Product comparison · 2 data projectors

Epson PowerLite 1770W vs Viewsonic Pro8450w 4500 ANSI lumens DLP WXGA (1280x800) 3D Black

39specifications compared
19differ
20identical
36known for one product only

Key differences

Projector brightness
- PowerLite 1770W:3000 ANSI lumens
- Pro8450w 4500 ANSI lumens DLP WXGA (1280x800) 3D Black:4500 ANSI lumens
Projection technology
- PowerLite 1770W:LCD
- Pro8450w 4500 ANSI lumens DLP WXGA (1280x800) 3D Black:DLP
Keystone correction, vertical
- PowerLite 1770W:± 45°
- Pro8450w 4500 ANSI lumens DLP WXGA (1280x800) 3D Black:±40°
Service life of light source
- PowerLite 1770W:4000 h
- Pro8450w 4500 ANSI lumens DLP WXGA (1280x800) 3D Black:5000 h
Lamp power
- PowerLite 1770W:230 W
- Pro8450w 4500 ANSI lumens DLP WXGA (1280x800) 3D Black:2800 W
VGA (D-Sub) ports quantity
- PowerLite 1770W:1
- Pro8450w 4500 ANSI lumens DLP WXGA (1280x800) 3D Black:2
USB 2.0 ports quantity
- PowerLite 1770W:1
- Pro8450w 4500 ANSI lumens DLP WXGA (1280x800) 3D Black:0
Ethernet LAN
- PowerLite 1770W:No
- Pro8450w 4500 ANSI lumens DLP WXGA (1280x800) 3D Black:Yes

Side by side

Differences highlightedShow differences only

Comparison of PowerLite 1770W, Pro8450w
75 specifications	A Epson PowerLite 1770W View product	B Viewsonic Pro8450w 4500 ANSI lumens DLP WXGA (1280x800) 3D Black Model Pro8450w View product
Projector3 differ
Projector brightnessDiffers	3000 ANSI lumens	4500 ANSI lumens
Projection technologyDiffers	LCD	DLP
Projector native resolution	WXGA (1280x800)	WXGA (1280x800)
Contrast ratio (typical)	2000:1	2000:1
Screen size compatibility	762 - 7620 mm (30 - 300")	762 - 7620 mm (30 - 300")
Projection distanceKnown for one	Unknown — not stated by the source	1.2 - 10 m
Number of colours	16.78 million colours	16.78 million colours
Horizontal scan rangeKnown for one	Unknown — not stated by the source	31 - 100 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	48 - 120 Hz
Keystone correction, verticalDiffers	± 45°	±40°
Matrix sizeKnown for one	Unknown — not stated by the source	1.65 cm (0.65")
Keystone correction, horizontalKnown for one	± 30°	Unknown — not stated by the source
Light source2 differ
Light source type	Lamp	Lamp
Service life of light sourceDiffers	4000 h	5000 h
Service life of light source (economic mode)	4000 h	4000 h
Lamp powerDiffers	230 W	2800 W
Lamp typeKnown for one	UHE	Unknown — not stated by the source
Lens systemidentical
Focus	Manual	Manual
Zoom capabilityKnown for one	Unknown — not stated by the source	Yes
Zoom typeKnown for one	Unknown — not stated by the source	Manual
Optical zoomKnown for one	Unknown — not stated by the source	1.5x
Focal length rangeKnown for one	13.52 - 16.22 mm	Unknown — not stated by the source
Videoidentical
Analog signal format systemKnown for one	Unknown — not stated by the source	NTSC, PAL, SECAM
Full HDKnown for one	Unknown — not stated by the source	No
3DKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces2 differ
VGA (D-Sub) ports quantityDiffers	1	2
HDMI ports quantity	1	1
Component video (YPbPr/YCbCr) in	0	0
Composite video in	1	1
DVI port	No	No
S-Video inputs quantity	0	0
USB 2.0 ports quantityDiffers	1	0
Audio (L/R) in	0	0
Serial interface typeKnown for one	Unknown — not stated by the source	RS-232
AC (power) inKnown for one	Yes	Unknown — not stated by the source
Network2 differ
Ethernet LANDiffers	No	Yes
Ethernet LAN (RJ-45) portsDiffers	0	1
Wi-Fi	No	No
Featuresidentical
Noise levelKnown for one	Unknown — not stated by the source	32 dB
Plug and Play	Yes	Yes
CertificationKnown for one	Unknown — not stated by the source	CB, RoHS, SVHC, WEEE, UL/cUL, FCC-B, ICES-004, TUV-S, NOM, PSB, C-tick, KC, CE, GOST-R, Hygienic, UKrSEPRO, CCC
Multimedia2 differ
Built-in speaker(s)	Yes	Yes
Number of built-in speakersDiffers	1	2
RMS rated powerDiffers	1 W	20 W
Image formats supportedKnown for one	Unknown — not stated by the source	BMP, GIF, JPG, PNG, TIF
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Market positioningKnown for one	Portable	Unknown — not stated by the source
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
Power2 differ
Power consumption (typical)Differs	212 W	350 W
Power consumption (standby)Differs	7.4 W	1 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 conditions1 differ
Operating temperature (T-T)Differs	5 - 35 °C	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 1800 m
Weight & dimensions2 differ
WeightDiffers	1.8 kg	3.86 kg
WidthKnown for one	Unknown — not stated by the source	333 mm
DepthKnown for one	Unknown — not stated by the source	263 mm
HeightKnown for one	Unknown — not stated by the source	110 mm
Package weightDiffers	3.67 kg	5.36 kg
Packaging contentidentical
Remote control included	Yes	Yes
Cables includedKnown for one	Unknown — not stated by the source	VGA
Other features3 differ
Aspect ratio	16:10	16:10
Package dimensions (WxDxH)Differs	434.3 x 284.5 x 122 mm	415 x 190 x 377 mm
Audio inputKnown for one	Unknown — not stated by the source	1
Audio outputKnown for one	Unknown — not stated by the source	1
Connectivity technology	Wired	Wired
Dimensions (WxDxH)Differs	292.1 x 210.8 x 53.3 mm	333 x 263 x 110 mm
Power supply type	AC	AC
RS-232 portsDiffers	0	1
InterfaceKnown for one	USB 2.0	Unknown — not stated by the source
Lens focal rangeKnown for one	1.58 - 1.7	Unknown — not stated by the source
Power requirementsKnown for one	100-240V, 50/60Hz	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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