Product comparison · 2 data projectors

Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White vs BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White

34specifications compared
20differ
14identical
48known 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 Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White (4600 ANSI lumens vs 4000 ANSI lumens). The BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White has 0.3 :1 more zoom ratio than the Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White (1.3:1 vs 1:1). The BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White has 1 more HDMI ports quantity than the Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White (3 vs 2). Only the BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White has Ethernet LAN. Contrast ratio (typical): 1:3500000 on the Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White, 3000000:1 on the BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White.

Projector brightness
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:4000 ANSI lumens
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:4600 ANSI lumens
Contrast ratio (typical)
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1:3500000
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:3000000:1
Native aspect ratio
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:16:10
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:16:9
Light source type
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:Lamp
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:Laser
Focal length range
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:15.84 - 17.44 mm
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:16.88 - 21.88 mm
Zoom ratio
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1:1
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:1.3:1
HDMI ports quantity
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:2
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:3
USB 2.0 Type-A ports quantity
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1
- LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White:2

Side by side

Differences highlightedShow differences only

Comparison of HL6521G, LH660
82 specifications	A Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White Model HL6521G View product	B BenQ LH660 Standard throw projector 4600 ANSI lumens DLP 1080p (1920x1080) 3D White Model LH660 View product
Projector3 differ
Projector brightnessDiffers	4000 ANSI lumens	4600 ANSI lumens
Projection technology	DLP	DLP
Projector native resolution	1080p (1920x1080)	1080p (1920x1080)
Contrast ratio (typical)Differs	1:3500000	3000000:1
Native aspect ratioDiffers	16:10	16:9
Number of coloursKnown for one	Unknown — not stated by the source	1.07 billion colours
Horizontal scan rangeKnown for one	Unknown — not stated by the source	15 - 155 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	23 - 120 Hz
Keystone correction, horizontalKnown for one	Unknown — not stated by the source	-40 - 40°
Keystone correction, verticalKnown for one	Unknown — not stated by the source	-40 - 40°
Supported aspect ratiosKnown for one	4:3, 16:10	Unknown — not stated by the source
Projection distanceKnown for one	1 - 10 m	Unknown — not stated by the source
Projector brightness (economic mode)Known for one	3200 ANSI lumens	Unknown — not stated by the source
Light source1 differ
Light source typeDiffers	Lamp	Laser
Service life of light sourceKnown for one	Unknown — not stated by the source	20000 h
Service life of light source (economic mode)	30000 h	30000 h
Lens system2 differ
Focal length rangeDiffers	15.84 - 17.44 mm	16.88 - 21.88 mm
Aperture range (F-F)Known for one	Unknown — not stated by the source	2.59 - 2.87
Zoom capabilityKnown for one	Unknown — not stated by the source	Yes
Zoom ratioDiffers	1:1	1.3:1
Throw ratioKnown for one	Unknown — not stated by the source	1.15 - 1.5
OffsetKnown for one	Unknown — not stated by the source	105.75%
FocusKnown for one	Manual	Unknown — not stated by the source
Zoom typeKnown for one	Manual	Unknown — not stated by the source
Video1 differ
Full HD	Yes	Yes
3D	Yes	Yes
Supported graphics resolutionsDiffers	1920 x 1080 (HD 1080), 3840 x 2160	640 x 480 (VGA), 3840 x 2160
Supported video modesKnown for one	Unknown — not stated by the source	1080p
Ports & interfaces2 differ
VGA (D-Sub) ports quantity	0	0
HDMI ports quantityDiffers	2	3
HDMI versionKnown for one	Unknown — not stated by the source	2.0
USB 2.0 Type-A ports quantityDiffers	1	2
Audio (L/R) out	1	1
Serial interface type	RS-232	RS-232
IR input ports quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	No	Unknown — not stated by the source
PC Audio outKnown for one	Yes	Unknown — not stated by the source
Network1 differ
Ethernet LANDiffers	No	Yes
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11a, 802.11b, Wi-Fi 4 (802.11n), 802.11g, Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Features1 differ
Noise levelDiffers	29 dB	34 dB
Noise level (economic mode)Known for one	Unknown — not stated by the source	29 dB
HDCPKnown for one	Unknown — not stated by the source	Yes
Preset modesKnown for one	Unknown — not stated by the source	Bright, Infographic, Presentation, Spreadsheet
Country of originKnown for one	Unknown — not stated by the source	China
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	High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)
Projection modesKnown for one	Ceiling, Front, Rear	Unknown — not stated by the source
On Screen Display (OSD)Known for one	Yes	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	1
RMS rated powerKnown for one	Unknown — not stated by the source	15 W
Designidentical
Product type	Standard throw projector	Standard throw projector
Market positioningKnown for one	Unknown — not stated by the source	Business
Product colour	White	White
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
PlacementKnown for one	Floor, Ceiling	Unknown — not stated by the source
Displayidentical
Built-in display	No	No
Power1 differ
Power source	AC	AC
Power consumption (typical)Differs	195 W	310 W
Power consumption (standby)	0.5 W	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
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Weight & dimensions7 differ
WeightDiffers	3.3 kg	4.5 kg
WidthDiffers	322 mm	343.8 mm
DepthDiffers	225 mm	256 mm
HeightDiffers	109 mm	136 mm
Package widthKnown for one	Unknown — not stated by the source	414 mm
Package depthDiffers	297 mm	560 mm
Package heightDiffers	170 mm	297 mm
Package weightDiffers	5.2 kg	8.1 kg
Packaging content1 differ
Remote control included	Yes	Yes
Cables includedDiffers	Power	AC
ManualKnown for one	Unknown — not stated by the source	Yes
Batteries includedKnown for one	Yes	Unknown — not stated by the source
Carrying caseKnown 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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