Product comparison · 2 data projectors

BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black vs Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White

38specifications compared
20differ
18identical
40known for one product only

Key differences

The BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black has 500 ANSI lumens more projector brightness than the Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White (4000 ANSI lumens vs 3500 ANSI lumens). The BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black has 1 more USB 2.0 Type-A ports quantity than the Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White (2 vs 1). The Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White has 2 dB more noise level than the BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black (32 dB vs 30 dB). Only the BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black has Ethernet LAN. Only the Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White has Wi-Fi.

Projector brightness
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:4000 ANSI lumens
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:3500 ANSI lumens
Projector native resolution
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:WXGA (1280x800)
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:UHD 4K (3840x2160)
Keystone correction, horizontal
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:30°
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:+-25°
Keystone correction, vertical
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:30°
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:+-25°
Throw ratio
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:0.521
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:1.127-1.465
USB 2.0 Type-A ports quantity
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:2
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:1
Ethernet LAN
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:Yes
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:No
Wi-Fi
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:No
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:Yes

Side by side

Differences highlightedShow differences only

Comparison of LW830ST, LX720-4K
78 specifications	A BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black Model LW830ST View product	B Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White Model LX720-4K View product
Projector4 differ
Projector brightnessDiffers	4000 ANSI lumens	3500 ANSI lumens
Projector native resolutionDiffers	WXGA (1280x800)	UHD 4K (3840x2160)
Contrast ratio (typical)	3000000:1	3000000:1
Native aspect ratio	16:9	16:9
Smart projector	No	No
Screen size compatibilityKnown for one	Unknown — not stated by the source	1524 - 7620 mm (60 - 300")
Projection distanceKnown for one	Unknown — not stated by the source	1.49 - 9.72 m
Number of colours	1.07 billion colours	1.07 billion colours
Keystone correction, horizontalDiffers	30°	+-25°
Keystone correction, verticalDiffers	30°	+-25°
Projection technologyKnown for one	DLP	Unknown — not stated by the source
Horizontal scan rangeKnown for one	15 - 135 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	23 - 240 Hz	Unknown — not stated by the source
Colour gamutKnown for one	93%	Unknown — not stated by the source
Light sourceidentical
Light source type	Laser	Laser
Service life of light source	20000 h	20000 h
Service life of light source (economic mode)	30000 h	30000 h
Lens system1 differ
FocusKnown for one	Unknown — not stated by the source	Manual
Focal length rangeKnown for one	Unknown — not stated by the source	11.9 - 15.5 mm
Aperture range (F-F)Known for one	Unknown — not stated by the source	1.94 - 2.12
Zoom capability	Yes	Yes
Throw ratioDiffers	0.521	1.127-1.465
Zoom typeKnown for one	Fixed	Unknown — not stated by the source
OffsetKnown for one	112%	Unknown — not stated by the source
Videoidentical
3D	Yes	Yes
Supported graphics resolutionsKnown for one	Unknown — not stated by the source	640 x 480 (VGA), 3840 x 2160
Supported video modesKnown for one	Unknown — not stated by the source	480i, 576i, 720p, 1080i, 1080p, 2160p
Full HDKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantity	2	2
HDMI versionKnown for one	Unknown — not stated by the source	2.0
Component video (YPbPr/YCbCr) inKnown for one	Unknown — not stated by the source	0
Composite video inKnown for one	Unknown — not stated by the source	0
DVI portKnown for one	Unknown — not stated by the source	No
USB 2.0 Type-A ports quantityDiffers	2	1
Serial interface type	RS-232	RS-232
Audio Return Channel (ARC)Known for one	Unknown — not stated by the source	Yes
PC Audio outKnown for one	Yes	Unknown — not stated by the source
Network2 differ
Smart TVKnown for one	Unknown — not stated by the source	Yes
Ethernet LANDiffers	Yes	No
Wi-FiDiffers	No	Yes
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	5.0
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Storageidentical
Internal storage capacityKnown for one	Unknown — not stated by the source	8 GB
Features2 differ
Noise levelDiffers	30 dB	32 dB
Noise level (economic mode)Differs	24 dB	26 dB
HDCPKnown for one	Unknown — not stated by the source	Yes
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
InteractiveKnown for one	No	Unknown — not stated by the source
International Protection (IP) codeKnown for one	IP6X	Unknown — not stated by the source
Multimedia1 differ
Built-in speaker(s)	Yes	Yes
RMS rated powerDiffers	15 W	10 W
Number of built-in speakersKnown for one	1	Unknown — not stated by the source
Design3 differ
Product typeDiffers	Short throw projector	Standard throw projector
Market positioningDiffers	Business	Home cinema
Product colourDiffers	Black	White
PlacementKnown for one	Ceiling, Desktop	Unknown — not stated by the source
Displayidentical
Built-in display	No	No
Power2 differ
Power source	AC	AC
Power consumption (typical)Differs	230 W	143 W
Power consumption (standby)	0.5 W	0.5 W
AC input voltageDiffers	100 - 240 V	100-240 V
AC input frequency	50/60 Hz	50/60 Hz
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Weight & dimensions4 differ
WeightDiffers	3.4 kg	3.5 kg
WidthDiffers	279.2 mm	312 mm
DepthDiffers	229.3 mm	234 mm
HeightDiffers	120.5 mm	104 mm
Package widthKnown for one	Unknown — not stated by the source	415 mm
Package depthKnown for one	Unknown — not stated by the source	168 mm
Package heightKnown for one	Unknown — not stated by the source	297 mm
Package weightKnown for one	Unknown — not stated by the source	4.6 kg
Packaging contentidentical
Remote control included	Yes	Yes
Cables includedKnown for one	Power	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Mounting brackets includedKnown for one	Yes	Unknown — not stated by the source
Logistics dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — 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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