Allview A4 Duo vs Amazon Fire HDX 8.9 (2014)
Allview A4 Duo
Amazon Fire HDX 8.9 (2014)
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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HSPA speed-HSPA
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LTE speed-LTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-112014-9
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Status2013-112014-10
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Design
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SIMDual SIM (dual stand-by)Micro-SIM
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Height116.1 mm231 mm
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Width63.2 mm158 mm
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Thickness12 mm7.8 mm
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Weight110.6 g-
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Weight(Wi-Fi)-375 g
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Weight(4G/LTE)-389 g
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size3.5 inches8.9 inches
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Resolution320 x 480 pixels2560 x 1600 pixels
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Pixel density165 ppi339 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A7Quad-core 2.5 GHz Krait 450
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Chipset-Qualcomm Snapdragon 805
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GPUMali-400Adreno 420
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Memory RAM512 MB2 GB
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Internal storage-16, 32, 64 GB
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Memory card
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OS
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OSAndroid OS, v4.2 (Jelly Bean)Android OS, v4.4 (KitKat)
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Main camera
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Main camera2 MP8 MP
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Primary camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, touch focus
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Selfie camera
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Secondary cameraNo-
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Selfie camera video-720p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0v2.0(Slimport)
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Bluetoothv4.0Yes
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Email
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, gyro
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Browser
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HTMLYesHTML5 (Amazon Silk)
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1200 mAh-
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Battery removable-Non-removable
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Talk time8 h 20 min12 h
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Standby time200 h-