Amazon Kindle Fire HD 8.9 vs Karbonn KT21 Express
Amazon Kindle Fire HD 8.9
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 announced2012-92014-12
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Status2012-10
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Design
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SIMNoDual SIM (Mini-SIM)
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Height240 mm
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Width164 mm
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Thickness8.8 mm
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Weight567 g
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ColorsBlackBlack
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size8.9 inches2.8 inches
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Resolution1920 x 1200 pixels-
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Pixel density254 ppi-
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Display colors16777216-
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Hardware
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CPUDual-core 1.5 GHz ARM Cortex-A9
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ChipsetTI OMAP 4470-
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GPUPowerVR SGX544-
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Memory RAM1 GB-
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Internal storage16, 32 GB-
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSAndroid OS, v4.0 (customized)-
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Main camera
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Main camera1.3 MP3.15 MP
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Primary camera resolution1280 x 1024 pixels2048 x 1536 pixels
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Primary camera videonovideo
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Primary camera flash-LED 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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LoudspeakerYes, with stereo speakersYes
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NotificationsN/AVibration, 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 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Dual BandYes-
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USB2.0Yes
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BluetoothYesYes
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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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JavaNoYes
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Browser
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HTMLHTML5 (Amazon Silk)-
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Browser-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1000 mAh
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Battery removableNon-removable-
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Talk time--
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Standby time--
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