Product comparison · 2 data projectors

Dell 1850 data projector Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D Black vs Epson 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White

52specifications compared
36differ
16identical
47known for one product only

Key differences

Projector brightness
- 1850 data projector Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D Black:3000 ANSI lumens
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:5000 ANSI lumens
Projection technology
- 1850 data projector Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D Black:DLP
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:3LCD
Projector native resolution
- 1850 data projector Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D Black:1080p (1920x1080)
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:WXGA (1280x800)
Keystone correction, vertical
- 1850 data projector Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D Black:- 40 - 40°
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:-30 - 30°
Service life of light source
- 1850 data projector Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D Black:3500 h
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:4000 h
Lamp power
- 1850 data projector Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D Black:220 W
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:280 W
Focal length range
- 1850 data projector Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D Black:21.9 - 24 mm
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:16.72 - 33.47 mm
Aperture range (F-F)
- 1850 data projector Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D Black:2.5 - 2.67
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:1.5 - 2.14

Side by side

Differences highlightedShow differences only

Comparison of 1850, 4770W
99 specifications	A Dell 1850 data projector Standard throw projector 3000 ANSI lumens DLP 1080p (1920x1080) 3D Black Model 1850 View product	B Epson 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White Model 4770W View product
Projector5 differ
Projector brightnessDiffers	3000 ANSI lumens	5000 ANSI lumens
Projection technologyDiffers	DLP	3LCD
Projector native resolutionDiffers	1080p (1920x1080)	WXGA (1280x800)
Supported aspect ratiosKnown for one	Unknown — not stated by the source	4:3, 16:10
Screen size compatibilityDiffers	849.9 - 7747 mm (33.5 - 305")	762 - 7620 mm (30 - 300")
Contrast ratio (dynamic)Known for one	Unknown — not stated by the source	5000:1
Number of coloursKnown for one	Unknown — not stated by the source	1.073 billion colours
UniformityKnown for one	Unknown — not stated by the source	90%
Horizontal scan rangeKnown for one	Unknown — not stated by the source	15 - 92 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	50 - 85 Hz
Colour light outputKnown for one	Unknown — not stated by the source	5000 ANSI lumens
Keystone correction, horizontalKnown for one	Unknown — not stated by the source	-30 - 30°
Keystone correction, verticalDiffers	- 40 - 40°	-30 - 30°
Matrix typeKnown for one	Unknown — not stated by the source	3-panel (p-Si TFT active)
White light outputKnown for one	Unknown — not stated by the source	5000 ANSI lumens
Contrast ratio (typical)Known for one	2000:1	Unknown — not stated by the source
Projection distanceKnown for one	1.2 - 10 m	Unknown — not stated by the source
Matrix sizeKnown for one	1.65 cm (0.65")	Unknown — not stated by the source
Light source2 differ
Service life of light sourceDiffers	3500 h	4000 h
Lamp typeKnown for one	Unknown — not stated by the source	UHE
Lamp powerDiffers	220 W	280 W
Lamps quantityKnown for one	Unknown — not stated by the source	1 lamp(s)
Lens system4 differ
FocusKnown for one	Unknown — not stated by the source	Manual
Focal length rangeDiffers	21.9 - 24 mm	16.72 - 33.47 mm
Aperture range (F-F)Differs	2.5 - 2.67	1.5 - 2.14
Zoom ratioDiffers	1.1:1	1.2:1
Throw ratioDiffers	1.48 - 1.62:1	1.27 - 2.59:1
Horizontal lens shift rangeKnown for one	Unknown — not stated by the source	-38 - 38%
Vertical lens shift rangeKnown for one	Unknown — not stated by the source	-70 - 70%
Digital zoomKnown for one	1.1x	Unknown — not stated by the source
OffsetKnown for one	116%	Unknown — not stated by the source
Video3 differ
Analog signal format systemDiffers	NTSC, NTSC 4.43, NTSC M, PAL, PAL 4.43, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM 4.25/4.4, SECAM B, SECAM D, SECAM G, SECAM K, SECAM K1, SECAM L	NTSC, PAL
Full HDDiffers	Yes	No
Supported graphics resolutionsKnown for one	Unknown — not stated by the source	1280 x 1024 (SXGA), 1400 x 1050 (SXGA+), 640 x 480 (VGA), 800 x 600 (SVGA)
Supported video modesDiffers	480i, 480p, 576i, 576p, 720p, 1080p	1080i, 1080p, 480i, 480p, 576i, 576p, 720p
3DKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces5 differ
VGA (D-Sub) ports quantityDiffers	1	2
Component video (YPbPr/YCbCr) inDiffers	1	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
S-Video inputs quantityDiffers	0	1
USB 2.0 ports quantityDiffers	0	2
Audio (L/R) inDiffers	1	4
Serial interface typeKnown for one	Unknown — not stated by the source	RS-232
USB connector typeKnown for one	Unknown — not stated by the source	USB Type-A, USB Type-B
BNC input portsKnown for one	Unknown — not stated by the source	1
DC-in jackKnown for one	Unknown — not stated by the source	Yes
HDMI connector typeKnown for one	Full-size	Unknown — not stated by the source
Network2 differ
Ethernet LANDiffers	No	Yes
Ethernet LAN (RJ-45) portsDiffers	0	1
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100 Mbit/s
Features2 differ
Noise levelDiffers	35 dB	38 dB
HDCPDiffers	Yes	No
Dot clock scanning frequencyKnown for one	Unknown — not stated by the source	162 MHz
Password protectionKnown for one	Yes	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Black	White
PlacementDiffers	Desktop, Ceiling	Desktop
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Market positioningKnown for one	Presentation	Unknown — not stated by the source
Power4 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	409 W
Power consumption (standby)Differs	0.5 W	4.3 W
Power consumption (max)Differs	275 W	409 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	0.41 W
Power consumption (economy mode)Differs	215 W	311 W
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC input frequencyDiffers	50 - 60 Hz	56/60 Hz
Voltage toleranceKnown for one	Unknown — not stated by the source	10%
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 40 °C	0 - 45 °C
Storage temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.8 kg	6.49 kg
WidthDiffers	314.4 mm	472 mm
DepthDiffers	223.5 mm	320 mm
HeightDiffers	86.7 mm	134 mm
Packaging content1 differ
Remote control includedDiffers	No	Yes
Remote control typeKnown for one	Unknown — not stated by the source	IR
Cables includedKnown for one	VGA	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
RS-232 portsDiffers	0	1
Multimediaidentical
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
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
Displayidentical
Built-in displayKnown for one	No	Unknown — not stated by the source
Technical detailsidentical
Compliance certificatesKnown for one	RoHS	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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