Product comparison · 2 data projectors

BenQ MP620c 2000 ANSI lumens DLP XGA (1024x768) vs Viewsonic PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768)

14specifications compared
8differ
6identical
30known for one product only

Key differences

Projector brightness
- MP620c 2000 ANSI lumens DLP XGA (1024x768):2000 ANSI lumens
- PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768):2500 ANSI lumens
Projection technology
- MP620c 2000 ANSI lumens DLP XGA (1024x768):DLP
- PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768):LCD
Contrast ratio (typical)
- MP620c 2000 ANSI lumens DLP XGA (1024x768):700:1
- PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768):600:1
Lamp power
- MP620c 2000 ANSI lumens DLP XGA (1024x768):200 W
- PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768):205 W
VGA (D-Sub) ports quantity
- MP620c 2000 ANSI lumens DLP XGA (1024x768):1
- PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768):2
Component video (YPbPr/YCbCr) in
- MP620c 2000 ANSI lumens DLP XGA (1024x768):1
- PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768):3
Power consumption (typical)
- MP620c 2000 ANSI lumens DLP XGA (1024x768):285 W
- PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768):280 W
Aspect ratio
- MP620c 2000 ANSI lumens DLP XGA (1024x768):4:3
- PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768):4:3, 16:9

Side by side

Differences highlightedShow differences only

Comparison of MP620c, PJ678
44 specifications	A BenQ MP620c 2000 ANSI lumens DLP XGA (1024x768) Model MP620c View product	B Viewsonic PJ678 data projector 2500 ANSI lumens LCD XGA (1024x768) Model PJ678 View product
Projector3 differ
Projector brightnessDiffers	2000 ANSI lumens	2500 ANSI lumens
Projection technologyDiffers	DLP	LCD
Projector native resolution	XGA (1024x768)	XGA (1024x768)
Contrast ratio (typical)Differs	700:1	600:1
Screen size compatibilityKnown for one	Unknown — not stated by the source	711.2 - 8407.4 mm (28 - 331")
Projection distanceKnown for one	Unknown — not stated by the source	1 - 10 m
Keystone correction, verticalKnown for one	Unknown — not stated by the source	32°
Matrix sizeKnown for one	Unknown — not stated by the source	1.6 cm (0.63")
Number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Horizontal scan rangeKnown for one	31 - 82 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	48 - 85 Hz	Unknown — not stated by the source
Light source1 differ
Light source type	Lamp	Lamp
Service life of light source	3000 h	3000 h
Lamp powerDiffers	200 W	205 W
Lens systemidentical
FocusKnown for one	Unknown — not stated by the source	Manual
Focal length rangeKnown for one	Unknown — not stated by the source	18.85 - 22.23 mm
Zoom ratioKnown for one	1.15:1	Unknown — not stated by the source
Videoidentical
Analog signal format systemKnown for one	Unknown — not stated by the source	NTSC 4.43, NTSC M, PAL, SECAM
Ports & interfaces2 differ
VGA (D-Sub) ports quantityDiffers	1	2
Component video (YPbPr/YCbCr) inDiffers	1	3
Composite video in	1	1
DVI port	Yes	Yes
S-Video inputs quantity	1	1
Audio (L/R) outKnown for one	Unknown — not stated by the source	1
Serial interface typeKnown for one	Unknown — not stated by the source	RS-232
Audio (L/R) inKnown for one	1	Unknown — not stated by the source
PC Audio inKnown for one	Yes	Unknown — not stated by the source
Featuresidentical
Noise levelKnown for one	Unknown — not stated by the source	34 dB
CertificationKnown for one	Unknown — not stated by the source	CE, CB, FCC-B, CCC, TÜV-GS, WEEE, RoHS
Multimediaidentical
Number of built-in speakersKnown for one	Unknown — not stated by the source	1
RMS rated powerKnown for one	Unknown — not stated by the source	2 W
Designidentical
Market positioningKnown for one	Unknown — not stated by the source	Portable
Power1 differ
Power consumption (typical)Differs	285 W	280 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	3.1 kg
Package weightKnown for one	Unknown — not stated by the source	4.1 kg
Other features1 differ
Aspect ratioDiffers	4:3	4:3, 16:9
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	360 x 220 x 310 mm
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	298 x 224 x 84 mm
Lens focal rangeKnown for one	Unknown — not stated by the source	1.75 - 1.9
Power requirementsKnown for one	Unknown — not stated by the source	AC 100 - 120/200 - 240V, 50/60Hz
RS-232 portsKnown for one	Unknown — not stated by the source	1

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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