Product comparison · 2 data projectors

Epson EB-955W Standard throw projector 3000 ANSI lumens 3LCD WXGA (1280x800) White vs Viewsonic PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black

44specifications compared
35differ
9identical
72known for one product only

Key differences

Projector brightness
- EB-955W Standard throw projector 3000 ANSI lumens 3LCD WXGA (1280x800) White:3000 ANSI lumens
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:400 ANSI lumens
Projection technology
- EB-955W Standard throw projector 3000 ANSI lumens 3LCD WXGA (1280x800) White:3LCD
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:DLP
Projector native resolution
- EB-955W Standard throw projector 3000 ANSI lumens 3LCD WXGA (1280x800) White:WXGA (1280x800)
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:SVGA (800x600)
Contrast ratio (typical)
- EB-955W Standard throw projector 3000 ANSI lumens 3LCD WXGA (1280x800) White:10000:1
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:1800:1
Native aspect ratio
- EB-955W Standard throw projector 3000 ANSI lumens 3LCD WXGA (1280x800) White:16:10
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:4:3
Supported aspect ratios
- EB-955W Standard throw projector 3000 ANSI lumens 3LCD WXGA (1280x800) White:16:10
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:4:3, 16:9
Screen size compatibility
- EB-955W Standard throw projector 3000 ANSI lumens 3LCD WXGA (1280x800) White:736.6 - 7112 mm (29 - 280")
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:889 - 3810 mm (35 - 150")
Projection distance
- EB-955W Standard throw projector 3000 ANSI lumens 3LCD WXGA (1280x800) White:1.79 - 2.92 m
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:0.7 - 3 m

Side by side

Differences highlightedShow differences only

Comparison of EB-955W, PJD2121
116 specifications	A Epson EB-955W Standard throw projector 3000 ANSI lumens 3LCD WXGA (1280x800) White Model EB-955W View product	B Viewsonic PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black Model PJD2121 View product
Projector10 differ
Projector brightnessDiffers	3000 ANSI lumens	400 ANSI lumens
Projection technologyDiffers	3LCD	DLP
Projector native resolutionDiffers	WXGA (1280x800)	SVGA (800x600)
Contrast ratio (typical)Differs	10000:1	1800:1
Native aspect ratioDiffers	16:10	4:3
Supported aspect ratiosDiffers	16:10	4:3, 16:9
Screen size compatibilityDiffers	736.6 - 7112 mm (29 - 280")	889 - 3810 mm (35 - 150")
Projection distanceDiffers	1.79 - 2.92 m	0.7 - 3 m
Projector brightness (economic mode)Known for one	2100 ANSI lumens	Unknown — not stated by the source
Colour light outputKnown for one	3000 ANSI lumens	Unknown — not stated by the source
Keystone correction, horizontalKnown for one	-30 - 30°	Unknown — not stated by the source
Keystone correction, verticalDiffers	-30 - 30°	- 30 - 30°
Matrix sizeDiffers	1.5 cm (0.59")	1.4 cm (0.55")
White light outputKnown for one	3000 ANSI lumens	Unknown — not stated by the source
Horizontal scan rangeKnown for one	Unknown — not stated by the source	15 - 82 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	50 - 85 Hz
Light source2 differ
Light source type	Lamp	Lamp
Service life of light sourceDiffers	5000 h	2000 h
Service life of light source (economic mode)Known for one	6000 h	Unknown — not stated by the source
Lamp typeKnown for one	E-TORL	Unknown — not stated by the source
Lamp powerDiffers	200 W	50 W
Lamps quantityKnown for one	1 lamp(s)	Unknown — not stated by the source
Lens system1 differ
Focus	Manual	Manual
Focal length rangeKnown for one	18.2 - 29.2 mm	Unknown — not stated by the source
Aperture range (F-F)Known for one	1.51 - 1.99	Unknown — not stated by the source
Zoom capabilityKnown for one	Yes	Unknown — not stated by the source
Zoom typeKnown for one	Manual	Unknown — not stated by the source
Zoom ratioKnown for one	1.6:1	Unknown — not stated by the source
Throw ratioDiffers	1.38 - 2.24:1	1:1
Videoidentical
Full HD	No	No
HD-ReadyKnown for one	Yes	Unknown — not stated by the source
Video processingKnown for one	8 bit	Unknown — not stated by the source
Analog signal format systemKnown for one	Unknown — not stated by the source	NTSC
3DKnown for one	Unknown — not stated by the source	No
Supported graphics resolutionsKnown for one	Unknown — not stated by the source	1280 x 1024 (SXGA), 640 x 480 (VGA), 800 x 600 (SVGA)
Supported video modesKnown for one	Unknown — not stated by the source	1080i, 480i, 480p, 576i, 576p, 720p
Ports & interfaces6 differ
VGA (D-Sub) ports quantityDiffers	3	1
HDMI ports quantityDiffers	1	0
Component video (YPbPr/YCbCr) inDiffers	2	1
Composite video inDiffers	1	0
DVI port	No	No
S-Video inputs quantityDiffers	1	0
USB 2.0 ports quantityDiffers	2	0
Headphone outputsKnown for one	1	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
Serial interface typeKnown for one	RS-232	Unknown — not stated by the source
PC Audio inKnown for one	Yes	Unknown — not stated by the source
USB connector typeKnown for one	USB Type-A, USB Type-B	Unknown — not stated by the source
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
Audio (L/R) inKnown for one	Unknown — not stated by the source	0
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Network2 differ
Ethernet LANDiffers	Yes	No
Ethernet LAN (RJ-45) portsDiffers	1	0
Ethernet LAN data ratesKnown for one	10,100 Mbit/s	Unknown — not stated by the source
Wi-FiKnown for one	Unknown — not stated by the source	No
BluetoothKnown for one	Unknown — not stated by the source	No
Storageidentical
Card reader integrated	No	No
Optical disc player typeKnown for one	Unknown — not stated by the source	Not included
Features1 differ
Noise levelDiffers	37 dB	31 dB
Noise level (economic mode)Known for one	29 dB	Unknown — not stated by the source
Preset modesKnown for one	Dynamic, Presentation, sRGB	Unknown — not stated by the source
2D/3D frequency imageKnown for one	50 - 85 Hz	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
CertificationKnown for one	Unknown — not stated by the source	UL/cUL, FCC-B, CE, CB, CCC, NOM, ICES 003, IRAM, TUV/GS, GOST-R, HYGIENIC, SASO, UKrSEPRO
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	16 W	Unknown — not stated by the source
TimeshiftKnown for one	Unknown — not stated by the source	No
Design2 differ
Product typeDiffers	Standard throw projector	Portable projector
Product colourDiffers	White	Black
PlacementKnown for one	Desktop	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Market positioningKnown for one	Unknown — not stated by the source	Presentation
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Displayidentical
Built-in displayKnown for one	No	Unknown — not stated by the source
Power2 differ
Power source	AC	AC
Power consumption (typical)Differs	281 W	90 W
Power consumption (standby)Known for one	0.47 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	234 W	Unknown — not stated by the source
AC input voltageDiffers	100 - 240 V	90 - 264 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 35 °C	0 - 40 °C
Storage temperature (T-T)Known for one	-10 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Differs	20 - 80%	10 - 85%
Storage relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 3048 m
Weight & dimensions5 differ
WeightDiffers	2.9 kg	980 g
WidthDiffers	297 mm	205 mm
DepthDiffers	269 mm	120 mm
HeightDiffers	87 mm	65 mm
Package widthKnown for one	365 mm	Unknown — not stated by the source
Package depthKnown for one	395 mm	Unknown — not stated by the source
Package heightKnown for one	160 mm	Unknown — not stated by the source
Package weightDiffers	4.4 kg	2.5 kg
Packaging content1 differ
Remote control included	Yes	Yes
Batteries includedKnown for one	Yes	Unknown — not stated by the source
Cables includedDiffers	AC, VGA	VGA
Carrying case	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Remote control typeKnown for one	Unknown — not stated by the source	IR
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Logistics dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Pallet gross heightKnown for one	2.23 m	Unknown — not stated by the source
Pallet gross lengthKnown for one	120 cm	Unknown — not stated by the source
Pallet gross widthKnown for one	80 cm	Unknown — not stated by the source
Pallet height (UK)Known for one	2.23 m	Unknown — not stated by the source
Pallet length (UK)Known for one	120 cm	Unknown — not stated by the source
Pallet width (UK)Known for one	100 cm	Unknown — not stated by the source
Products per palletKnown for one	78 pc(s)	Unknown — not stated by the source
Products per pallet (UK)Known for one	78 pc(s)	Unknown — not stated by the source
Products per pallet layerKnown for one	6 pc(s)	Unknown — not stated by the source
Products per pallet layer (UK)Known for one	6 pc(s)	Unknown — not stated by the source
Other features1 differ
RS-232 portsDiffers	1	0
Technical detailsidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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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