Product comparison · 2 data projectors

NEC VT580 2000 ANSI lumens LCD XGA (1024x768) vs Viewsonic Ultra-Portable XGA DLP Projector PJ458D

21specifications compared
13differ
8identical
11known for one product only

Key differences

Projection technology
- VT580 2000 ANSI lumens LCD XGA (1024x768):LCD
- Ultra-Portable XGA DLP Projector PJ458D:DLP
Contrast ratio (typical)
- VT580 2000 ANSI lumens LCD XGA (1024x768):600:1
- Ultra-Portable XGA DLP Projector PJ458D:2000:1
Horizontal scan range
- VT580 2000 ANSI lumens LCD XGA (1024x768):15 - 100 kHz
- Ultra-Portable XGA DLP Projector PJ458D:31 - 79 kHz
Vertical scan range
- VT580 2000 ANSI lumens LCD XGA (1024x768):50 - 120 Hz
- Ultra-Portable XGA DLP Projector PJ458D:50 - 85 Hz
Noise level
- VT580 2000 ANSI lumens LCD XGA (1024x768):35 dB
- Ultra-Portable XGA DLP Projector PJ458D:34 dB
Display resolution
- VT580 2000 ANSI lumens LCD XGA (1024x768):1600 x 1200 pixels
- Ultra-Portable XGA DLP Projector PJ458D:1280 x 1024 pixels
Power consumption (typical)
- VT580 2000 ANSI lumens LCD XGA (1024x768):280 W
- Ultra-Portable XGA DLP Projector PJ458D:250 W
Weight
- VT580 2000 ANSI lumens LCD XGA (1024x768):2.9 kg
- Ultra-Portable XGA DLP Projector PJ458D:2.2 kg

Side by side

Differences highlightedShow differences only

Comparison of VT580, Ultra-Portable XGA DLP Projector PJ458D
32 specifications	A NEC VT580 2000 ANSI lumens LCD XGA (1024x768) Model VT580 View product	B Viewsonic Ultra-Portable XGA DLP Projector PJ458D View product
Projector4 differ
Projector brightness	2000 ANSI lumens	2000 ANSI lumens
Projection technologyDiffers	LCD	DLP
Projector native resolution	XGA (1024x768)	XGA (1024x768)
Contrast ratio (typical)Differs	600:1	2000:1
Projection distanceKnown for one	Unknown — not stated by the source	1.2 - 10 m
Horizontal scan rangeDiffers	15 - 100 kHz	31 - 79 kHz
Vertical scan rangeDiffers	50 - 120 Hz	50 - 85 Hz
Screen size compatibilityKnown for one	1935.5 - 19354.8 mm (76.2 - 762")	Unknown — not stated by the source
Light sourceidentical
Light source type	Lamp	Lamp
Service life of light source	3000 h	3000 h
Lamp power	200 W	200 W
Lens systemidentical
Focus	Manual	Manual
Digital zoomKnown for one	Unknown — not stated by the source	1.2x
Features1 differ
Noise levelDiffers	35 dB	34 dB
Multimediaidentical
Number of built-in speakers	1	1
Designidentical
Market positioningKnown for one	Unknown — not stated by the source	Portable
Display1 differ
Display diagonalKnown for one	Unknown — not stated by the source	1.4 cm (0.55")
Display resolutionDiffers	1600 x 1200 pixels	1280 x 1024 pixels
DisplayKnown for one	LCD	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Differs	280 W	250 W
Power consumption (standby)Known for one	7.4 W	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	35 - 85%
Weight & dimensions1 differ
WeightDiffers	2.9 kg	2.2 kg
Other features5 differ
Aspect ratioDiffers	4:3	4:3, 16:9
Dimensions (WxDxH)Differs	309 x 258 x 112 mm	256 x 200 x 88 mm
Interface	USB	USB
Lens systemDiffers	F= 1.7–2.07, f= 18.9–22.7 mm	F2.4 - 2.57, f = 18 - 21.57
Power requirementsDiffers	100-120/200-240VAC 50/60Hz	AC 100 - 240V, 50/60Hz
Video inKnown for one	Unknown — not stated by the source	NTSC M, NTSC 4.43, PAL (B, D, G, H, I, M, N), SECAM, HDTV (480i/p, 576i/p, 720p, 1080i)
Digital keystone correctionKnown for one	Unknown — not stated by the source	± 15°
I/O portsDiffers	VGA, S-Video, Composite, Monitor Out, Audio In x2, Audio Out, RS-232	RGB-PC(15-pin mini D-sub), Composite video(RCA jack), S-video(4-pin mini-DIN) Component video, Audio(3.5mm stereo mini jack), USB

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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