Karbonn A3 vs Samsung Comment 2 R390C
Karbonn A3
Samsung Comment 2 R390C
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Network
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2G networkGSM 850, 1900CDMA 850, 1700, 1900, 2100
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-32012-10
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Status2013-32012-10
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height113 mm110 mm
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Width61 mm61 mm
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Thickness13.5 mm10.9 mm
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Weight90 g95 g
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Keyboard-QWERTY
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ColorsWhite/BlackBlack
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size4.0 inches2.4 inches
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Resolution320 x 480 pixels320 x 240 pixels
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Pixel density144 ppi167 ppi
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Display colors16777216262144
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Hardware
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CPU1 GHz
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Memory ROM512 MB-
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Memory RAM256 MB-
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Internal storage-256 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 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera videovideo176x144
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Selfie camera
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Secondary cameraVGA cameraNo
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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, MP3 ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBYesmicroUSB 2.0
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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 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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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorNo
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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 capacity1400 mAh1000 mAh
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Talk time4 h 20 min4 h
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Standby time250 h264 h
