Product comparison · 2 data projectors

Epson PowerLite 1705c Multimedia Projector vs Epson PowerLite 835p

31specifications compared
21differ
10identical
19known for one product only

Key differences

Projector brightness
- PowerLite 1705c Multimedia Projector:2200 ANSI lumens
- PowerLite 835p:3000 ANSI lumens
Contrast ratio (typical)
- PowerLite 1705c Multimedia Projector:400:1
- PowerLite 835p:600:1
Screen size compatibility
- PowerLite 1705c Multimedia Projector:762 - 7620 mm (30 - 300")
- PowerLite 835p:300
Uniformity
- PowerLite 1705c Multimedia Projector:83%
- PowerLite 835p:90%
Horizontal scan range
- PowerLite 1705c Multimedia Projector:15 - 92 kHz
- PowerLite 835p:15 - 107 kHz
Vertical scan range
- PowerLite 1705c Multimedia Projector:50 - 85 Hz
- PowerLite 835p:50 - 120 Hz
Keystone correction, vertical
- PowerLite 1705c Multimedia Projector:-30 - 30°
- PowerLite 835p:±45°
Lamp power
- PowerLite 1705c Multimedia Projector:170 W
- PowerLite 835p:200 W

Side by side

Differences highlightedShow differences only

Comparison of PowerLite 1705c Multimedia Projector, PowerLite 835p
50 specifications	A Epson PowerLite 1705c Multimedia Projector View product	B Epson PowerLite 835p View product
Projector7 differ
Projector brightnessDiffers	2200 ANSI lumens	3000 ANSI lumens
Projection technology	LCD	LCD
Projector native resolution	XGA (1024x768)	XGA (1024x768)
Contrast ratio (typical)Differs	400:1	600:1
Screen size compatibilityDiffers	762 - 7620 mm (30 - 300")	300
Number of colours	16.78 million colours	16.78 million colours
UniformityDiffers	83%	90%
Horizontal scan rangeDiffers	15 - 92 kHz	15 - 107 kHz
Vertical scan rangeDiffers	50 - 85 Hz	50 - 120 Hz
Keystone correction, horizontalKnown for one	Unknown — not stated by the source	40°
Keystone correction, verticalDiffers	-30 - 30°	±45°
Projection distanceKnown for one	6	Unknown — not stated by the source
Light source1 differ
Light source type	Lamp	Lamp
Service life of light source	2000 h	2000 h
Lamp type	UHE	UHE
Lamp powerDiffers	170 W	200 W
Service life of light source (economic mode)Known for one	3000 h	Unknown — not stated by the source
Ports & interfaces1 differ
VGA (D-Sub) ports quantityDiffers	1	3
Composite video in	1	1
S-Video inputs quantity	1	1
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	2
Serial interface typeKnown for one	Unknown — not stated by the source	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
Component video (YPbPr/YCbCr) inKnown for one	1	Unknown — not stated by the source
PC Audio inKnown for one	Yes	Unknown — not stated by the source
Features2 differ
Noise levelDiffers	40 dB	34 dB
Dot clock scanning frequencyDiffers	162 MHz	230 MHz
Air filterKnown for one	Yes	Unknown — not stated by the source
Multimedia1 differ
Number of built-in speakers	1	1
RMS rated powerDiffers	1 W	5 W
Power2 differ
Power consumption (typical)Differs	244 W	300 W
Power consumption (standby)Differs	4 W	38 W
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Weight & dimensions1 differ
WeightDiffers	1.68 kg	4.7 kg
Packaging contentidentical
Remote control includedKnown for one	Unknown — not stated by the source	Yes
Other features6 differ
Aspect ratioDiffers	4:3	4:3, 5:4, 16:9
Audio inputKnown for one	Unknown — not stated by the source	RCA x 2
Connectivity technologyKnown for one	Unknown — not stated by the source	Wireless
Dimensions (WxDxH)Differs	272 x 193 x 79 mm	282 x 367.5 x 126 mm
InterfaceDiffers	USB 2.0, 802.11 a/b/g	802.11g
Lens systemDiffers	F=1.6 - 1.77	F=1.75 - 2.42, f=24 - 38.2 mm
Power requirementsDiffers	100 - 240V ± 10%, 50/60 Hz	100-240V +/-10%, 50/60Hz
RS-232 portsKnown for one	Unknown — not stated by the source	1
Video inDiffers	NTSC, NTSC4.43, PAL, M-PAL, N-PAL, PAL60, SECAM HDTV: 480i, 480p, 720p, 1080i	NTSC, NTSC4.43, PAL, M-PAL, N-PAL, PAL60, SECAM, HDTV: 480i, 480p, 720p, 1080i
I/O portsKnown for one	Unknown — not stated by the source	RJ45 x 1, Mini D-sub 9pin x 1, RS-232C, USB(B) x 1, USB(A) x 1
Lens systemidentical
FocusKnown for one	Manual	Unknown — not stated by the source
Focal length rangeKnown for one	23.7 - 28.5 mm	Unknown — not stated by the source
Videoidentical
HD-ReadyKnown for one	Yes	Unknown — not stated by the source
Designidentical
Market positioningKnown for one	Portable	Unknown — not stated by the source

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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