Karbonn KT21 Express vs Samsung Galaxy Pocket Duos S5302
Karbonn KT21 Express
Samsung Galaxy Pocket Duos S5302
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Network
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2G networkGSMGSM 850, 900, 1800, 1900
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3G network-HSDPA 900, 2100
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HSDPA speed-HSDPA, 3.6 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122012-8
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Status2012-9
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM, dual stand-by)
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Height103.9 mm
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Width57.9 mm
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Thickness13 mm
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Weight103 g
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ColorsBlackBlack, White
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size2.8 inches2.8 inches
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Resolution-240 x 320 pixels
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Pixel density-143 ppi
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Display colors-262144
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Hardware
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CPU832 MHz ARM 11
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Internal storage-3 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera videovideo320p@15fps
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesYes
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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 radioStereo FM radio with RDS
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Radio recordingFM recording-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBYesmicroUSB 2.0
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BluetoothYesv3.0
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Bluetooth A2DP-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Mail
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JavaYesYes, 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 capacity1000 mAh1200 mAh
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Talk time--
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Talk time 2G-15 h 20 min
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Talk time 3G-6 h
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Standby time--
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Standby time 2G-410 h
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Standby time 3G-370 h
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OS
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OS-Android OS, v2.3 (Gingerbread)
