Product comparison · 2 data projectors

Epson PowerLite 400W vs LG DX540 data projector 4000 ANSI lumens DLP XGA (1024x768)

17specifications compared
11differ
6identical
23known for one product only

Key differences

Projector brightness
- PowerLite 400W:1800 ANSI lumens
- DX540 data projector 4000 ANSI lumens DLP XGA (1024x768):4000 ANSI lumens
Projection technology
- PowerLite 400W:LCD
- DX540 data projector 4000 ANSI lumens DLP XGA (1024x768):DLP
Projector native resolution
- PowerLite 400W:WXGA (1280x720)
- DX540 data projector 4000 ANSI lumens DLP XGA (1024x768):XGA (1024x768)
Contrast ratio (typical)
- PowerLite 400W:500:1
- DX540 data projector 4000 ANSI lumens DLP XGA (1024x768):2800:1
Lamp power
- PowerLite 400W:170 W
- DX540 data projector 4000 ANSI lumens DLP XGA (1024x768):300 W
Noise level
- PowerLite 400W:35 dB
- DX540 data projector 4000 ANSI lumens DLP XGA (1024x768):32 dB
Power consumption (typical)
- PowerLite 400W:251 W
- DX540 data projector 4000 ANSI lumens DLP XGA (1024x768):350 W
Power consumption (standby)
- PowerLite 400W:4.9 W
- DX540 data projector 4000 ANSI lumens DLP XGA (1024x768):5 W

Side by side

Differences highlightedShow differences only

Comparison of PowerLite 400W, DX540
40 specifications	A Epson PowerLite 400W View product	B LG DX540 data projector 4000 ANSI lumens DLP XGA (1024x768) Model DX540 View product
Projector4 differ
Projector brightnessDiffers	1800 ANSI lumens	4000 ANSI lumens
Projection technologyDiffers	LCD	DLP
Projector native resolutionDiffers	WXGA (1280x720)	XGA (1024x768)
Contrast ratio (typical)Differs	500:1	2800:1
Screen size compatibilityKnown for one	1270 - 2540 mm (50 - 100")	Unknown — not stated by the source
Number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
UniformityKnown for one	85%	Unknown — not stated by the source
Horizontal scan rangeKnown for one	15 - 92 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	50 - 85 Hz	Unknown — not stated by the source
Keystone correction, verticalKnown for one	-15 - 15°	Unknown — not stated by the source
Light source1 differ
Light source type	Lamp	Lamp
Lamp typeKnown for one	UHE	Unknown — not stated by the source
Lamp powerDiffers	170 W	300 W
Service life of light sourceKnown for one	Unknown — not stated by the source	2000 h
Service life of light source (economic mode)Known for one	Unknown — not stated by the source	2500 h
Ports & interfacesidentical
VGA (D-Sub) ports quantity	2	2
Composite video inKnown for one	1	Unknown — not stated by the source
S-Video inputs quantity	1	1
Headphone outputsKnown for one	1	Unknown — not stated by the source
Serial interface type	RS-232	RS-232
DVI portKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Features1 differ
Noise levelDiffers	35 dB	32 dB
Dot clock scanning frequencyKnown for one	162 MHz	Unknown — not stated by the source
Multimediaidentical
Number of built-in speakersKnown for one	1	Unknown — not stated by the source
RMS rated powerKnown for one	10 W	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	251 W	350 W
Power consumption (standby)Differs	4.9 W	5 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	3.6 kg	4.5 kg
Packaging contentidentical
Remote control included	Yes	Yes
Other features2 differ
Audio inputKnown for one	1x RCA (L&R), 2 x mini stereo	Unknown — not stated by the source
Dimensions (WxDxH)Differs	327.6 x 271.8 x 157.5 mm	346 x 263 x 109 mm
Lens systemKnown for one	F=1.80, f=6.48 mm	Unknown — not stated by the source
Power requirementsDiffers	100-240VAC +/-10%, 50/60Hz	AC 100~240V, 50/60Hz
RS-232 ports	1	1
Aspect ratioKnown for one	Unknown — not stated by the source	4:3, 16:9
InterfaceKnown for one	Unknown — not stated by the source	USB
Lens systemidentical
FocusKnown for one	Unknown — not stated by the source	Manual
Focal length rangeKnown for one	Unknown — not stated by the source	22.2 - 26.4 mm

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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