Product comparison · 2 data projectors

Epson PowerLite 77c Multimedia Projector vs Epson PowerLite S4

33specifications compared
16differ
17identical
7known for one product only

Key differences

Projector brightness
- PowerLite 77c Multimedia Projector:2200 ANSI lumens
- PowerLite S4:1800 ANSI lumens
Projector native resolution
- PowerLite 77c Multimedia Projector:XGA (1024x768)
- PowerLite S4:SVGA (800x600)
Contrast ratio (typical)
- PowerLite 77c Multimedia Projector:400:1
- PowerLite S4:500:1
Uniformity
- PowerLite 77c Multimedia Projector:90%
- PowerLite S4:85%
Vertical scan range
- PowerLite 77c Multimedia Projector:50 - 85 Hz
- PowerLite S4:48 - 85 Hz
Service life of light source
- PowerLite 77c Multimedia Projector:3000 h
- PowerLite S4:2000 h
Service life of light source (economic mode)
- PowerLite 77c Multimedia Projector:4000 h
- PowerLite S4:3000 h
Focal length range
- PowerLite 77c Multimedia Projector:18.4 - 22.12 mm
- PowerLite S4:16.6 mm

Side by side

Differences highlightedShow differences only

Comparison of PowerLite 77c Multimedia Projector, PowerLite S4
40 specifications	A Epson PowerLite 77c Multimedia Projector View product	B Epson PowerLite S4 View product
Projector5 differ
Projector brightnessDiffers	2200 ANSI lumens	1800 ANSI lumens
Projection technology	LCD	LCD
Projector native resolutionDiffers	XGA (1024x768)	SVGA (800x600)
Contrast ratio (typical)Differs	400:1	500:1
Screen size compatibility	762 - 7620 mm (30 - 300")	762 - 7620 mm (30 - 300")
Projection distance	6	6
Number of colours	16.78 million colours	16.78 million colours
UniformityDiffers	90%	85%
Horizontal scan range	15 - 92 kHz	15 - 92 kHz
Vertical scan rangeDiffers	50 - 85 Hz	48 - 85 Hz
Keystone correction, vertical	-30 - 30°	-30 - 30°
Light source2 differ
Light source type	Lamp	Lamp
Service life of light sourceDiffers	3000 h	2000 h
Service life of light source (economic mode)Differs	4000 h	3000 h
Lamp type	UHE	UHE
Lamp power	170 W	170 W
Lens system1 differ
Focal length rangeDiffers	18.4 - 22.12 mm	16.6 mm
FocusKnown for one	Unknown — not stated by the source	Manual
Ports & interfaces1 differ
VGA (D-Sub) ports quantityDiffers	1	2
Component video (YPbPr/YCbCr) inKnown for one	1	Unknown — not stated by the source
Composite video inKnown for one	1	Unknown — not stated by the source
S-Video inputs quantity	1	1
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Features1 differ
Noise levelDiffers	35 dB	36 dB
Dot clock scanning frequency	162 MHz	162 MHz
Multimediaidentical
Number of built-in speakers	1	1
RMS rated power	1 W	1 W
Power2 differ
Power consumption (typical)Differs	248 W	250 W
Power consumption (standby)Differs	4.1 W	5 W
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Weight & dimensions1 differ
WeightDiffers	2.7 kg	2.6 kg
Other features3 differ
Aspect ratioKnown for one	4:3, 16:9	Unknown — not stated by the source
Audio input	RCA x 2	RCA x 2
Connectivity technology	Wired	Wired
Dimensions (WxDxH)Differs	244 x 327.5 x 110 mm	246 x 328 x 100 mm
Interface	USB	USB
Lens systemDiffers	F=1.6 - 1.74	F=1.4
Power requirementsDiffers	100 - 240V ± 10%, 50/60 Hz AC	100-240 V +/- 10%, 50/60 Hz AC
Video inKnown for one	NTSC/NTSC4.43/PAL/M-PAL/N-PAL/PAL60/SECAM	Unknown — not stated by the source
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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