Product comparison · 2 data projectors

BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black vs Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White

43specifications compared
19differ
24identical
51known for one product only

Key differences

The BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black has 2,998,800 :1 more contrast ratio (typical) than the Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White (3000000:1 vs 1200:1). The BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black has 2% more offset than the Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White (112% vs 110%). 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 LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White (2 vs 1). Only the Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White has Wi-Fi. Projector native resolution: WXGA (1280x800) on the BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black, UHD 4K (3840x2160) on the Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White.

Projector native resolution
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:WXGA (1280x800)
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:UHD 4K (3840x2160)
Contrast ratio (typical)
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:3000000:1
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:1200:1
Keystone correction, horizontal
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:30°
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:+-40°
Keystone correction, vertical
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:30°
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:+-40°
Throw ratio
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:0.521
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:1.127 - 1.465
Offset
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:112%
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:110%
USB 2.0 Type-A ports quantity
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:2
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:1
Wi-Fi
- LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black:No
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:Yes

Side by side

Differences highlightedShow differences only

Comparison of LW830ST, LX750-4KB
94 specifications	A BenQ LW830ST Short throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D Black Model LW830ST View product	B Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White Model LX750-4KB View product
Projector4 differ
Projector brightness	4000 ANSI lumens	4000 ANSI lumens
Projector native resolutionDiffers	WXGA (1280x800)	UHD 4K (3840x2160)
Contrast ratio (typical)Differs	3000000:1	1200:1
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
Horizontal scan range	15 - 135 kHz	15 - 135 kHz
Vertical scan range	23 - 240 Hz	23 - 240 Hz
Horizontal synchronization (max)Known for one	Unknown — not stated by the source	135 kHz
Horizontal synchronization (min)Known for one	Unknown — not stated by the source	15 kHz
Keystone correction, horizontalDiffers	30°	+-40°
Keystone correction, verticalDiffers	30°	+-40°
Matrix sizeKnown for one	Unknown — not stated by the source	1.19 cm (0.47")
Vertical synchronization (max)Known for one	Unknown — not stated by the source	0.24 kHz
Vertical synchronization (min)Known for one	Unknown — not stated by the source	0.023 kHz
Screen size (max)Known for one	Unknown — not stated by the source	7.62 m (300")
Projection technologyKnown for one	DLP	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)Known for one	30000 h	Unknown — not stated by the source
Lens system2 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
Optical zoomKnown for one	Unknown — not stated by the source	1.3x
Throw ratioDiffers	0.521	1.127 - 1.465
OffsetDiffers	112%	110%
Zoom typeKnown for one	Fixed	Unknown — not stated by the source
Videoidentical
Full HD	Yes	Yes
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, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
Ports & interfaces1 differ
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantity	2	2
HDMI connector typeKnown for one	Unknown — not stated by the source	Full-size
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
Audio (L/R) inKnown for one	Unknown — not stated by the source	0
Serial interface type	RS-232	RS-232
PC Audio out	Yes	Yes
Audio Return Channel (ARC)Known for one	Unknown — not stated by the source	Yes
Network1 differ
Smart TVKnown for one	Unknown — not stated by the source	Yes
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 LANKnown for one	Yes	Unknown — not stated by the source
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	33 dB
Noise level (economic mode)Differs	24 dB	27 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
On Screen Display (OSD) languagesKnown for one	Unknown — not stated by the source	Multi
HDCP versionKnown for one	Unknown — not stated by the source	2.2
High Dynamic Range (HDR) supportedKnown for one	Unknown — not stated by the source	Yes
High Dynamic Range (HDR) technologyKnown for one	Unknown — not stated by the source	Hybrid Log-Gamma (HLG)
Video appsKnown for one	Unknown — not stated by the source	Disney+, Netflix, Roku Channel, YouTube
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
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
PlacementKnown for one	Ceiling, Desktop	Unknown — not stated by the source
Displayidentical
Built-in display	No	No
Poweridentical
Power source	AC	AC
Power consumption (standby)	0.5 W	0.5 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50/60 Hz	50/60 Hz
Power consumption (typical)Known for one	230 W	Unknown — not stated by the source
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 content1 differ
Remote control included	Yes	Yes
Cables includedDiffers	Power	AC
Manual	Yes	Yes
Mounting brackets includedKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Image lag timeKnown for one	Unknown — not stated by the source	1 ms
Logistics dataidentical
Quantity per pack	1 pc(s)	1 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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