Amazon Kindle Fire HD 8.9 vs Karbonn A7 Star
Amazon Kindle Fire HD 8.9
Karbonn A7 Star
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Network
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2G networkGSM 900, 1800, 1900
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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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Status2012-102014-12
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Design
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SIMNoDual SIM
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Height240 mm113 mm
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Width164 mm66 mm
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Thickness8.8 mm10.4 mm
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Weight567 g
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ColorsBlackWhite/Black
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Display
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Display typeIPS LCD capacitive touchscreenCapacitive touchscreen
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Physical size8.9 inches4.5 inches
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Resolution1920 x 1200 pixels480 x 854 pixels
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Pixel density254 ppi218 ppi
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Display colors16777216-
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Hardware
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CPUDual-core 1.5 GHz ARM Cortex-A9Dual-core 1 GHz ARM Cortex-A9
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ChipsetTI OMAP 4470Mediatek MT6517
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GPUPowerVR SGX544PowerVR SGX531u
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Memory RAM1 GB-
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Internal storage16, 32 GB164 MB
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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)Android OS, v4.0 (Ice Cream Sandwich)
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Main camera
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Main camera1.3 MP5 MP
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Primary camera resolution1280 x 1024 pixels2592 x 1944 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 cameraNoYes
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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, MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi
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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(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLHTML5 (Amazon Silk)Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1400 mAh
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Battery removableNon-removable-
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Talk time-5 h
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Standby time-135 h
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