Karbonn A4 vs Plum Geo
Karbonn A4
Plum Geo
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Network
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2G networkGSM 850, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100-
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2013-32012-8
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Status2013-32012-9
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height124.8 mm106.9 mm
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Width66 mm58.4 mm
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Thickness9.5 mm15.5 mm
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Weight75 g90 g
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ColorsWhite/BlackBlack, Silver, White
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Display
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Display typeTFT capacitive touchscreenTFT resistive touchscreen
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Physical size4.0 inches2.6 inches
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Resolution320 x 480 pixels240 x 320 pixels
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Pixel density144 ppi154 ppi
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Display colors262144-
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Hardware
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Memory ROM-64 MB
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Internal storage256, 512 MB-
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Memory RAM-32 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v2.3.6 (Gingerbread)-
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Main camera
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Main camera3.15 MP1.3 MP
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Primary camera resolution2048 x 1536 pixels1280 x 1024 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraYesNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration, Polyphonic(64), MP3, WAV ringtones
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Multimedia
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Radio FMFM radioStereo FM radio
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Connectivity
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WLANWi-Fi
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WLAN WiFi HotspotYes-
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USBYesYes
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BluetoothYesv2.0
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLYes-
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Browser-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh1050 mAh
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Talk time4 h 20 min6 h
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Standby time250 h350 h
