Product comparison · 2 data projectors

Epson EH-TW4000 1600 ANSI lumens Black vs Viewsonic PJD6251 data projector Standard throw projector 3700 ANSI lumens DLP XGA (1024x768)

5specifications compared
5differ
0identical
41known for one product only

Key differences

Projector brightness
- EH-TW4000 1600 ANSI lumens Black:1600 ANSI lumens
- PJD6251 data projector Standard throw projector 3700 ANSI lumens DLP XGA (1024x768):3700 ANSI lumens
Focal length range
- EH-TW4000 1600 ANSI lumens Black:22.50 - 47.2 mm
- PJD6251 data projector Standard throw projector 3700 ANSI lumens DLP XGA (1024x768):19.9 - 23.88 mm
Power consumption (typical)
- EH-TW4000 1600 ANSI lumens Black:299 W
- PJD6251 data projector Standard throw projector 3700 ANSI lumens DLP XGA (1024x768):380 W
Weight
- EH-TW4000 1600 ANSI lumens Black:7.3 kg
- PJD6251 data projector Standard throw projector 3700 ANSI lumens DLP XGA (1024x768):2.9 kg
Dimensions (WxDxH)
- EH-TW4000 1600 ANSI lumens Black:360 x 450 x 136 mm
- PJD6251 data projector Standard throw projector 3700 ANSI lumens DLP XGA (1024x768):280 x 218 x 114 mm

Side by side

Differences highlightedShow differences only

Comparison of EH-TW4000, PJD6251
46 specifications	A Epson EH-TW4000 1600 ANSI lumens Black Model EH-TW4000 View product	B Viewsonic PJD6251 data projector Standard throw projector 3700 ANSI lumens DLP XGA (1024x768) Model PJD6251 View product
Projector1 differ
Projector brightnessDiffers	1600 ANSI lumens	3700 ANSI lumens
Projection technologyKnown for one	Unknown — not stated by the source	DLP
Projector native resolutionKnown for one	Unknown — not stated by the source	XGA (1024x768)
Contrast ratio (typical)Known for one	Unknown — not stated by the source	2800:1
Screen size compatibilityKnown for one	Unknown — not stated by the source	1016 - 7620 mm (40 - 300")
Projection distanceKnown for one	Unknown — not stated by the source	1 - 10 m
Number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
Horizontal scan rangeKnown for one	Unknown — not stated by the source	31 - 100 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	50 - 120 Hz
Keystone correction, horizontalKnown for one	Unknown — not stated by the source	40°
Keystone correction, verticalKnown for one	Unknown — not stated by the source	40°
Light sourceidentical
Light source typeKnown for one	Unknown — not stated by the source	Lamp
Service life of light sourceKnown for one	Unknown — not stated by the source	4000 h
Lamp powerKnown for one	Unknown — not stated by the source	230 W
Lamp typeKnown for one	UHE	Unknown — not stated by the source
Lens system1 differ
Focal length rangeDiffers	22.50 - 47.2 mm	19.9 - 23.88 mm
Digital zoomKnown for one	Unknown — not stated by the source	1.2x
Videoidentical
Analog signal format systemKnown for one	Unknown — not stated by the source	SECAM
Ports & interfacesidentical
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	3
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
S-Video inputs quantityKnown for one	Unknown — not stated by the source	1
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Serial interface typeKnown for one	Unknown — not stated by the source	RS-232
Networkidentical
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Featuresidentical
CertificationKnown for one	Unknown — not stated by the source	CB, ROHS, WEEE, UL/cUL, FCC-B, ICES-003, IRAM (Argentina), NOMPSB, C-tick, EK, CE, TUV/GS, GOST-R, Hygienic, SASO UKrSEPRO, CCC
Multimediaidentical
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
RMS rated powerKnown for one	Unknown — not stated by the source	5 W
Designidentical
Product typeKnown for one	Unknown — not stated by the source	Standard throw projector
Market positioningKnown for one	Unknown — not stated by the source	Presentation
Product colourKnown for one	Black	Unknown — not stated by the source
Displayidentical
Colour depthKnown for one	Unknown — not stated by the source	24 bit
Power1 differ
Power consumption (typical)Differs	299 W	380 W
Power consumption (standby)Known for one	Unknown — not stated by the source	1 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	30 - 85%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	30 - 85%
Weight & dimensions1 differ
WeightDiffers	7.3 kg	2.9 kg
Other features1 differ
Aspect ratioKnown for one	Unknown — not stated by the source	4:3, 16:9
Audio inputKnown for one	Unknown — not stated by the source	2 × 3.5mm mini jak
Audio outputKnown for one	Unknown — not stated by the source	1 × 3.5mm mini jack
Dimensions (WxDxH)Differs	360 x 450 x 136 mm	280 x 218 x 114 mm
Power requirementsKnown for one	Unknown — not stated by the source	AC 100-240 V, 50 - 60 Hz, 2.5A
RS-232 portsKnown for one	Unknown — not stated by the source	1
I/O portsKnown for one	Unknown — not stated by the source	2 × 15-pin mini D-sub 1 × 15-pin mini D-sub 1 × RCA jack 1 × 4-pin mini-DIN
InterfaceKnown for one	USB	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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