Alcatel Pixi 7 vs Karbonn KT21 Express
Alcatel Pixi 7
Karbonn KT21 Express
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Network
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2G networkGSM
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-22014-12
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Status2014-7
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Design
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SIMNoDual SIM (Mini-SIM)
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Height
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Width
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Thickness
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Weight285 g
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ColorsBluish Black, Gun Gray/ Color SkinsBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size7.0 inches2.8 inches
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Resolution540 x 960 pixels-
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Pixel density157 ppi-
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Hardware
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CPUDual-core 1.2 GHz
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ChipsetMediatek MT8117-
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Memory RAM512 MB-
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Internal storage4 GB-
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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, v4.4.2 (KitKat)-
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Main camera
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Main camera3.15 MP
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Primary camera resolution640 x 480 pixels2048 x 1536 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 cameraVGA cameraNo
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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, Polyphonic(64), MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Radio recording-FM recording
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Connectivity
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WLANWi-Fi
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USBmicroUSB 2.0Yes
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Bluetooth-Yes
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GPSNoNo
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Features
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Messaging SMS-SMS
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaYes, via Java MIDP emulatorYes
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Browser
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HTMLYes-
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Browser-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2840 mAh1000 mAh
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Talk time4 h-
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Standby time--