Karbonn A7 Star vs Philips X331
Karbonn A7 Star
Philips X331
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2014-122012-6
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Oficially announced2014-122012-6
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Design
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SIMDual SIMDual SIM (Mini-SIM)
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Height113 mm108 mm
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Width66 mm57.5 mm
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Thickness10.4 mm14.4 mm
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Weight107.7 g
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ColorsWhite/BlackBlack
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Display
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Display typeCapacitive touchscreenTFT resistive touchscreen
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Physical size4.5 inches2.8 inches
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Resolution480 x 854 pixels240 x 320 pixels
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Pixel density218 ppi143 ppi
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Display colors-262144
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A9
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ChipsetMediatek MT6517-
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GPUPowerVR SGX531u-
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Internal storage164 MB44 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 (Ice Cream Sandwich)-
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Main camera
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Main camera5 MP2 MP
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Primary camera resolution2592 x 1944 pixels1600 x 1200 pixels
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Primary camera videovideoQCIF
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Primary camera flashLED flash-
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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, MP3, WAV ringtonesVibration; MP3 ringtones
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Multimedia
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Radio FMFM radioStereo FM radio with RDS
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g
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USBYes2.0
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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(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh1530 mAh
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Talk time5 h14 h
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Standby time135 h1200 h