Amazon Kindle Fire HDX vs Lenovo A3900
Amazon Kindle Fire HDX
Lenovo A3900
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA 900, 2100
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4G networkLTE-
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HSPA+ speedHSPA+-
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LTE speedLTELTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-92015-5
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Status2013-102015-6
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Design
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SIMMicro-SIMDual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
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Height186 mm142.8 mm
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Width128 mm71.8 mm
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Thickness9 mm9 mm
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Weight303 g157 g
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ColorsBlackBlack, Pearl White, Silver
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7.0 inches5.0 inches
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Resolution1200 x 1920 pixels480 x 854 pixels
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Pixel density323 ppi196 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 2.2 GHz Krait 400Octa-core 1.2 GHz ARM Cortex-A53
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ChipsetQualcomm Snapdragon 800Mediatek MT6752
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GPUAdreno 330Mali-T760MP2
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Memory RAM2 GB512 MB
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Internal storage16, 32, 64 GB4 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.x (Jelly Bean)Android OS, v4.4.2 (KitKat)
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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 video720pvideo
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-Yes
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Selfie camera
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Secondary cameraNo-
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Selfie camera2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNo-
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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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USBmicroUSB 2.0microUSB 2.0
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USB host-Yes
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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GPSYes, with A-GPSYes, with A-GPS
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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 EmailPush Mail
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JavaNoNo
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Sensors-Accelerometer, proximity
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Browser
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HTMLHTML5 (Amazon Silk)HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity-2300 mAh
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Battery removableNon-removable-
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Talk time11 h-
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Standby time--