Karbonn A37 vs Samsung C6712 Star II DUOS
Karbonn A37
Samsung C6712 Star II DUOS
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122011-4
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Status2014-122011-5
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Design
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SIMDual SIMDual SIM (Mini-SIM, dual stand-by)
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Height197 mm109.5 mm
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Width124 mm56 mm
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Thickness12.3 mm12.2 mm
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Weight335 g100 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 size7.0 inches3.2 inches
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Resolution480 x 800 pixels240 x 400 pixels
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Pixel density133 ppi146 ppi
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Display colors-262144
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Hardware
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CPUDual-core 1 GHz
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Memory RAM512 MB-
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Internal storage4 GB30 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB16 GB
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OS
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OSAndroid OS, v4.1 (Ice Cream Sandwich)-
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Main camera
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Main camera2 MP3.15 MP
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Primary camera resolution1600 x 1200 pixels2048 x 1536 pixels
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Primary camera videovideo320p@15fps
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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, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio with RDS
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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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WLAN WiFi HotspotYes-
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USBYesmicroUSB 2.0
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BluetoothYesv3.0
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Bluetooth A2DP-Yes
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GPSYes, with A-GPSNo
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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 emulatorYes
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Java MIDP-MIDP 2.0
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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 capacity3000 mAh1200 mAh
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Talk time8 h10 h
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Standby time240 h550 h
