Product comparison · 2 data projectors

BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White vs Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White

54specifications compared
27differ
27identical
42known for one product only

Key differences

The BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White has 600 ANSI lumens more projector brightness than the Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White (4600 ANSI lumens vs 4000 ANSI lumens). The BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 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 Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White has 4.25% more offset than the BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White (110% vs 105.75%). Projector native resolution: 1080p (1920x1080) on the BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White, UHD 4K (3840x2160) on the Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White. Horizontal scan range: 15 - 155 kHz on the BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White, 15 - 135 kHz on the Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White.

Projector brightness
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:4600 ANSI lumens
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:4000 ANSI lumens
Projector native resolution
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:1080p (1920x1080)
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:UHD 4K (3840x2160)
Contrast ratio (typical)
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:3000000:1
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:1200:1
Horizontal scan range
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:15 - 155 kHz
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:15 - 135 kHz
Vertical scan range
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 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
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:-40 - 40°
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:+-40°
Keystone correction, vertical
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:-40 - 40°
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:+-40°
Focal length range
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:16.88 - 21.88 mm
- LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White:11.9 - 15.5 mm

Side by side

Differences highlightedShow differences only

Comparison of LH660, LX750-4KB
96 specifications	A BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White Model LH660 View product	B Viewsonic LX750-4KB data projector Standard throw projector 4000 ANSI lumens UHD 4K (3840x2160) 3D White Model LX750-4KB View product
Projector7 differ
Projector brightnessDiffers	4600 ANSI lumens	4000 ANSI lumens
Projector native resolutionDiffers	1080p (1920x1080)	UHD 4K (3840x2160)
Contrast ratio (typical)Differs	3000000:1	1200:1
Smart projectorKnown for one	Unknown — not stated by the source	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
Horizontal scan rangeDiffers	15 - 155 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°	+-40°
Keystone correction, verticalDiffers	-40 - 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
Service life of light source (economic mode)Known for one	30000 h	Unknown — not stated by the source
Lens system4 differ
FocusKnown for one	Unknown — not stated by the source	Manual
Focal length rangeDiffers	16.88 - 21.88 mm	11.9 - 15.5 mm
Aperture range (F-F)Differs	2.59 - 2.87	1.94 - 2.12
Optical zoomKnown for one	Unknown — not stated by the source	1.3x
Throw ratioDiffers	1.15 - 1.5	1.127 - 1.465
OffsetDiffers	105.75%	110%
Zoom ratioKnown for one	1.3:1	Unknown — not stated by the source
Video1 differ
Supported video modesDiffers	1080p	480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
Ports & interfaces2 differ
HDMI ports quantityDiffers	3	2
HDMI connector typeKnown for one	Unknown — not stated by the source	Full-size
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
PC Audio outKnown for one	Unknown — not stated by the source	Yes
Audio Return Channel (ARC)Known for one	Unknown — not stated by the source	Yes
Audio (L/R) outKnown for one	1	Unknown — not stated by the source
IR input ports quantityKnown for one	1	Unknown — not stated by the source
Networkidentical
Smart TVKnown for one	Unknown — not stated by the source	Yes
Wi-FiKnown for one	Unknown — not stated by the source	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
Features3 differ
Noise levelDiffers	34 dB	33 dB
Noise level (economic mode)Differs	29 dB	27 dB
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) technologyDiffers	High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)	Hybrid Log-Gamma (HLG)
Video appsKnown for one	Unknown — not stated by the source	Disney+, Netflix, Roku Channel, YouTube
Preset modesKnown for one	Bright, Infographic, Presentation, Spreadsheet	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
Multimedia1 differ
RMS rated powerDiffers	15 W	10 W
Number of built-in speakersKnown for one	1	Unknown — not stated by the source
Design1 differ
Market positioningDiffers	Business	Home cinema
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Power1 differ
AC input voltageDiffers	100-240 V	100 - 240 V
Power consumption (typical)Known for one	310 W	Unknown — not stated by the source
Auto power offKnown for one	Yes	Unknown — not stated by the source
Cord lengthKnown for one	1.8 m	Unknown — not stated by the source
Weight & dimensions7 differ
WeightDiffers	4.5 kg	3.5 kg
WidthDiffers	343.8 mm	312 mm
DepthDiffers	256 mm	234 mm
HeightDiffers	136 mm	104 mm
Package widthDiffers	414 mm	415 mm
Package depthDiffers	560 mm	168 mm
Package weightDiffers	8.1 kg	4.6 kg
Technical detailsidentical
Image lag timeKnown for one	Unknown — not stated by the source	1 ms

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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