Product comparison · 2 data projectors

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

49specifications compared
25differ
24identical
48known 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 LX720-4KB 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 2,998,800 :1 more contrast ratio (typical) than the Viewsonic LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White (3000000:1 vs 1200:1). The BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has 23.6% more offset than the Viewsonic LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White (133.6% vs 110%). Only the Viewsonic LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White has smart TV. Only the Viewsonic LX720-4KB 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
- LX720-4KB 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)
- LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:UHD 4K (3840x2160)
Contrast ratio (typical)
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:3000000:1
- LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:1200:1
Horizontal scan range
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:15 - 102 kHz
- LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:15 - 135 kHz
Vertical scan range
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:23 - 120 Hz
- LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:23 - 240 Hz
Keystone correction, horizontal
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:-40 - 40°
- LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:+-40°
Keystone correction, vertical
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:-40 - 40°
- LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:+-40°
Throw ratio
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1.48 - 1.62
- LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:1.125 - 1.463

Side by side

Differences highlightedShow differences only

Comparison of LH655C, LX720-4KB
97 specifications	A BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White Model LH655C View product	B Viewsonic LX720-4KB data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White Model LX720-4KB View product
Projector7 differ
Projector brightnessDiffers	4000 ANSI lumens	3500 ANSI lumens
Projector native resolutionDiffers	1080p (1920x1080)	UHD 4K (3840x2160)
Contrast ratio (typical)Differs	3000000:1	1200:1
Native aspect ratio	16:9	16:9
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
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°	+-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
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 capabilityKnown for one	Unknown — not stated by the source	Yes
Optical zoomKnown for one	Unknown — not stated by the source	1.3x
Throw ratioDiffers	1.48 - 1.62	1.125 - 1.463
OffsetDiffers	133.6%	110%
Zoom ratioKnown for one	1.1:1	Unknown — not stated by the source
Video1 differ
Full HD	Yes	Yes
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, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
Ports & interfaces2 differ
VGA (D-Sub) ports quantity	0	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) in	0	0
Composite video in	0	0
DVI port	No	No
USB 2.0 Type-A ports quantityDiffers	2	1
Audio (L/R) in	0	0
Serial interface type	RS-232	RS-232
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
Headphone outputsKnown for one	1	Unknown — not stated by the source
Network2 differ
Smart TVDiffers	No	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	No	Unknown — not stated by the source
Storageidentical
Internal storage capacityKnown for one	Unknown — not stated by the source	8 GB
Card reader integratedKnown for one	No	Unknown — not stated by the source
Features2 differ
Noise levelDiffers	34 dB	32 dB
Noise level (economic mode)Differs	31 dB	26 dB
HDCP	Yes	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
Preset modesKnown for one	3D, Bright, Presentation	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
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, Desktop	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
Power2 differ
Power source	AC	AC
Power consumption (typical)Differs	175 W	212 W
Power consumption (standby)	0.5 W	0.5 W
AC input voltage	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
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	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	Power, 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)

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.

More data projector comparisons

All data projector comparisons