Product comparison · 2 data projectors

NEC V281W Standard throw projector 2800 ANSI lumens DLP WXGA (1280x800) 3D White vs Viewsonic PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black

49specifications compared
33differ
16identical
32known for one product only

Key differences

Projector brightness
- V281W Standard throw projector 2800 ANSI lumens DLP WXGA (1280x800) 3D White:2800 ANSI lumens
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:400 ANSI lumens
Projector native resolution
- V281W Standard throw projector 2800 ANSI lumens DLP WXGA (1280x800) 3D White:WXGA (1280x800)
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:SVGA (800x600)
Contrast ratio (typical)
- V281W Standard throw projector 2800 ANSI lumens DLP WXGA (1280x800) 3D White:3000:1
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:1800:1
Projection distance
- V281W Standard throw projector 2800 ANSI lumens DLP WXGA (1280x800) 3D White:1 - 11 m
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:0.7 - 3 m
Horizontal scan range
- V281W Standard throw projector 2800 ANSI lumens DLP WXGA (1280x800) 3D White:15 - 100 kHz
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:15 - 82 kHz
Vertical scan range
- V281W Standard throw projector 2800 ANSI lumens DLP WXGA (1280x800) 3D White:50 - 120 Hz
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:50 - 85 Hz
Matrix size
- V281W Standard throw projector 2800 ANSI lumens DLP WXGA (1280x800) 3D White:1.65 cm (0.65")
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:1.4 cm (0.55")
Service life of light source
- V281W Standard throw projector 2800 ANSI lumens DLP WXGA (1280x800) 3D White:3000 h
- PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:2000 h

Side by side

Differences highlightedShow differences only

Comparison of V281W, PJD2121
81 specifications	A NEC V281W Standard throw projector 2800 ANSI lumens DLP WXGA (1280x800) 3D White Model V281W View product	B Viewsonic PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black Model PJD2121 View product
Projector8 differ
Projector brightnessDiffers	2800 ANSI lumens	400 ANSI lumens
Projection technology	DLP	DLP
Projector native resolutionDiffers	WXGA (1280x800)	SVGA (800x600)
Contrast ratio (typical)Differs	3000:1	1800:1
Screen size compatibilityDiffers	1930.4 - 19354.8 mm (76 - 762")	889 - 3810 mm (35 - 150")
Projection distanceDiffers	1 - 11 m	0.7 - 3 m
Horizontal scan rangeDiffers	15 - 100 kHz	15 - 82 kHz
Vertical scan rangeDiffers	50 - 120 Hz	50 - 85 Hz
Matrix sizeDiffers	1.65 cm (0.65")	1.4 cm (0.55")
Native aspect ratioKnown for one	Unknown — not stated by the source	4:3
Supported aspect ratiosKnown for one	Unknown — not stated by the source	4:3, 16:9
Keystone correction, verticalKnown for one	Unknown — not stated by the source	- 30 - 30°
Light source2 differ
Light source type	Lamp	Lamp
Service life of light sourceDiffers	3000 h	2000 h
Service life of light source (economic mode)Known for one	5000 h	Unknown — not stated by the source
Lamp powerDiffers	225 W	50 W
Lens system1 differ
Focus	Manual	Manual
Zoom capabilityKnown for one	Yes	Unknown — not stated by the source
Zoom typeKnown for one	Manual	Unknown — not stated by the source
Throw ratioDiffers	1.55 - 1.7:1	1:1
Video3 differ
Analog signal format systemDiffers	NTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM	NTSC
Full HD	No	No
HD-ReadyKnown for one	Yes	Unknown — not stated by the source
3DDiffers	Yes	No
Supported graphics resolutionsDiffers	1280 x 800 (WXGA), 1920 x 1200 (WUXGA)	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 & interfaces5 differ
VGA (D-Sub) ports quantityDiffers	3	1
HDMI ports quantityDiffers	1	0
Component video (YPbPr/YCbCr) inDiffers	0	1
Composite video in	0	0
DVI port	No	No
S-Video inputs quantityDiffers	1	0
USB 2.0 ports quantity	0	0
Audio (L/R) inDiffers	1	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
DisplayPorts quantityKnown 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
Wi-Fi	No	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
Features2 differ
Noise levelDiffers	37 dB	31 dB
Noise level (economic mode)Known for one	33 dB	Unknown — not stated by the source
CertificationDiffers	CE, ErP, TUV GS	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	7 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
LED indicators	Yes	Yes
Market positioningKnown for one	Unknown — not stated by the source	Presentation
Displayidentical
Built-in displayKnown for one	No	Unknown — not stated by the source
Power2 differ
Power source	AC	AC
Power consumption (typical)Differs	268 W	90 W
Power consumption (PowerSave)Known for one	0.5 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
Weight & dimensions4 differ
WeightDiffers	2.5 kg	980 g
WidthDiffers	310 mm	205 mm
DepthDiffers	247 mm	120 mm
HeightDiffers	95 mm	65 mm
Package weightKnown for one	Unknown — not stated by the source	2.5 kg
Packaging content1 differ
Remote control included	Yes	Yes
Remote control type	IR	IR
Cables includedDiffers	AC, VGA	VGA
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guide	Yes	Yes
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Carrying caseKnown for one	Unknown — not stated by the source	Yes
Technical detailsidentical
Compliance certificates	RoHS	RoHS
Other features1 differ
Maximum digital resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
RS-232 portsDiffers	1	0
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 85%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 3048 m

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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