Product comparison · 2 data projectors

Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White vs BenQ LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White

36specifications compared
19differ
17identical
45known for one product only

Key differences

The Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has 500 ANSI lumens more projector brightness than the BenQ LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White (4000 ANSI lumens vs 3500 ANSI lumens). The BenQ LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White has 0.1 :1 more zoom ratio than the Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White (1.1:1 vs 1:1). The Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has 1 more HDMI ports quantity than the BenQ LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White (2 vs 1). Only the Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has full HD. Only the Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has Wi-Fi.

Projector brightness
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:4000 ANSI lumens
- LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White:3500 ANSI lumens
Projector native resolution
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1080p (1920x1080)
- LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White:WXGA (1280x800)
Contrast ratio (typical)
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1:3500000
- LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White:20000:1
Light source type
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:Lamp
- LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White:LED
Zoom ratio
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1:1
- LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White:1.1:1
Full HD
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:Yes
- LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White:No
HDMI ports quantity
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:2
- LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White:1
Wi-Fi
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:Yes
- LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White:No

Side by side

Differences highlightedShow differences only

Comparison of HL6521G, LW555C
81 specifications	A Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White Model HL6521G View product	B BenQ LW555C Standard throw projector 3500 ANSI lumens DLP WXGA (1280x800) 3D White Model LW555C View product
Projector3 differ
Projector brightnessDiffers	4000 ANSI lumens	3500 ANSI lumens
Projection technology	DLP	DLP
Projector native resolutionDiffers	1080p (1920x1080)	WXGA (1280x800)
Contrast ratio (typical)Differs	1:3500000	20000:1
Native aspect ratio	16:10	16:10
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 - 130 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	23 - 120 Hz
Colour gamutKnown for one	Unknown — not stated by the source	92%
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	LED
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 system1 differ
Zoom ratioDiffers	1:1	1.1:1
Throw ratioKnown for one	Unknown — not stated by the source	1.55-1.7
OffsetKnown for one	Unknown — not stated by the source	100%
FocusKnown for one	Manual	Unknown — not stated by the source
Focal length rangeKnown for one	15.84 - 17.44 mm	Unknown — not stated by the source
Zoom typeKnown for one	Manual	Unknown — not stated by the source
Video2 differ
Full HDDiffers	Yes	No
3D	Yes	Yes
Supported graphics resolutionsDiffers	1920 x 1080 (HD 1080), 3840 x 2160	640 x 480 (VGA), 1920 x 1200 (WUXGA)
Ports & interfaces1 differ
VGA (D-Sub) ports quantity	0	0
HDMI ports quantityDiffers	2	1
HDMI versionKnown for one	Unknown — not stated by the source	1.4a
Component video (YPbPr/YCbCr) inKnown for one	Unknown — not stated by the source	0
Composite video inKnown for one	Unknown — not stated by the source	0
DVI port	No	No
USB 2.0 Type-A ports quantity	1	1
Audio (L/R) inKnown for one	Unknown — not stated by the source	0
Headphone outputsKnown for one	Unknown — not stated by the source	1
Serial interface type	RS-232	RS-232
Audio (L/R) outKnown for one	1	Unknown — not stated by the source
PC Audio outKnown for one	Yes	Unknown — not stated by the source
Network1 differ
Smart TVKnown for one	Unknown — not stated by the source	No
Ethernet LAN	No	No
Wi-FiDiffers	Yes	No
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
Storageidentical
Card reader integratedKnown for one	Unknown — not stated by the source	No
Features1 differ
Noise levelDiffers	29 dB	31 dB
Noise level (economic mode)Known for one	Unknown — not stated by the source	28 dB
HDCPKnown for one	Unknown — not stated by the source	Yes
Preset modesKnown for one	Unknown — not stated by the source	3D, Bright, Presentation, Spreadsheet, sRGB
Country of originKnown for one	Unknown — not stated by the source	China
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
Design1 differ
Product type	Standard throw projector	Standard throw projector
Market positioningKnown for one	Unknown — not stated by the source	Business
Product colour	White	White
PlacementDiffers	Floor, Ceiling	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
Power1 differ
Power source	AC	AC
Power consumption (typical)Differs	195 W	200 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
Weight & dimensions7 differ
WeightDiffers	3.3 kg	3 kg
WidthDiffers	322 mm	303.5 mm
DepthDiffers	225 mm	224.6 mm
HeightDiffers	109 mm	112.4 mm
Package widthKnown for one	Unknown — not stated by the source	170 mm
Package depthDiffers	297 mm	410 mm
Package heightDiffers	170 mm	340 mm
Package weightDiffers	5.2 kg	4.5 kg
Packaging contentidentical
Remote control included	Yes	Yes
Batteries included	Yes	Yes
Cables included	Power	Power
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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