Product comparison · 2 data projectors

BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White vs Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White

43specifications compared
21differ
22identical
38known for one product only

Key differences

The BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White 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 LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White 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 BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has 2 dB more noise level than the Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White (34 dB vs 32 dB). Only the Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White has smart TV. Only the Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White has Wi-Fi.

Projector brightness
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:4000 ANSI lumens
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:3500 ANSI lumens
Projector native resolution
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1080p (1920x1080)
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:UHD 4K (3840x2160)
Keystone correction, horizontal
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:-40 - 40°
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:+-25°
Keystone correction, vertical
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:-40 - 40°
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:+-25°
Throw ratio
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1.48 - 1.62
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:1.127-1.465
HDMI version
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1.4a
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:2.0
USB 2.0 Type-A ports quantity
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:2
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:1
Smart TV
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White: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 LH655C, LX720-4K
81 specifications	A BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White Model LH655C 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
Projection technologyKnown for one	DLP	Unknown — not stated by the source
Projector native resolutionDiffers	1080p (1920x1080)	UHD 4K (3840x2160)
Contrast ratio (typical)	3000000:1	3000000:1
Native aspect ratio	16:9	16:9
Number of colours	1.07 billion colours	1.07 billion colours
Horizontal scan rangeKnown for one	15 - 102 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	23 - 120 Hz	Unknown — not stated by the source
Keystone correction, horizontalDiffers	-40 - 40°	+-25°
Keystone correction, verticalDiffers	-40 - 40°	+-25°
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
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
Zoom ratioKnown for one	1.1:1	Unknown — not stated by the source
Throw ratioDiffers	1.48 - 1.62	1.127-1.465
OffsetKnown for one	133.6%	Unknown — not stated by the source
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 capabilityKnown for one	Unknown — not stated by the source	Yes
Video1 differ
Full HDKnown for one	Yes	Unknown — not stated by the source
3D	Yes	Yes
Supported graphics resolutionsDiffers	640 x 480 (VGA), 1920 x 1200 (WUXGA)	640 x 480 (VGA), 3840 x 2160
Supported video modesKnown for one	Unknown — not stated by the source	480i, 576i, 720p, 1080i, 1080p, 2160p
Ports & interfaces2 differ
VGA (D-Sub) ports quantity	0	0
HDMI ports quantity	2	2
HDMI versionDiffers	1.4a	2.0
Component video (YPbPr/YCbCr) in	0	0
Composite video in	0	0
DVI port	No	No
USB 2.0 Type-A ports quantityDiffers	2	1
Audio (L/R) inKnown for one	0	Unknown — not stated by the source
Headphone outputsKnown for one	1	Unknown — not stated by the source
Serial interface type	RS-232	RS-232
Audio Return Channel (ARC)Known for one	Unknown — not stated by the source	Yes
Network2 differ
Smart TVDiffers	No	Yes
Ethernet LAN	No	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
Storageidentical
Card reader integratedKnown for one	No	Unknown — not stated by the source
Internal storage capacityKnown for one	Unknown — not stated by the source	8 GB
Features2 differ
Noise levelDiffers	34 dB	32 dB
Noise level (economic mode)Differs	31 dB	26 dB
HDCP	Yes	Yes
Preset modesKnown for one	3D, Bright, Presentation	Unknown — not stated by the source
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
Multimedia1 differ
Built-in speaker(s)	Yes	Yes
Number of built-in speakersKnown for one	1	Unknown — not stated by the source
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
PlacementKnown for one	Ceiling, Desktop	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Displayidentical
Built-in display	No	No
Power3 differ
Power source	AC	AC
Power consumption (typical)Differs	175 W	143 W
Power consumption (standby)	0.5 W	0.5 W
AC input voltageDiffers	100 - 240 V	100-240 V
AC input frequencyDiffers	50 - 60 Hz	50/60 Hz
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 & 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 contentidentical
Remote control included	Yes	Yes
Batteries includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	Power, HDMI	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C

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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