Product comparison · 2 data projectors

BenQ LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White vs Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White

53specifications compared
26differ
27identical
43known for one product only

Key differences

The BenQ LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White 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 LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White has 1 more audio (L/R) in than the Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White (1 vs 0). The Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White has 1 dB more noise level than the BenQ LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White (33 dB vs 32 dB). Only the Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White has full HD. Only the Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White has smart TV.

Projector native resolution
- LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White:WXGA (1280x800)
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:UHD 4K (3840x2160)
Contrast ratio (typical)
- LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White:3000000:1
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:1200:1
Native aspect ratio
- LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White:16:10
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:16:9
Screen size compatibility
- LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White:0 - 2540 mm (0 - 100")
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:1524 - 7620 mm (60 - 300")
Horizontal scan range
- LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White:15 - 102 kHz
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:15 - 135 kHz
Vertical scan range
- LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White:23 - 120 Hz
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:23 - 240 Hz
Keystone correction, horizontal
- LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White:40°
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:+-40°
Keystone correction, vertical
- LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White:40°
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:+-40°

Side by side

Differences highlightedShow differences only

Comparison of LW655, LX750-4KB
96 specifications	A BenQ LW655 Standard throw projector 4000 ANSI lumens DLP WXGA (1280x800) 3D White Model LW655 View product	B Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White Model LX750-4KB View product
Projector8 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 ratioDiffers	16:10	16:9
Smart projector	No	No
Screen size compatibilityDiffers	0 - 2540 mm (0 - 100")	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 rangeDiffers	15 - 102 kHz	15 - 135 kHz
Vertical scan rangeDiffers	23 - 120 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	40°	+-40°
Keystone correction, verticalDiffers	40°	+-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
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 system3 differ
Focus	Manual	Manual
Focal length rangeDiffers	16.901 - 21.6076 mm	11.9 - 15.5 mm
Aperture range (F-F)Differs	2.43 - 2.78	1.94 - 2.12
Zoom capability	Yes	Yes
Optical zoomKnown for one	Unknown — not stated by the source	1.3x
Throw ratioDiffers	1.187~1.544	1.127 - 1.465
Offset	110%	110%
Zoom ratioKnown for one	1.3:1	Unknown — not stated by the source
Video2 differ
Full HDDiffers	No	Yes
3D	Yes	Yes
Supported graphics resolutionsDiffers	640 x 480 (VGA), 1920 x 1080 (HD 1080)	640 x 480 (VGA), 3840 x 2160
Supported video modes	480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p	480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
Video colour modesKnown for one	DICOM simulation mode, Presentation, Vivid	Unknown — not stated by the source
Ports & interfaces2 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 versionDiffers	1.4a	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 quantityKnown for one	Unknown — not stated by the source	1
Audio (L/R) inDiffers	1	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
Headphone outputsKnown for one	1	Unknown — not stated by the source
AC (power) inKnown for one	Yes	Unknown — not stated by the source
Network1 differ
Smart TVDiffers	No	Yes
Wi-Fi	Yes	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	32 dB	33 dB
Noise level (economic mode)Differs	29 dB	27 dB
HDCP	Yes	Yes
On Screen Display (OSD)	Yes	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
Multimedia1 differ
Built-in speaker(s)	Yes	Yes
RMS rated powerDiffers	15 W	10 W
Design1 differ
Product type	Standard throw projector	Standard throw projector
Market positioningDiffers	Business	Home cinema
Product colour	White	White
Cable lock slot	Yes	Yes
PlacementKnown for one	Ceiling, Wall	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Displayidentical
Built-in display	No	No
Power1 differ
Power sourceDiffers	AC/Battery	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	170 W	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Weight & dimensions4 differ
WeightDiffers	3 kg	3.5 kg
WidthDiffers	279.2 mm	312 mm
DepthDiffers	120.5 mm	234 mm
HeightDiffers	224.8 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	AC, HDMI	AC
Manual	Yes	Yes
Batteries 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 packKnown for one	Unknown — not stated by the source	1 pc(s)
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityKnown for one	8000 mAh	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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