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Product comparison · 2 data projectors

3M X21 2700 ANSI lumens LCD XGA (1024x768) White vs 3M X31 2700 ANSI lumens LCD XGA (1024x768) White

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  • 75specifications compared
  • 19differ
  • 56identical
  • 11known for one product only

Key differences

  • Contrast ratio (typical)
    • 500:1
    • 2000:1
  • Projection distance
    • 1.8 - 2.2 m
    • 1.8 - 2.1 m
  • Projector brightness (economic mode)
    • 1900 ANSI lumens
    • 2000 ANSI lumens
  • Service life of light source (economic mode)
    • 4000 h
    • 6000 h
  • Lamp power
    • 200 W
    • 210 W
  • VGA (D-Sub) ports quantity
    • 1
    • 3
  • HDMI ports quantity
    • 0
    • 1
  • Component video (YPbPr/YCbCr) in
    • 1
    • 3

Side by side

Differences highlightedShow differences only
86 specifications
A

3M

X21 2700 ANSI lumens LCD XGA (1024x768) White

Model X21

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B

3M

X31 2700 ANSI lumens LCD XGA (1024x768) White

Model X31

View product
Projector3 differ
Projector brightness2700 ANSI lumens2700 ANSI lumens
Projection technologyLCDLCD
Projector native resolutionXGA (1024x768)XGA (1024x768)
Contrast ratio (typical)Differs500:12000:1
Screen size compatibility762 - 7620 mm (30 - 300")762 - 7620 mm (30 - 300")
Projection distanceDiffers1.8 - 2.2 m1.8 - 2.1 m
Number of colours16.78 million colours16.78 million colours
Projector brightness (economic mode)Differs1900 ANSI lumens2000 ANSI lumens
Horizontal scan range31.5 - 106 kHz31.5 - 106 kHz
Vertical scan range56 - 120 Hz56 - 120 Hz
Keystone correction, vertical±30°±30°
Matrix size1.6 cm (0.63")1.6 cm (0.63")
Matrix type3-panel (p-Si TFT active)3-panel (p-Si TFT active)
Light source2 differ
Light source typeLampLamp
Service life of light source3000 h3000 h
Service life of light source (economic mode)Differs4000 h6000 h
Lamp typeUHBUHB
Lamp powerDiffers200 W210 W
Lamp power (economic mode)140 W140 W
Lamps quantity1 lamp(s)1 lamp(s)
Lens systemidentical
FocusManualManual
Focal length range19 - 23 mm19 - 23 mm
Zoom capabilityYesYes
Zoom typeManualManual
Zoom ratio1.2:11.2:1
Optical zoom1.2x1.2x
Throw ratio1.5 - 1.8:11.5 - 1.8:1
Magnification4x4x
Videoidentical
Analog signal format systemNTSC, NTSC 4.43, PAL, PAL M, PAL N, SECAMNTSC, NTSC 4.43, PAL, PAL M, PAL N, SECAM
Full HDNoNo
HD-ReadyYesYes
3DNoNo
Supported graphics resolutions1024 x 768 (XGA), 1600 x 1200 (UXGA)1024 x 768 (XGA), 1600 x 1200 (UXGA)
Supported video modes1080i, 480i, 480p, 576i, 720p1080i, 480i, 480p, 576i, 720p
Ports & interfaces5 differ
VGA (D-Sub) ports quantityDiffers13
HDMI ports quantityDiffers01
Component video (YPbPr/YCbCr) inDiffers13
Composite video in11
DVI portNoNo
S-Video inputs quantity11
USB 2.0 ports quantityDiffers12
Headphone outputsKnown for one1
Microphone inYesYes
Serial interface typeRS-232RS-232
USB connector typeDiffersUSB Type-BUSB Type-A, USB Type-B
AC (power) inKnown for oneYes
Audio (L/R) inKnown for one3
Audio (L/R) outKnown for one1
Network2 differ
Ethernet LANDiffersNoYes
Ethernet LAN (RJ-45) portsDiffers01
Wi-FiNoNo
Featuresidentical
Noise level37 dB37 dB
Noise level (economic mode)30 dB30 dB
CertificationUL, cUL, FCC Part 15 Subpart B, Class B, EN60950-1, CEUL, cUL, FCC Part 15 Subpart B, Class B, EN60950-1, CE
Multimedia1 differ
Built-in speaker(s)YesYes
Number of built-in speakers11
RMS rated powerDiffers1 W16 W
TV tuner integratedKnown for oneNo
Designidentical
Product colourWhiteWhite
Power1 differ
Power consumption (typical)Differs290 W330 W
Power consumption (standby)1 W1 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Auto power offYesYes
Supplier featuresidentical
Battery typeAAAA
Operational conditionsidentical
Operating temperature (T-T)5 - 35 °C5 - 35 °C
Storage temperature (T-T)-20 - 60 °C-20 - 60 °C
Operating altitudeKnown for one0 - 1829 m
Weight & dimensions4 differ
WeightDiffers2.2 kg3.6 kg
WidthDiffers306 mm317 mm
DepthDiffers221 mm288 mm
HeightDiffers77 mm98 mm
Packaging contentidentical
Remote control includedYesYes
Batteries includedYesYes
Cables includedVGAVGA
Other features1 differ
Aspect ratio4:3, 14:9, 16:94:3, 14:9, 16:9
Audio inputKnown for one2
Audio outputKnown for one2
Connectivity technologyWiredWired
Dimensions (WxDxH)Differs306 x 221 x 77 mm317 x 288 x 98 mm
Lens systemF = 1.67 - 1.91F = 1.67 - 1.91
Maximum analog resolution1600 x 1200 pixels1600 x 1200 pixels
RS-232 ports11
Digital keystone correctionKnown for oneYes
Maximum operating altitudeKnown for one1829 m
Networking featuresKnown for one10 BASE-T/100 BASE-TX

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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