Product comparison · 2 data projectors

3M Digital Projector X90 vs Epson PowerLite 835p

32specifications compared
21differ
11identical
22known for one product only

Key differences

Projector brightness
- Digital Projector X90:4000 ANSI lumens
- PowerLite 835p:3000 ANSI lumens
Contrast ratio (typical)
- Digital Projector X90:1000:1
- PowerLite 835p:600:1
Screen size compatibility
- Digital Projector X90:350
- PowerLite 835p:300
Horizontal scan range
- Digital Projector X90:31.5 - 106 kHz
- PowerLite 835p:15 - 107 kHz
Vertical scan range
- Digital Projector X90:56 - 120 Hz
- PowerLite 835p:50 - 120 Hz
Keystone correction, horizontal
- Digital Projector X90:-20 - 20°
- PowerLite 835p:40°
Keystone correction, vertical
- Digital Projector X90:-40 - 40°
- PowerLite 835p:±45°
Lamp type
- Digital Projector X90:UHB
- PowerLite 835p:UHE

Side by side

Differences highlightedShow differences only

Comparison of Digital Projector X90, PowerLite 835p
54 specifications	A 3M Digital Projector X90 View product	B Epson PowerLite 835p View product
Projector7 differ
Projector brightnessDiffers	4000 ANSI lumens	3000 ANSI lumens
Projection technology	LCD	LCD
Projector native resolution	XGA (1024x768)	XGA (1024x768)
Contrast ratio (typical)Differs	1000:1	600:1
Screen size compatibilityDiffers	350	300
Number of colours	16.78 million colours	16.78 million colours
Horizontal scan rangeDiffers	31.5 - 106 kHz	15 - 107 kHz
Vertical scan rangeDiffers	56 - 120 Hz	50 - 120 Hz
Keystone correction, horizontalDiffers	-20 - 20°	40°
Keystone correction, verticalDiffers	-40 - 40°	±45°
UniformityKnown for one	Unknown — not stated by the source	90%
Light source2 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 typeDiffers	UHB	UHE
Lamp powerDiffers	285 W	200 W
Lens systemidentical
FocusKnown for one	Manual	Unknown — not stated by the source
Focal length rangeKnown for one	24 - 29 mm	Unknown — not stated by the source
Zoom ratioKnown for one	1.2:1	Unknown — not stated by the source
Videoidentical
Analog signal format systemKnown for one	NTSC, PAL, SECAM	Unknown — not stated by the source
Ports & interfaces1 differ
VGA (D-Sub) ports quantity	3	3
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
USB 2.0 ports quantityDiffers	1	2
Audio (L/R) inKnown for one	2	Unknown — not stated by the source
Serial interface type	RS-232	RS-232
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	Type II
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	1
Networkidentical
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Features1 differ
Noise levelDiffers	39 dB	34 dB
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
CertificationKnown for one	UL, cUL, FCC Part 15 Class B, CE, EN60950, WEEE	Unknown — not stated by the source
Dot clock scanning frequencyKnown for one	Unknown — not stated by the source	230 MHz
Multimedia2 differ
Number of built-in speakersDiffers	4	1
RMS rated powerDiffers	16 W	5 W
Designidentical
Market positioningKnown for one	Presentation	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Differs	460 W	300 W
Power consumption (standby)Known for one	Unknown — not stated by the source	38 W
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	7.1 kg	4.7 kg
Other features6 differ
Aspect ratioDiffers	4:3, 16:9	4:3, 5:4, 16:9
Audio inputDiffers	2	RCA x 2
Audio outputKnown for one	1	Unknown — not stated by the source
Connectivity technologyDiffers	Wired	Wireless
Dimensions (WxDxH)Differs	418 x 319 x 139 mm	282 x 367.5 x 126 mm
Power requirementsDiffers	100 - 120 V, 220 - 240 V, 50/60 Hz	100-240V +/-10%, 50/60Hz
RS-232 ports	1	1
I/O portsDiffers	1 x M1-D	RJ45 x 1, Mini D-sub 9pin x 1, RS-232C, USB(B) x 1, USB(A) x 1
InterfaceKnown for one	Unknown — not stated by the source	802.11g
Lens systemKnown for one	Unknown — not stated by the source	F=1.75 - 2.42, f=24 - 38.2 mm
Video inKnown for one	Unknown — not stated by the source	NTSC, NTSC4.43, PAL, M-PAL, N-PAL, PAL60, SECAM, HDTV: 480i, 480p, 720p, 1080i
Packaging contentidentical
Remote control includedKnown for one	Unknown — not stated by the source	Yes

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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