Karbonn KT21 Express vs Samsung E1050
Karbonn KT21 Express
Samsung E1050
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Network
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2G networkGSMGSM 900, 1800
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-122011
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Status2011
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height107.5 mm
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Width45.4 mm
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Thickness13.4 mm
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Weight67.3 g
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ColorsBlackBlack, White
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Display
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Display typeTFT capacitive touchscreenCSTN
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Physical size2.8 inches1.43 inches
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Resolution-128 x 128 pixels
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Pixel density-127 ppi
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Display colors-66560
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Hardware
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Memory cardmicroSD
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Memory card max32 GB-
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Main camera
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Main camera3.15 MP
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Primary camera resolution2048 x 1536 pixels-
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Primary camera videovideo-
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNo-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic(64), MP3 ringtonesVibration; MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Radio recordingFM recording-
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Connectivity
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WLAN
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USBYesYes
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BluetoothYes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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JavaYesNo
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Browser
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BrowserYesNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh800 mAh
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Talk time-8 h 30 min
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Standby time-615 h
