Product comparison · 2 data projectors

Epson EB-1840W vs Epson EB-420

60specifications compared
36differ
24identical
14known for one product only

Key differences

Projector native resolution
- EB-1840W:WXGA (1366x768)
- EB-420:XGA (1024x768)
Contrast ratio (typical)
- EB-1840W:2500:1
- EB-420:3000:1
Projection distance
- EB-1840W:1.79 - 2.92 m
- EB-420:0.97 - 2.2 m
Service life of light source
- EB-1840W:4000 h
- EB-420:5000 h
Service life of light source (economic mode)
- EB-1840W:3000 h
- EB-420:6000 h
Lamp power
- EB-1840W:275 W
- EB-420:200 W
Focal length range
- EB-1840W:18.2 - 29.2 mm
- EB-420:6.48 mm
Offset
- EB-1840W:10:0
- EB-420:12.80:1

Side by side

Differences highlightedShow differences only

Comparison of EB-1840W, EB-420
74 specifications	A Epson EB-1840W Model EB-1840W View product	B Epson EB-420 Model EB-420 View product
Projector4 differ
Projection technology	LCD	LCD
Projector native resolutionDiffers	WXGA (1366x768)	XGA (1024x768)
Contrast ratio (typical)Differs	2500:1	3000:1
Screen size compatibilityDiffers	736.6 - 7112 mm (29 - 280")	939.8 - 2743.2 mm (37 - 108")
Projection distanceDiffers	1.79 - 2.92 m	0.97 - 2.2 m
Number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Keystone correction, horizontalKnown for one	30°	Unknown — not stated by the source
Keystone correction, verticalKnown for one	30°	Unknown — not stated by the source
Projector brightnessKnown for one	Unknown — not stated by the source	2500 ANSI lumens
Projector brightness (economic mode)Known for one	Unknown — not stated by the source	2500 ANSI lumens
Light source3 differ
Light source type	Lamp	Lamp
Service life of light sourceDiffers	4000 h	5000 h
Service life of light source (economic mode)Differs	3000 h	6000 h
Lamp type	UHE	UHE
Lamp powerDiffers	275 W	200 W
Lens system2 differ
Focus	Manual	Manual
Focal length rangeDiffers	18.2 - 29.2 mm	6.48 mm
Zoom capability	Yes	Yes
Zoom type	Manual	Manual
Digital zoomKnown for one	1.6x	Unknown — not stated by the source
Throw ratioKnown for one	1.38 - 2.24:1	Unknown — not stated by the source
OffsetDiffers	10:0	12.80:1
Video1 differ
Full HDDiffers	No	Yes
3D	No	No
Ports & interfaces4 differ
HDMI ports quantityDiffers	0	1
Component video (YPbPr/YCbCr) inDiffers	0	2
Composite video in	0	0
DVI port	No	No
S-Video inputs quantity	1	1
USB 2.0 ports quantityDiffers	2	1
Audio (L/R) in	0	0
Headphone outputsDiffers	2	1
Serial interface typeKnown for one	RS-232	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	2
Network2 differ
Ethernet LANDiffers	No	Yes
Ethernet LAN (RJ-45) portsDiffers	0	1
Wi-Fi	No	No
Features2 differ
Noise levelDiffers	39 dB	35 dB
Noise level (economic mode)Differs	35 dB	28 dB
Country of origin	China	China
Plug and Play	Yes	Yes
Multimedia1 differ
Built-in speaker(s)	Yes	Yes
Number of built-in speakersKnown for one	1	Unknown — not stated by the source
RMS rated powerDiffers	5 W	16 W
Designidentical
Product type	Standard throw projector	Standard throw projector
Product colour	White	White
LED indicators	Yes	Yes
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Power3 differ
Power consumption (typical)Differs	365 W	283 W
Power consumption (standby)Differs	0.33 W	0.39 W
Power consumption (PowerSave)Differs	289 W	237 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	3.3 kg	3.8 kg
Package widthDiffers	355 mm	373 mm
Package depthDiffers	485 mm	420 mm
Package heightDiffers	175 mm	275 mm
Package weightDiffers	5 kg	5.74 kg
Packaging content1 differ
Remote control includedDiffers	Yes	No
Logistics data5 differ
Quantity per pack	1 pc(s)	1 pc(s)
Pallet gross heightDiffers	2.25 m	2.06 m
Pallet gross length	120 cm	120 cm
Pallet gross width	80 cm	80 cm
Pallet height (UK)Differs	2.25 m	2.06 m
Pallet length (UK)	120 cm	120 cm
Pallet width (UK)	100 cm	100 cm
Products per palletDiffers	48 pc(s)	35 pc(s)
Products per pallet (UK)Differs	72 pc(s)	42 pc(s)
Products per pallet layerDiffers	4 pc(s)	5 pc(s)
Products per pallet layer (UK)	6 pc(s)	6 pc(s)
Other features3 differ
Aspect ratioDiffers	16:10	4:3
Dimensions (WxDxH)Differs	345 x 263 x 93 mm	345 x 277 x 105 mm
RS-232 portsDiffers	1	0

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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