Karbonn KT21 Express vs Samsung Ativ Tab P8510
Karbonn KT21 Express
Samsung Ativ Tab P8510
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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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Status2012-11
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Oficially announced2014-122012-10
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Design
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SIMDual SIM (Mini-SIM)No
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Height265.8 mm
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Width168.1 mm
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Thickness8.9 mm
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Weight570 g
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenPLS TFT capacitive touchscreen
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Physical size2.8 inches10.1 inches
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Resolution-1366 x 768 pixels
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Pixel density-155 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.5 GHz Krait
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Chipset-Qualcomm APQ8090A Snapdragon
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GPU-Adreno 305
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Memory RAM-2 GB
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Internal storage-32, 64 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB64 GB
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Main camera
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Main camera3.15 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 pixels
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Primary camera videovideo720p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Selfie camera
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Secondary cameraNo-
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Selfie camera1.9 MP
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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-No
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Radio FMFM radio-
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Radio recordingFM recording-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBYes2.0
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USB host-Yes
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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GPSNoYes, with S-GPS
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GLONASS-Yes
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Features
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Messaging SMSSMS-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Email
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JavaYesNo
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Browser
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HTML-HTML5
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh8200 mAh
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Battery removable-Non-removable
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Talk time-12 h
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Standby time--
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OS
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OS-Microsoft Windows RT
