP UHD 4K (3840x2160) 3D White has 1 - 240 Hz more vertical scan range than the Viewsonic LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White (24 - 240 Hz vs 23 - 240 Hz). The Acer HL1820 DLP UHD 4K (3840x2160) 3D White has 1 more audio (L/R) in than the Viewsonic LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White (1 vs 0). The Acer HL1820 DLP UHD 4K (3840x2160) 3D White has 3 dB more noise level (economic mode) than the Viewsonic LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White (29 dB vs 26 dB). Only the Viewsonic LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White has full HD. Screen size compatibility: 762 - 7620 mm (30 - 300") on the Acer HL1820 DLP UHD 4K (3840x2160) 3D White, 1524 - 7620 mm (60 - 300") on the Viewsonic LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White.

  • Screen size compatibility
    • HL1820 DLP UHD 4K (3840x2160) 3D White:762 - 7620 mm (30 - 300")
    • LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:1524 - 7620 mm (60 - 300")
  • Projection distance
    • HL1820 DLP UHD 4K (3840x2160) 3D White:0.9 - 4.6 m
    • LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:1.49 - 9.72 m
  • Vertical scan range
    • HL1820 DLP UHD 4K (3840x2160) 3D White:24 - 240 Hz
    • LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:23 - 240 Hz
  • Keystone correction, horizontal
    • HL1820 DLP UHD 4K (3840x2160) 3D White:+/- 30°
    • LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:+-40°
  • Keystone correction, vertical
    • HL1820 DLP UHD 4K (3840x2160) 3D White:+/- 30°
    • LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:+-40°
  • Full HD
    • HL1820 DLP UHD 4K (3840x2160) 3D White:No
    • LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:Yes
  • Audio (L/R) in
    • HL1820 DLP UHD 4K (3840x2160) 3D White:1
    • LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:0
  • Noise level (economic mode)
    • HL1820 DLP UHD 4K (3840x2160) 3D White:29 dB
    • LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:26 dB

Side by side

Differences highlightedShow differences only (on)
Comparison of HL1820, LX720-4KB
92 specifications
Projector5 differ
Projector brightnessKnown for oneUnknown — not stated by the source3500 ANSI lumens
Contrast ratio (typical)Known for oneUnknown — not stated by the source1200:1
Smart projectorKnown for oneUnknown — not stated by the sourceNo
Screen size compatibilityDiffers762 - 7620 mm (30 - 300")1524 - 7620 mm (60 - 300")
Projection distanceDiffers0.9 - 4.6 m1.49 - 9.72 m
Vertical scan rangeDiffers24 - 240 Hz23 - 240 Hz
Horizontal synchronization (max)Known for oneUnknown — not stated by the source135 kHz
Horizontal synchronization (min)Known for oneUnknown — not stated by the source15 kHz
Keystone correction, horizontalDiffers+/- 30°+-40°
Keystone correction, verticalDiffers+/- 30°+-40°
Matrix sizeKnown for oneUnknown — not stated by the source1.19 cm (0.47")
Vertical synchronization (max)Known for oneUnknown — not stated by the source0.24 kHz
Vertical synchronization (min)Known for oneUnknown — not stated by the source0.023 kHz
Screen size (max)Known for oneUnknown — not stated by the source7.62 m (300")
Projection technologyKnown for oneDLPUnknown — not stated by the source
Supported aspect ratiosKnown for one16:9, 4:3Unknown — not stated by the source
UniformityKnown for one80%Unknown — not stated by the source
Light sourceidentical
Service life of light source (economic mode)Known for one30000 hUnknown — not stated by the source
Lens systemidentical
Focal length rangeKnown for oneUnknown — not stated by the source11.9 - 15.5 mm
Aperture range (F-F)Known for oneUnknown — not stated by the source1.94 - 2.12
Optical zoomKnown for oneUnknown — not stated by the source1.3x
Throw ratioKnown for oneUnknown — not stated by the source1.125 - 1.463
OffsetKnown for oneUnknown — not stated by the source110%
Zoom ratioKnown for one1:1.62Unknown — not stated by the source
Video1 differ
Full HDDiffersNoYes
Supported graphics resolutionsKnown for oneUnknown — not stated by the source640 x 480 (VGA), 3840 x 2160
Supported video modesKnown for oneUnknown — not stated by the source480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
Ports & interfaces1 differ
HDMI connector typeKnown for oneUnknown — not stated by the sourceFull-size
HDMI versionKnown for oneUnknown — not stated by the source2.0
USB 2.0 Type-A ports quantityKnown for oneUnknown — not stated by the source1
Audio (L/R) inDiffers10
Serial interface typeKnown for oneUnknown — not stated by the sourceRS-232
PC Audio outKnown for oneUnknown — not stated by the sourceYes
Audio Return Channel (ARC)Known for oneUnknown — not stated by the sourceYes
Audio (L/R) outKnown for one1Unknown — not stated by the source
Networkidentical
Smart TVKnown for oneUnknown — not stated by the sourceYes
Wi-FiKnown for oneUnknown — not stated by the sourceYes
BluetoothKnown for oneUnknown — not stated by the sourceYes
Bluetooth versionKnown for oneUnknown — not stated by the source5.0
Storageidentical
Internal storage capacityKnown for oneUnknown — not stated by the source8 GB
Features1 differ
Noise levelKnown for oneUnknown — not stated by the source32 dB
Noise level (economic mode)Differs29 dB26 dB
HDCPKnown for oneUnknown — not stated by the sourceYes
On Screen Display (OSD)Known for oneUnknown — not stated by the sourceYes
On Screen Display (OSD) languagesKnown for oneUnknown — not stated by the sourceMulti
HDCP versionKnown for oneUnknown — not stated by the source2.2
High Dynamic Range (HDR) supportedKnown for oneUnknown — not stated by the sourceYes
High Dynamic Range (HDR) technologyKnown for oneUnknown — not stated by the sourceHybrid Log-Gamma (HLG)
Video appsKnown for oneUnknown — not stated by the sourceDisney+, Netflix, Roku Channel, YouTube
Projection modesKnown for oneCeiling, Front, RearUnknown — not stated by the source
Multimedia1 differ
RMS rated powerDiffers15 W10 W
Number of built-in speakersKnown for one1Unknown — not stated by the source
Designidentical
Product typeKnown for oneUnknown — not stated by the sourceStandard throw projector
Cable lock slotKnown for oneUnknown — not stated by the sourceYes
Poweridentical
Power consumption (typical)Known for oneUnknown — not stated by the source212 W
Power consumption (standby)Known for oneUnknown — not stated by the source0.5 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
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source0 - 40 °C
Weight & dimensions4 differ
WeightDiffers2.9 kg3.5 kg
WidthDiffers286 mm312 mm
DepthDiffers216 mm234 mm
HeightDiffers115.5 mm104 mm
Package widthKnown for oneUnknown — not stated by the source415 mm
Package depthKnown for oneUnknown — not stated by the source168 mm
Package heightKnown for oneUnknown — not stated by the source297 mm
Package weightKnown for oneUnknown — not stated by the source4.6 kg
Packaging content1 differ
Remote control includedKnown for oneUnknown — not stated by the sourceYes
Cables includedDiffersHDMIAC
ManualKnown for oneUnknown — not stated by the sourceYes
Carrying caseKnown for oneYesUnknown — not stated by the source
Technical detailsidentical
Image lag timeKnown for oneUnknown — not stated by the source1 ms
Logistics dataidentical
Quantity per packKnown for oneUnknown — not stated by the source1 pc(s)

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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