Product comparison · 2 data projectors

BenQ MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White vs Epson PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White

67specifications compared
33differ
34identical
24known for one product only

Key differences

The BenQ MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White has 200 ANSI lumens more projector brightness than the Epson PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White (4000 ANSI lumens vs 3800 ANSI lumens). The Epson PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White has 5,000 :1 more contrast ratio (typical) than the BenQ MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White (15000:1 vs 10000:1). The Epson PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White has 2,000 h more service life of light source than the BenQ MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White (6000 h vs 4000 h). Only the Epson PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White has Ethernet LAN. Projection technology: DLP on the BenQ MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White, 3LCD on the Epson PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White.

Projector brightness
- MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White:4000 ANSI lumens
- PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White:3800 ANSI lumens
Projection technology
- MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White:DLP
- PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White:3LCD
Contrast ratio (typical)
- MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White:10000:1
- PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White:15000:1
Keystone correction, vertical
- MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White:-40 - 40°
- PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White:-30 - 30°
Matrix type
- MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White:DMD
- PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White:3-panel (p-Si TFT active)
Service life of light source
- MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White:4000 h
- PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White:6000 h
Service life of light source (economic mode)
- MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White:10000 h
- PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White:12000 h
Lamp power
- MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White:240 W
- PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White:210 W

Side by side

Differences highlightedShow differences only

Comparison of MU641, 990U
91 specifications	A BenQ MU641 Standard throw projector 4000 ANSI lumens DLP WUXGA (1920x1200) White Model MU641 View product	B Epson PowerLite 990U Standard throw projector 3800 ANSI lumens 3LCD WUXGA (1920x1200) White Model 990U View product
Projector5 differ
Projector brightnessDiffers	4000 ANSI lumens	3800 ANSI lumens
Projection technologyDiffers	DLP	3LCD
Contrast ratio (typical)Differs	10000:1	15000:1
Keystone correction, verticalDiffers	-40 - 40°	-30 - 30°
Matrix sizeKnown for one	1.22 cm (0.48")	Unknown — not stated by the source
Matrix typeDiffers	DMD	3-panel (p-Si TFT active)
Projection distanceKnown for one	Unknown — not stated by the source	0.76 - 7.62 m
Keystone correction, horizontalKnown for one	Unknown — not stated by the source	-30 - 30°
Light source3 differ
Service life of light sourceDiffers	4000 h	6000 h
Service life of light source (economic mode)Differs	10000 h	12000 h
Lamp powerDiffers	240 W	210 W
Lamp typeKnown for one	Unknown — not stated by the source	UHE
Lens system4 differ
Focal length rangeDiffers	15.57 - 18.67 mm	20.3 - 32.5 mm
Aperture range (F-F)Differs	1.94 - 2.06	1.51 - 1.99
Zoom ratioDiffers	1.2:1	1.6:1
Throw ratioDiffers	1.47 - 1.76:1	1.39 - 2.23:1
OffsetKnown for one	100%	Unknown — not stated by the source
FocusKnown for one	Unknown — not stated by the source	Manual
Video2 differ
Analog signal format systemDiffers	NTSC, PAL, SECAM	NTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM
Supported graphics resolutionsDiffers	640 x 480 (VGA), 720 x 480, 720 x 576, 1152 x 864 (XGA+), 1280 x 720 (HD 720), 1280 x 960, 1360 x 768 (WXGA), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA)	640 x 480 (VGA), 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 960, 1366 x 768, 1400 x 1050 (SXGA+), 1440 x 900 (WXGA+), 1600 x 1200 (UXGA), 1600 x 900
Supported video modesKnown for one	480i, 480p, 576i, 576p, 720p, 1080i, 1080p	Unknown — not stated by the source
3DKnown for one	Unknown — not stated by the source	No
Video processingKnown for one	Unknown — not stated by the source	10 bit
Ports & interfaces6 differ
VGA (D-Sub) ports quantityDiffers	2	3
Component video (YPbPr/YCbCr) inDiffers	0	1
Composite video inDiffers	1	0
S-Video inputs quantityDiffers	1	0
Audio (L/R) inDiffers	0	1
Serial interface typeDiffers	RS-232	RS-232C
Remote (IR) outputKnown for one	2	Unknown — not stated by the source
USB 2.0 Type-B ports quantityKnown for one	Unknown — not stated by the source	1
PC in (D-Sub)Known for one	Unknown — not stated by the source	Yes
Network2 differ
Ethernet LANDiffers	No	Yes
Ethernet LAN (RJ-45) portsDiffers	0	1
Features1 differ
Noise levelDiffers	33 dB	37 dB
On Screen Display (OSD)Known for one	Yes	Unknown — not stated by the source
On Screen Display (OSD) languagesKnown for one	Arabic, Bulgarian, Simplified Chinese, Traditional Chinese, Croatian, Czech, Danish, German, Dutch, English, Spanish, Finnish, French, Greek, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Swedish, Thai, Turkish, Vietnamese	Unknown — not stated by the source
Projection modesKnown for one	Unknown — not stated by the source	Ceiling, Front, Rear
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Multimedia1 differ
Number of built-in speakersKnown for one	1	Unknown — not stated by the source
RMS rated powerDiffers	2 W	16 W
Design1 differ
Market positioningKnown for one	Business	Unknown — not stated by the source
PlacementDiffers	Desktop, Ceiling	Desktop
Power3 differ
Power consumption (typical)Differs	300 W	326 W
Power consumption (standby)Differs	0.5 W	2 W
Power consumption (max)Known for one	335 W	Unknown — not stated by the source
Power consumption (economy mode)Differs	220 W	237 W
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 40 °C	5 - 35 °C
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 1499 m	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	3.7 kg	3.2 kg
WidthDiffers	353 mm	307 mm
DepthDiffers	272 mm	292 mm
HeightDiffers	135 mm	104 mm
Other featuresidentical
RS-232CKnown for one	Unknown — not stated by the source	Yes
Technical detailsidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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.

More data projector comparisons

All data projector comparisons