Amazon Fire HDX 8.9 (2014) vs Oppo A31 (2015)
Amazon Fire HDX 8.9 (2014)
Oppo A31 (2015)
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPATD-SCDMA 1880, 2010
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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 announced2014-92015-4
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Status2014-102015
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Design
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SIMMicro-SIMDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
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Height231 mm131.9 mm
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Width158 mm65.5 mm
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Thickness7.8 mm8 mm
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Weight-135 g
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Weight(Wi-Fi)375 g-
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Weight(4G/LTE)389 g-
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ColorsBlackBlue, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size8.9 inches4.5 inches
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Resolution2560 x 1600 pixels480 x 854 pixels
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Pixel density339 ppi218 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 2.5 GHz Krait 450Quad-core ARM Cortex-A53
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ChipsetQualcomm Snapdragon 805Qualcomm MSM8916 Snapdragon 410
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GPUAdreno 420Adreno 306
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Memory RAM2 GB1 GB
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Internal storage16, 32, 64 GB8 GB
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Memory cardmicroSD
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Memory card max-128 GB
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OS
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OSAndroid OS, v4.4 (KitKat)Android OS, v4.4 (KitKat)
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Main camera
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Main camera8 MP8 MP
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Primary camera resolution3264 x 2448 pixels3264 x 2448 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, touch focusGeo-tagging
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Selfie camera
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Selfie camera5 MP
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Selfie camera video720p-
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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; MP3, WAV 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, 802.11n, 802.11acWi-Fi
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WLAN WiFi Dual BandYes-
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USBv2.0(Slimport)microUSB 2.0
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BluetoothYesv4.0
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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 IMIM-
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Messaging Push EmailPush EmailPush Email
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JavaNoNo
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SensorsAccelerometer, gyroAccelerometer, proximity
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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-2000 mAh
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Battery removableNon-removable-
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Talk time12 h7 h
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Standby time-240 h