Product comparison · 2 data projectors

Epson PowerLite 77c Multimedia Projector vs NEC VT490 LCD Projector

16specifications compared
12differ
4identical
25known for one product only

Key differences

Projector brightness
- PowerLite 77c Multimedia Projector:2200 ANSI lumens
- VT490 LCD Projector:2000 ANSI lumens
Projector native resolution
- PowerLite 77c Multimedia Projector:XGA (1024x768)
- VT490 LCD Projector:SVGA (800x600)
Contrast ratio (typical)
- PowerLite 77c Multimedia Projector:400:1
- VT490 LCD Projector:600:1
Service life of light source
- PowerLite 77c Multimedia Projector:3000 h
- VT490 LCD Projector:2000 h
Lamp power
- PowerLite 77c Multimedia Projector:170 W
- VT490 LCD Projector:190 W
Focal length range
- PowerLite 77c Multimedia Projector:18.4 - 22.12 mm
- VT490 LCD Projector:1.5 - 1.8 mm
VGA (D-Sub) ports quantity
- PowerLite 77c Multimedia Projector:1
- VT490 LCD Projector:2
Power consumption (typical)
- PowerLite 77c Multimedia Projector:248 W
- VT490 LCD Projector:255 W

Side by side

Differences highlightedShow differences only

Comparison of PowerLite 77c Multimedia Projector, VT490 LCD Projector
41 specifications	A Epson PowerLite 77c Multimedia Projector View product	B NEC VT490 LCD Projector View product
Projector3 differ
Projector brightnessDiffers	2200 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
Projection distanceKnown for one	6	Unknown — not stated by the source
Number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
UniformityKnown for one	90%	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 source2 differ
Light source type	Lamp	Lamp
Service life of light sourceDiffers	3000 h	2000 h
Service life of light source (economic mode)Known for one	4000 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	18.4 - 22.12 mm	1.5 - 1.8 mm
Ports & interfaces1 differ
VGA (D-Sub) ports quantityDiffers	1	2
Component video (YPbPr/YCbCr) inKnown for one	1	Unknown — not stated by the source
Composite video in	1	1
S-Video inputs quantity	1	1
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	35 dB	Unknown — not stated by the source
Dot clock scanning frequencyKnown for one	162 MHz	Unknown — not stated by the source
Multimediaidentical
Number of built-in speakersKnown for one	1	Unknown — not stated by the source
RMS rated powerKnown for one	1 W	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	248 W	255 W
Power consumption (standby)Differs	4.1 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	2.7 kg	2.9 kg
Other features2 differ
Aspect ratioKnown for one	4:3, 16:9	Unknown — not stated by the source
Audio inputKnown for one	RCA x 2	Unknown — not stated by the source
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
Dimensions (WxDxH)Differs	244 x 327.5 x 110 mm	309 x 112 x 258 mm
InterfaceKnown for one	USB	Unknown — not stated by the source
Lens systemKnown for one	F=1.6 - 1.74	Unknown — not stated by the source
Power requirementsDiffers	100 - 240V ± 10%, 50/60 Hz AC	100-240 V; 50/60 Hz
Video inKnown for one	NTSC/NTSC4.43/PAL/M-PAL/N-PAL/PAL60/SECAM	Unknown — not stated by the source
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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