Celkon C770 Dj vs Karbonn A7 Star
Celkon C770 Dj
Karbonn A7 Star
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkYes-
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Speed YesYes-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-122014-12
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Status2014-12
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height118 mm113 mm
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Width52 mm66 mm
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Thickness12.9 mm10.4 mm
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Weight
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ColorsBlack/RedWhite/Black
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Display
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Display typeTFTCapacitive touchscreen
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Physical size2.4 inches4.5 inches
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Resolution240 x 320 pixels480 x 854 pixels
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Pixel density167 ppi218 ppi
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A9
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Chipset-Mediatek MT6517
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GPU-PowerVR SGX531u
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Internal storage-164 MB
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Memory cardmicroSDmicroSD
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Memory card max16 GB32 GB
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Main camera
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Main camera2 MP5 MP
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Primary camera resolution1600 x 1200 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoYes
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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 FMStereo FM radioFM radio
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Connectivity
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WLANWi-Fi
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USBYesYes
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BluetoothYesYes
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging Email-Email
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Messaging IM-IM
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JavaNoYes, via Java MIDP emulator
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Browser
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HTML-Yes
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1350 mAh1400 mAh
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Talk time9 h 10 min5 h
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Standby time350 h135 h
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OS
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OS-Android OS, v4.0 (Ice Cream Sandwich)
