BLU Diesel 3G vs Karbonn A7 Star
BLU Diesel 3G
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 networkUMTS 850, 2100-
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-22014-12
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Status20112014-12
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Design
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SIMMini-SIMDual SIM
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Height107.5 mm113 mm
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Width45 mm66 mm
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Thickness13.3 mm10.4 mm
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Weight90 g
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ColorsBlackWhite/Black
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Display
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Display typeTFTCapacitive touchscreen
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Physical size1.8 inches4.5 inches
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Resolution-480 x 854 pixels
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Pixel density-218 ppi
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Display colors66560-
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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 storage64 MB164 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 camera5 MP
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Primary camera resolution640 x 480 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 jackNoYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Connectivity
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WLANWi-Fi
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USBminiUSB 2.0Yes
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging EMSEMS-
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.1-
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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 capacity1000 mAh1400 mAh
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Talk time-5 h
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Talk time 2G3 h 20 min-
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Talk time 3G2 h 45 min-
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Standby time-135 h
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Standby time 2G350 h-
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Standby time 3G300 h-
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OS
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OS-Android OS, v4.0 (Ice Cream Sandwich)