Product comparison · 2 data projectors

NEC V311X Standard throw projector 3100 ANSI lumens DLP 1080p (1920x1080) 3D White vs Viewsonic PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black

Add a product
  • 49specifications compared
  • 36differ
  • 13identical
  • 48known for one product only

Key differences

  • Projector brightness
    • V311X Standard throw projector 3100 ANSI lumens DLP 1080p (1920x1080) 3D White:3100 ANSI lumens
    • PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:400 ANSI lumens
  • Projector native resolution
    • V311X Standard throw projector 3100 ANSI lumens DLP 1080p (1920x1080) 3D White:1080p (1920x1080)
    • PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:SVGA (800x600)
  • Contrast ratio (typical)
    • V311X Standard throw projector 3100 ANSI lumens DLP 1080p (1920x1080) 3D White:3000:1
    • PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:1800:1
  • Projection distance
    • V311X Standard throw projector 3100 ANSI lumens DLP 1080p (1920x1080) 3D White:1.2 - 13 m
    • PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:0.7 - 3 m
  • Horizontal scan range
    • V311X Standard throw projector 3100 ANSI lumens DLP 1080p (1920x1080) 3D White:15 - 100 kHz
    • PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:15 - 82 kHz
  • Vertical scan range
    • V311X Standard throw projector 3100 ANSI lumens DLP 1080p (1920x1080) 3D White:50 - 120 Hz
    • PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:50 - 85 Hz
  • Service life of light source
    • V311X Standard throw projector 3100 ANSI lumens DLP 1080p (1920x1080) 3D White:3000 h
    • PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:2000 h
  • Lamp power
    • V311X Standard throw projector 3100 ANSI lumens DLP 1080p (1920x1080) 3D White:225 W
    • PJD2121 data projector Portable projector 400 ANSI lumens DLP SVGA (800x600) Black:50 W

Side by side

Differences highlightedShow differences only (on)
Comparison of V311X, PJD2121
97 specifications
Projector6 differ
Projector brightnessDiffers3100 ANSI lumens400 ANSI lumens
Projector native resolutionDiffers1080p (1920x1080)SVGA (800x600)
Contrast ratio (typical)Differs3000:11800:1
Projection distanceDiffers1.2 - 13 m0.7 - 3 m
Horizontal scan rangeDiffers15 - 100 kHz15 - 82 kHz
Vertical scan rangeDiffers50 - 120 Hz50 - 85 Hz
Horizontal synchronization (max)Known for one100 kHzUnknown — not stated by the source
Horizontal synchronization (min)Known for one15 kHzUnknown — not stated by the source
Matrix typeKnown for oneDMDUnknown — not stated by the source
Vertical synchronization (max)Known for one120 kHzUnknown — not stated by the source
Vertical synchronization (min)Known for one50 kHzUnknown — not stated by the source
Native aspect ratioKnown for oneUnknown — not stated by the source4:3
Supported aspect ratiosKnown for oneUnknown — not stated by the source4:3, 16:9
Screen size compatibilityKnown for oneUnknown — not stated by the source889 - 3810 mm (35 - 150")
Keystone correction, verticalKnown for oneUnknown — not stated by the source- 30 - 30°
Light source2 differ
Service life of light sourceDiffers3000 h2000 h
Service life of light source (economic mode)Known for one5000 hUnknown — not stated by the source
Lamp typeKnown for oneAC HIDUnknown — not stated by the source
Lamp powerDiffers225 W50 W
Lamps quantityKnown for one1 lamp(s)Unknown — not stated by the source
Lens system1 differ
Zoom capabilityKnown for oneYesUnknown — not stated by the source
Zoom typeKnown for oneManualUnknown — not stated by the source
Throw ratioDiffers1.95 - 2.15:11:1
Video5 differ
Analog signal format systemDiffersNTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAMNTSC
Full HDDiffersYesNo
HD-ReadyKnown for oneYesUnknown — not stated by the source
3DDiffersYesNo
3D ReadyKnown for oneYesUnknown — not stated by the source
Supported graphics resolutionsDiffers1024 x 768 (XGA), 1920 x 1080 (HD 1080)1280 x 1024 (SXGA), 640 x 480 (VGA), 800 x 600 (SVGA)
Supported video modesDiffers1080i, 480p, 576i, 576p, 720p1080i, 480i, 480p, 576i, 576p, 720p
Ports & interfaces6 differ
VGA (D-Sub) ports quantityDiffers31
HDMI ports quantityDiffers10
Component video (YPbPr/YCbCr) inDiffers01
Composite video inDiffers10
S-Video inputs quantityDiffers20
Audio (L/R) inDiffers10
Audio (L/R) outKnown for one1Unknown — not stated by the source
Serial interface typeKnown for oneRS-232Unknown — not stated by the source
AC (power) inKnown for oneYesUnknown — not stated by the source
DisplayPorts quantityKnown for oneUnknown — not stated by the source0
DC-in jackKnown for oneUnknown — not stated by the sourceYes
Network2 differ
Ethernet LANDiffersYesNo
Ethernet LAN (RJ-45) portsDiffers10
BluetoothKnown for oneUnknown — not stated by the sourceNo
Storageidentical
Optical disc player typeKnown for oneUnknown — not stated by the sourceNot included
Features2 differ
Noise levelDiffers37 dB31 dB
Noise level (economic mode)Known for one33 dBUnknown — not stated by the source
HDCPKnown for oneNoUnknown — not stated by the source
CertificationDiffersUL, FCC, CSA, C-UL, NOMUL/cUL, FCC-B, CE, CB, CCC, NOM, ICES 003, IRAM, TUV/GS, GOST-R, HYGIENIC, SASO, UKrSEPRO
Multimediaidentical
Built-in speaker(s)Known for oneYesUnknown — not stated by the source
Number of built-in speakersKnown for one1Unknown — not stated by the source
RMS rated powerKnown for one7 WUnknown — not stated by the source
TimeshiftKnown for oneUnknown — not stated by the sourceNo
Design2 differ
Product typeDiffersStandard throw projectorPortable projector
Product colourDiffersWhiteBlack
PlacementKnown for oneDesktopUnknown — not stated by the source
Cable lock slotKnown for oneYesUnknown — not stated by the source
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Market positioningKnown for oneUnknown — not stated by the sourcePresentation
LED indicatorsKnown for oneUnknown — not stated by the sourceYes
Displayidentical
Built-in displayKnown for oneNoUnknown — not stated by the source
Power2 differ
Power consumption (typical)Differs210 W90 W
Power consumption (standby)Known for one4 WUnknown — not stated by the source
Power consumption (max)Known for one268 WUnknown — not stated by the source
Power consumption (PowerSave)Known for one0.4 WUnknown — not stated by the source
AC input voltageDiffers100 - 240 V90 - 264 V
Operational conditions2 differ
Operating temperature (T-T)Differs5 - 40 °C0 - 40 °C
Storage temperature (T-T)Known for one-20 - 50 °CUnknown — not stated by the source
Operating relative humidity (H-H)Differs20 - 80%10 - 85%
Operating altitudeKnown for oneUnknown — not stated by the source0 - 3048 m
Weight & dimensions4 differ
WeightDiffers2.5 kg980 g
WidthDiffers310 mm205 mm
DepthDiffers95 mm120 mm
HeightDiffers247 mm65 mm
Package weightKnown for oneUnknown — not stated by the source2.5 kg
Packaging content1 differ
Batteries includedKnown for oneYesUnknown — not stated by the source
Cables includedDiffersAC, VGAVGA
ManualKnown for oneYesUnknown — not stated by the source
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
Carrying caseKnown for oneUnknown — not stated by the sourceYes
Other features1 differ
Maximum analog resolutionKnown for one1024 x 768 pixelsUnknown — not stated by the source
Maximum digital resolutionKnown for one1920 x 1080 pixelsUnknown — not stated by the source
RS-232 portsDiffers10
Technical detailsidentical
Compliance certificatesKnown for oneUnknown — not stated by the sourceRoHS

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.

More data projector comparisons

All data projector comparisons