Product comparison · 2 data projectors

BenQ LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White vs BenQ TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White

44specifications compared
24differ
20identical
31known for one product only

Key differences

The BenQ LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White has 1,200 ANSI lumens more projector brightness than the BenQ TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White (5000 ANSI lumens vs 3800 ANSI lumens). The BenQ LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White has 2,985,000 :1 more contrast ratio (typical) than the BenQ TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White (3000000:1 vs 15000:1). The BenQ TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White has 1 - 120 Hz more vertical scan range than the BenQ LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White (24 - 120 Hz vs 23 - 120 Hz). Horizontal scan range: 15 - 135 kHz on the BenQ LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White, 15 - 102 kHz on the BenQ TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White. Keystone correction, vertical: 40° on the BenQ LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White, ±40° on the BenQ TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White.

Projector brightness
- LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:5000 ANSI lumens
- TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White:3800 ANSI lumens
Contrast ratio (typical)
- LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:3000000:1
- TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White:15000:1
Horizontal scan range
- LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:15 - 135 kHz
- TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White:15 - 102 kHz
Vertical scan range
- LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:23 - 120 Hz
- TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White:24 - 120 Hz
Keystone correction, vertical
- LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:40°
- TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White:±40°
Light source type
- LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:Laser
- TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White:Lamp
Service life of light source
- LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:20000 h
- TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White:6000 h
Service life of light source (economic mode)
- LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White:30000 h
- TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White:10000 h

Side by side

Differences highlightedShow differences only

Comparison of LH740, TH575i
75 specifications	A BenQ LH740 Standard throw projector 5000 ANSI lumens DLP 1080p (1920x1080) 3D White Model LH740 View product	B BenQ TH575i Standard throw projector 3800 ANSI lumens DLP 1080p (1920x1080) 3D White Model TH575i View product
Projector5 differ
Projector brightnessDiffers	5000 ANSI lumens	3800 ANSI lumens
Contrast ratio (typical)Differs	3000000:1	15000:1
Horizontal scan rangeDiffers	15 - 135 kHz	15 - 102 kHz
Vertical scan rangeDiffers	23 - 120 Hz	24 - 120 Hz
Keystone correction, horizontalKnown for one	40°	Unknown — not stated by the source
Keystone correction, verticalDiffers	40°	±40°
Screen size compatibilityKnown for one	Unknown — not stated by the source	2540 - 3810 mm (100 - 150")
Light source3 differ
Light source typeDiffers	Laser	Lamp
Service life of light sourceDiffers	20000 h	6000 h
Service life of light source (economic mode)Differs	30000 h	10000 h
Lens system4 differ
Focal length rangeDiffers	20.911 - 32.624 mm	2.56 - 2.68 mm
Aperture range (F-F)Known for one	2.5 - 3.26	Unknown — not stated by the source
Zoom capabilityKnown for one	Yes	Unknown — not stated by the source
Zoom ratioDiffers	1.6:1	1.1:1
Throw ratioDiffers	1.4~2.24	1.49 - 1.64
OffsetDiffers	113%	108%
Video2 differ
Supported graphics resolutionsDiffers	640 x 480 (VGA), 1920 x 1080 (HD 1080)	640 x 480 (VGA), 1920 x 1200 (WUXGA)
Supported video modesKnown for one	1080p	Unknown — not stated by the source
Video colour modesDiffers	DICOM simulation mode, Presentation, Vivid	Bright cinema, Cinema, Game, Living room, Sports
Ports & interfaces1 differ
HDMI ports quantityDiffers	2	1
USB 2.0 Type-A ports quantityKnown for one	2	Unknown — not stated by the source
Headphone outputsKnown for one	1	Unknown — not stated by the source
PC Audio outKnown for one	Yes	Unknown — not stated by the source
AC (power) inKnown for one	Yes	Unknown — not stated by the source
DVI portKnown for one	Unknown — not stated by the source	No
Mini-USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Audio (L/R) inKnown for one	Unknown — not stated by the source	1
Audio (L/R) outKnown for one	Unknown — not stated by the source	1
Networkidentical
Smart TVKnown for one	No	Unknown — not stated by the source
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
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Featuresidentical
On Screen Display (OSD)Known for one	Yes	Unknown — not stated by the source
Multimedia1 differ
RMS rated powerDiffers	15 W	10 W
Number of built-in speakersKnown for one	Unknown — not stated by the source	1
Design1 differ
Market positioningDiffers	Business	Home cinema
PlacementKnown for one	Ceiling	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
Displayidentical
Built-in displayKnown for one	No	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	210 W	295 W
Power consumption (standby)Known for one	0.5 W	Unknown — not stated by the source
AC input frequencyDiffers	50/60 Hz	50 - 60 Hz
Cord lengthKnown for one	Unknown — not stated by the source	1.8 m
Weight & dimensions4 differ
WeightDiffers	3.3 kg	2.3 kg
WidthDiffers	279.2 mm	296 mm
DepthDiffers	120.5 mm	236.8 mm
HeightDiffers	224.8 mm	120 mm
Package widthKnown for one	Unknown — not stated by the source	170 mm
Package depthKnown for one	Unknown — not stated by the source	410 mm
Package heightKnown for one	Unknown — not stated by the source	340 mm
Package weightKnown for one	Unknown — not stated by the source	3.7 kg
Packaging content1 differ
Cables includedDiffers	AC, HDMI	Power
ManualKnown for one	Yes	Unknown — not stated by the source
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.

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