Product comparison · 2 data projectors

Epson PowerLite 1715c vs NEC VT490 LCD Projector

15specifications compared
10differ
5identical
25known for one product only

Key differences

Projector brightness
- PowerLite 1715c:2700 ANSI lumens
- VT490 LCD Projector:2000 ANSI lumens
Projector native resolution
- PowerLite 1715c:XGA (1024x768)
- VT490 LCD Projector:SVGA (800x600)
Contrast ratio (typical)
- PowerLite 1715c:400:1
- VT490 LCD Projector:600:1
Lamp power
- PowerLite 1715c:170 W
- VT490 LCD Projector:190 W
Focal length range
- PowerLite 1715c:23.7 - 28.5 mm
- VT490 LCD Projector:1.5 - 1.8 mm
VGA (D-Sub) ports quantity
- PowerLite 1715c:1
- VT490 LCD Projector:2
Power consumption (typical)
- PowerLite 1715c:244 W
- VT490 LCD Projector:255 W
Power consumption (standby)
- PowerLite 1715c:4 W
- VT490 LCD Projector:9 W

Side by side

Differences highlightedShow differences only

Comparison of PowerLite 1715c, VT490 LCD Projector
40 specifications	A Epson PowerLite 1715c View product	B NEC VT490 LCD Projector View product
Projector3 differ
Projector brightnessDiffers	2700 ANSI lumens	2000 ANSI lumens
Projection technology	LCD	LCD
Projector native resolutionDiffers	XGA (1024x768)	SVGA (800x600)
Contrast ratio (typical)Differs	400:1	600:1
Screen size compatibilityKnown for one	762 - 7620 mm (30 - 300")	Unknown — not stated by the source
Number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
UniformityKnown for one	83%	Unknown — not stated by the source
Horizontal scan rangeKnown for one	15 - 92 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	50 - 85 Hz	Unknown — not stated by the source
Keystone correction, verticalKnown for one	-30 - 30°	Unknown — not stated by the source
Light source1 differ
Light source type	Lamp	Lamp
Service life of light source	2000 h	2000 h
Service life of light source (economic mode)Known for one	3000 h	Unknown — not stated by the source
Lamp typeKnown for one	UHE	Unknown — not stated by the source
Lamp powerDiffers	170 W	190 W
Lens system1 differ
Focal length rangeDiffers	23.7 - 28.5 mm	1.5 - 1.8 mm
Ports & interfaces1 differ
VGA (D-Sub) ports quantityDiffers	1	2
Composite video in	1	1
S-Video inputs quantity	1	1
USB 2.0 ports quantityKnown for one	2	Unknown — not stated by the source
PC Audio inKnown for one	Yes	Unknown — not stated by the source
Microphone inKnown for one	Unknown — not stated by the source	Yes
Serial interface typeKnown for one	Unknown — not stated by the source	RS-232
Featuresidentical
Noise levelKnown for one	40 dB	Unknown — not stated by the source
Dot clock scanning frequencyKnown for one	162 MHz	Unknown — not stated by the source
Designidentical
Market positioningKnown for one	Portable	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	244 W	255 W
Power consumption (standby)Differs	4 W	9 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	1.68 kg	2.9 kg
Packaging contentidentical
Remote control includedKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Aspect ratioKnown for one	4:3	Unknown — not stated by the source
Dimensions (WxDxH)Differs	272 x 193 x 79 mm	309 x 112 x 258 mm
InterfaceKnown for one	USB 2.0 (A, B), 802.11 a/b/g	Unknown — not stated by the source
Lens systemKnown for one	F=1.6 - 1.77	Unknown — not stated by the source
Power supply typeKnown for one	100-240VAC +/-10%, 50/60Hz	Unknown — not stated by the source
Video inKnown for one	NTSC, NTSC4.43, PAL, M-PAL, N-PAL, PAL60, SECAM HDTV: 480i, 480p, 720p, 1080i	Unknown — not stated by the source
Power requirementsKnown for one	Unknown — not stated by the source	100-240 V; 50/60 Hz
RS-232 portsKnown for one	Unknown — not stated by the source	1
Videoidentical
Analog signal format systemKnown for one	Unknown — not stated by the source	NTSC, PAL, SECAM

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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