Product comparison · 2 data projectors

Acer HL1820 DLP UHD 4K (3840x2160) 3D White vs BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White

33specifications compared
15differ
18identical
39known for one product only

Key differences

The Acer HL1820 DLP UHD 4K (3840x2160) 3D White has 1 more audio (L/R) in than the BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White (1 vs 0). The BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has 2 dB more noise level (economic mode) than the Acer HL1820 DLP UHD 4K (3840x2160) 3D White (31 dB vs 29 dB). The BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has 0.1 kg more weight than the Acer HL1820 DLP UHD 4K (3840x2160) 3D White (3 kg vs 2.9 kg). Only the BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has full HD. Projector native resolution: UHD 4K (3840x2160) on the Acer HL1820 DLP UHD 4K (3840x2160) 3D White, 1080p (1920x1080) on the BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White.

Projector native resolution
- HL1820 DLP UHD 4K (3840x2160) 3D White:UHD 4K (3840x2160)
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1080p (1920x1080)
Horizontal scan range
- HL1820 DLP UHD 4K (3840x2160) 3D White:15 - 135 kHz
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:15 - 102 kHz
Vertical scan range
- HL1820 DLP UHD 4K (3840x2160) 3D White:24 - 240 Hz
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:23 - 120 Hz
Keystone correction, horizontal
- HL1820 DLP UHD 4K (3840x2160) 3D White:+/- 30°
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:-40 - 40°
Keystone correction, vertical
- HL1820 DLP UHD 4K (3840x2160) 3D White:+/- 30°
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:-40 - 40°
Zoom ratio
- HL1820 DLP UHD 4K (3840x2160) 3D White:1:1.62
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1.1:1
Full HD
- HL1820 DLP UHD 4K (3840x2160) 3D White:No
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:Yes
Audio (L/R) in
- HL1820 DLP UHD 4K (3840x2160) 3D White:1
- LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:0

Side by side

Differences highlightedShow differences only

Comparison of HL1820, LH655C
72 specifications	A Acer HL1820 DLP UHD 4K (3840x2160) 3D White Model HL1820 View product	B BenQ LH655C Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White Model LH655C View product
Projector5 differ
Projector brightnessKnown for one	Unknown — not stated by the source	4000 ANSI lumens
Projection technology	DLP	DLP
Projector native resolutionDiffers	UHD 4K (3840x2160)	1080p (1920x1080)
Contrast ratio (typical)Known for one	Unknown — not stated by the source	3000000:1
Native aspect ratio	16:9	16:9
Number of colours	1.07 billion colours	1.07 billion colours
Horizontal scan rangeDiffers	15 - 135 kHz	15 - 102 kHz
Vertical scan rangeDiffers	24 - 240 Hz	23 - 120 Hz
Keystone correction, horizontalDiffers	+/- 30°	-40 - 40°
Keystone correction, verticalDiffers	+/- 30°	-40 - 40°
Supported aspect ratiosKnown for one	16:9, 4:3	Unknown — not stated by the source
Screen size compatibilityKnown for one	762 - 7620 mm (30 - 300")	Unknown — not stated by the source
Projection distanceKnown for one	0.9 - 4.6 m	Unknown — not stated by the source
UniformityKnown for one	80%	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)	30000 h	30000 h
Lens system1 differ
Zoom ratioDiffers	1:1.62	1.1:1
Throw ratioKnown for one	Unknown — not stated by the source	1.48 - 1.62
OffsetKnown for one	Unknown — not stated by the source	133.6%
FocusKnown for one	Manual	Unknown — not stated by the source
Zoom capabilityKnown for one	Yes	Unknown — not stated by the source
Video1 differ
Full HDDiffers	No	Yes
3D	Yes	Yes
Supported graphics resolutionsKnown for one	Unknown — not stated by the source	640 x 480 (VGA), 1920 x 1200 (WUXGA)
Ports & interfaces1 differ
VGA (D-Sub) ports quantity	0	0
HDMI ports quantity	2	2
HDMI versionKnown for one	Unknown — not stated by the source	1.4a
Component video (YPbPr/YCbCr) in	0	0
Composite video in	0	0
DVI port	No	No
USB 2.0 Type-A ports quantityKnown for one	Unknown — not stated by the source	2
Audio (L/R) inDiffers	1	0
Headphone outputsKnown for one	Unknown — not stated by the source	1
Serial interface typeKnown for one	Unknown — not stated by the source	RS-232
Audio (L/R) outKnown for one	1	Unknown — not stated by the source
Networkidentical
Smart TVKnown for one	Unknown — not stated by the source	No
Ethernet LANKnown for one	Unknown — not stated by the source	No
Wi-FiKnown for one	Unknown — not stated by the source	No
Storageidentical
Card reader integratedKnown for one	Unknown — not stated by the source	No
Features1 differ
Noise levelKnown for one	Unknown — not stated by the source	34 dB
Noise level (economic mode)Differs	29 dB	31 dB
HDCPKnown for one	Unknown — not stated by the source	Yes
Preset modesKnown for one	Unknown — not stated by the source	3D, Bright, Presentation
Projection modesKnown for one	Ceiling, Front, Rear	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	1	1
RMS rated power	15 W	15 W
Design1 differ
Product typeKnown for one	Unknown — not stated by the source	Standard throw projector
Market positioningDiffers	Home cinema	Business
Product colour	White	White
PlacementKnown for one	Unknown — not stated by the source	Ceiling, Desktop
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Displayidentical
Built-in display	No	No
Poweridentical
Power source	AC	AC
Power consumption (typical)Known for one	Unknown — not stated by the source	175 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.5 W
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Auto power offKnown for one	Unknown — not stated by the source	Yes
Cord lengthKnown for one	Unknown — not stated by the source	1.8 m
Weight & dimensions4 differ
WeightDiffers	2.9 kg	3 kg
WidthDiffers	286 mm	279.2 mm
DepthDiffers	216 mm	120.5 mm
HeightDiffers	115.5 mm	224.8 mm
Packaging content1 differ
Remote control includedKnown for one	Unknown — not stated by the source	Yes
Batteries includedKnown for one	Unknown — not stated by the source	Yes
Cables includedDiffers	HDMI	Power, HDMI
ManualKnown for one	Unknown — not stated by the source	Yes
Carrying caseKnown for one	Yes	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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