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Product comparison · 2 data projectors

Acer Portable LED K138STi Short throw projector 800 ANSI lumens DLP WXGA (1280x800) White vs LG PH550G data projector Standard throw projector 550 ANSI lumens DLP 720p (1280x720) 3D White

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  • 40specifications compared
  • 20differ
  • 20identical
  • 56known for one product only

Key differences

  • Projector brightness
    • 800 ANSI lumens
    • 550 ANSI lumens
  • Projector native resolution
    • WXGA (1280x800)
    • 720p (1280x720)
  • Native aspect ratio
    • 16:10
    • 16:9
  • Supported aspect ratios
    • 4:3, 16:10, 16:9
    • 4:3
  • Service life of light source
    • 20000 h
    • 30000 h
  • Composite video in
    • 0
    • 1
  • Audio (L/R) in
    • 0
    • 1
  • Ethernet LAN
    • Yes
    • No

Side by side

Differences highlightedShow differences only
96 specifications
A

Acer

Portable LED K138STi Short throw projector 800 ANSI lumens DLP WXGA (1280x800) White

Model K138STi

View product
B

LG

PH550G data projector Standard throw projector 550 ANSI lumens DLP 720p (1280x720) 3D White

Model PH550G

View product
Projector4 differ
Projector brightnessDiffers800 ANSI lumens550 ANSI lumens
Projection technologyDLPDLP
Projector native resolutionDiffersWXGA (1280x800)720p (1280x720)
Contrast ratio (typical)100000:1100000:1
Native aspect ratioDiffers16:1016:9
Supported aspect ratiosDiffers4:3, 16:10, 16:94:3
Screen size compatibility635 - 2540 mm (25 - 100")635 - 2540 mm (25 - 100")
Projection distanceKnown for one0.4 - 1.7 m
Number of coloursKnown for one1.073 billion colours
Projector brightness (economic mode)Known for one640 ANSI lumens
UniformityKnown for one90%
Horizontal synchronization (max)Known for one100 kHz
Horizontal synchronization (min)Known for one30 kHz
Keystone correction, verticalKnown for one-40 - 40°
Vertical synchronization (max)Known for one0.12 kHz
Vertical synchronization (min)Known for one0.05 kHz
Digital gamma correctionKnown for oneYes
Light source1 differ
Light source typeLEDLED
Service life of light sourceDiffers20000 h30000 h
Service life of light source (economic mode)Known for one30000 h
Lamps quantity1 lamp(s)1 lamp(s)
Lens systemidentical
FocusManualManual
Zoom ratioKnown for one1.7:1
Digital zoomKnown for one1.7x
Optical zoomKnown for one1x
Throw ratioKnown for one0.8:1
Videoidentical
HD-ReadyYesYes
3D ReadyYesYes
Supported graphics resolutionsKnown for one1280 x 800 (WXGA), 1920 x 1080 (HD 1080)
Full HDKnown for oneNo
3DKnown for oneYes
Supported video modesKnown for one480i, 480p, 576i, 576p, 720p, 1080i, 1080p
Ports & interfaces2 differ
VGA (D-Sub) ports quantity11
HDMI ports quantity11
Component video (YPbPr/YCbCr) in00
Composite video inDiffers01
DVI portNoNo
S-Video inputs quantity00
USB 2.0 ports quantity11
Audio (L/R) inDiffers01
PC Audio inKnown for oneYes
PC Audio outKnown for oneYes
PC in (D-Sub)Known for oneYes
AC (power) inKnown for oneYes
Audio (L/R) outKnown for one1
Mobile High-Definition Link (MHL)Known for oneYes
DC-in jackKnown for oneYes
Network2 differ
Ethernet LANDiffersYesNo
Ethernet LAN (RJ-45) portsDiffers10
Wi-FiKnown for oneNo
BluetoothKnown for oneYes
Storageidentical
Card reader integratedKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash)
Featuresidentical
Noise levelKnown for one33 dB
Noise level (economic mode)Known for one29 dB
On Screen Display (OSD)Known for oneYes
On Screen Display (OSD) languagesKnown for oneArabic, Bulgarian, Simplified Chinese, Czech, German, English, Spanish, French, Hindi, Hungarian, Indonesian, Korean, Polish, Portuguese, Russian, Slovenian, Swedish, Thai, Turkish
Plug and PlayKnown for oneYes
Noise reductionKnown for oneYes
Multimedia2 differ
Built-in speaker(s)DiffersNoYes
Number of built-in speakers22
RMS rated powerDiffers3 W2 W
Video formats supportedKnown for oneH.264, MPEG1, MPEG2, MPEG4, VC-1, XVID
Audio formats supportedKnown for oneAAC, MP1, MP2, MP3, PCM, WAV, WMA
Design2 differ
Product typeDiffersShort throw projectorStandard throw projector
Market positioningPortablePortable
Product colourWhiteWhite
PlacementDiffersCeilingDesktop
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
LED indicatorsKnown for oneYes
Displayidentical
Built-in displayNoNo
Power1 differ
Power sourceAC/BatteryAC/Battery
Power consumption (typical)Known for one80 W
Power consumption (economy mode)Known for one38 W
AC input voltage100 - 240 V100 - 240 V
Battery life (max)Differs2.6 h2.5 h
Power consumption (standby)Known for one0.5 W
Power consumption (max)Known for one60 W
AC input frequencyKnown for one50 - 60 Hz
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityKnown for one400 mAh
Operational conditions1 differ
Operating temperature (T-T)Differs5 - 40 °C0 - 40 °C
Operating relative humidity (H-H)Known for one0 - 80%
Weight & dimensions4 differ
WeightDiffers1 kg650 g
WidthDiffers240 mm174 mm
DepthDiffers147 mm109.5 mm
HeightDiffers59 mm44 mm
Packaging content1 differ
Remote control includedDiffersNoYes
AC adapter includedKnown for oneYes
Carrying caseKnown for oneYes
ManualKnown for oneYes
Quick start guideKnown for oneYes
Warranty cardKnown for oneYes
Logistics dataidentical
Harmonized System (HS) codeKnown for one85286200
Other featuresidentical
RS-232 portsKnown for one0

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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