Karbonn Smart Tab 9 vs Micromax A28 Bolt
Karbonn Smart Tab 9
Micromax A28 Bolt
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Network
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2G networkGSM 900, 1800
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-122014-12
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Status2014-122014-12
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Design
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SIMNoDual SIM (Mini-SIM)
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Height116.9 mm
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Width62.5 mm
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Thickness12.5 mm
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Weight89 g
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ColorsBlack/WhiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size9.0 inches3.5 inches
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Resolution480 x 800 pixels320 x 480 pixels
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Pixel density104 ppi165 ppi
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Display colors-66560
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Hardware
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CPU1.2 GHz1 GHz ARM Cortex-A5
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GPU-Mali-300
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Memory RAM512 MB256 MB
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Internal storage2 GB512 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, v4.0.4 (Ice Cream Sandwich)Android OS, v2.3 (Gingerbread)
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Main camera
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Main camera1.3 MP
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Primary camera resolution1280 x 1024 pixels640 x 480 pixels
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Primary camera videovideo320p
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Selfie camera
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Secondary cameraNoVGA camera
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsN/AVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Radio recording-FM recording
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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USBYesYes
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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GPSNoNo
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4000 mAh1500 mAh
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Battery removableNon-removable-
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Talk time6 h4 h
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Standby time-260 h
