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Product comparison · 2 data projectors

Epson PowerLite 1705c Multimedia Projector vs Epson PowerLite 7900NL Multimedia Projector

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  • 31specifications compared
  • 19differ
  • 12identical
  • 18known for one product only

Key differences

  • Projector brightness
    • 2200 ANSI lumens
    • 4000 ANSI lumens
  • Contrast ratio (typical)
    • 400:1
    • 700:1
  • Uniformity
    • 83%
    • 90%
  • Horizontal scan range
    • 15 - 92 kHz
    • 15 - 107 kHz
  • Vertical scan range
    • 50 - 85 Hz
    • 50 - 120 Hz
  • Keystone correction, vertical
    • -30 - 30°
    • -40 - 40°
  • Lamp power
    • 170 W
    • 250 W
  • Focal length range
    • 23.7 - 28.5 mm
    • 28 - 37 mm

Side by side

Differences highlightedShow differences only
49 specifications
A

Epson

PowerLite 1705c Multimedia ProjectorView product
B

Epson

PowerLite 7900NL Multimedia ProjectorView product
Projector6 differ
Projector brightnessDiffers2200 ANSI lumens4000 ANSI lumens
Projection technologyLCDLCD
Projector native resolutionXGA (1024x768)XGA (1024x768)
Contrast ratio (typical)Differs400:1700:1
Screen size compatibility762 - 7620 mm (30 - 300")762 - 7620 mm (30 - 300")
Projection distanceKnown for one6
Number of colours16.78 million colours16.78 million colours
UniformityDiffers83%90%
Horizontal scan rangeDiffers15 - 92 kHz15 - 107 kHz
Vertical scan rangeDiffers50 - 85 Hz50 - 120 Hz
Keystone correction, verticalDiffers-30 - 30°-40 - 40°
Keystone correction, horizontalKnown for one20°
Light source1 differ
Light source typeLampLamp
Service life of light source2000 h2000 h
Service life of light source (economic mode)3000 h3000 h
Lamp typeUHEUHE
Lamp powerDiffers170 W250 W
Lens system1 differ
FocusKnown for oneManual
Focal length rangeDiffers23.7 - 28.5 mm28 - 37 mm
Videoidentical
HD-ReadyKnown for oneYes
Ports & interfacesidentical
VGA (D-Sub) ports quantity11
Component video (YPbPr/YCbCr) inKnown for one1
Composite video in11
S-Video inputs quantityKnown for one1
PC Audio inKnown for oneYes
DVI portKnown for oneYes
USB 2.0 ports quantityKnown for one1
Headphone outputsKnown for one1
Serial interface typeKnown for oneRS-232
Features2 differ
Noise levelDiffers40 dB36 dB
Dot clock scanning frequencyDiffers162 MHz230 MHz
Air filterKnown for oneYes
Multimedia1 differ
Number of built-in speakers11
RMS rated powerDiffers1 W5 W
Designidentical
Market positioningKnown for onePortable
Power2 differ
Power consumption (typical)Differs244 W350 W
Power consumption (standby)Differs4 W1.5 W
Operational conditionsidentical
Operating temperature (T-T)5 - 35 °C5 - 35 °C
Weight & dimensions1 differ
WeightDiffers1.68 kg5.6 kg
Other features5 differ
Aspect ratioKnown for one4:3
Dimensions (WxDxH)Differs272 x 193 x 79 mm325 x 419 x 117 mm
InterfaceDiffersUSB 2.0, 802.11 a/b/g5-BNC x 1, USB
Lens systemDiffersF=1.6 - 1.77F=1.7 - 2.3
Power requirementsDiffers100 - 240V ± 10%, 50/60 Hz100-120/200-240V +/-10%, 50/60Hz AC
Video inDiffersNTSC, NTSC4.43, PAL, M-PAL, N-PAL, PAL60, SECAM HDTV: 480i, 480p, 720p, 1080iNTSC/NTSC4.43/PAL/M-PAL/N-PAL/PAL60/SECAM, HDTV: 480i, 480p, 720p, 1080i
Audio inputKnown for oneRCA x 2
RS-232 portsKnown for one1
Networkidentical
Ethernet LAN (RJ-45) portsKnown for one1
Packaging contentidentical
Remote control includedKnown for oneYes

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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