Product comparison · 2 data projectors

Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White vs Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White

34specifications compared
17differ
17identical
41known 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 Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White (4000 ANSI lumens vs 3500 ANSI lumens). The Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White has 3 dB more noise level than the Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White (32 dB vs 29 dB). The Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White has 52 W more power consumption (typical) than the Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White (195 W vs 143 W). Projector native resolution: 1080p (1920x1080) on the Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White, UHD 4K (3840x2160) on the Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White. Contrast ratio (typical): 1:3500000 on the Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White, 3000000:1 on the Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White.

Projector brightness
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:4000 ANSI lumens
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:3500 ANSI lumens
Projector native resolution
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1080p (1920x1080)
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:UHD 4K (3840x2160)
Contrast ratio (typical)
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1:3500000
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:3000000:1
Native aspect ratio
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:16:10
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:16:9
Projection distance
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:1 - 10 m
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:1.49 - 9.72 m
Light source type
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:Lamp
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:Laser
Focal length range
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:15.84 - 17.44 mm
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:11.9 - 15.5 mm
Noise level
- HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White:29 dB
- LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White:32 dB

Side by side

Differences highlightedShow differences only

Comparison of HL6521G, LX720-4K
75 specifications	A Acer HL6521G Standard throw projector 4000 ANSI lumens DLP 1080p (1920x1080) 3D White Model HL6521G View product	B Viewsonic LX720-4K data projector Standard throw projector 3500 ANSI lumens UHD 4K (3840x2160) 3D White Model LX720-4K View product
Projector5 differ
Projector brightnessDiffers	4000 ANSI lumens	3500 ANSI lumens
Projector native resolutionDiffers	1080p (1920x1080)	UHD 4K (3840x2160)
Contrast ratio (typical)Differs	1:3500000	3000000:1
Native aspect ratioDiffers	16:10	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 distanceDiffers	1 - 10 m	1.49 - 9.72 m
Number of coloursKnown for one	Unknown — not stated by the source	1.07 billion colours
Keystone correction, horizontalKnown for one	Unknown — not stated by the source	+-25°
Keystone correction, verticalKnown for one	Unknown — not stated by the source	+-25°
Projection technologyKnown for one	DLP	Unknown — not stated by the source
Supported aspect ratiosKnown for one	4:3, 16:10	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
Lens system1 differ
Focal length rangeDiffers	15.84 - 17.44 mm	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
Throw ratioKnown for one	Unknown — not stated by the source	1.127-1.465
Zoom typeKnown for one	Manual	Unknown — not stated by the source
Zoom ratioKnown for one	1:1	Unknown — not stated by the source
Video1 differ
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	480i, 576i, 720p, 1080i, 1080p, 2160p
Full HDKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
HDMI versionKnown for one	Unknown — not stated by the source	2.0
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
Audio Return Channel (ARC)Known for one	Unknown — not stated by the source	Yes
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
Networkidentical
Smart TVKnown for one	Unknown — not stated by the source	Yes
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	5.0
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
Internal storage capacityKnown for one	Unknown — not stated by the source	8 GB
Features1 differ
Noise levelDiffers	29 dB	32 dB
Noise level (economic mode)Known for one	Unknown — not stated by the source	26 dB
HDCPKnown for one	Unknown — not stated by the source	Yes
Projection modesKnown for one	Ceiling, Front, Rear	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
RMS rated powerKnown for one	Unknown — not stated by the source	10 W
Designidentical
Market positioningKnown for one	Unknown — not stated by the source	Home cinema
PlacementKnown for one	Floor, Ceiling	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Differs	195 W	143 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
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	3.5 kg
WidthDiffers	322 mm	312 mm
DepthDiffers	225 mm	234 mm
HeightDiffers	109 mm	104 mm
Package widthKnown for one	Unknown — not stated by the source	415 mm
Package depthDiffers	297 mm	168 mm
Package heightDiffers	170 mm	297 mm
Package weightDiffers	5.2 kg	4.6 kg
Packaging contentidentical
Batteries includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	Power	Unknown — not stated by the source
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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