Asus PadFone E vs vivo Y31
Asus PadFone E
vivo Y31
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 2100
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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HSPA speed-HSPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-12015-9
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Status2014-32015-10
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Design
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SIMDual SIM (dual stand-by)Dual SIM
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Height139.6 mm137.2 mm
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Width69.7 mm68.8 mm
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Thickness9.1 mm8.4 mm
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Weight126 g137 g
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ColorsBlack, WhiteBlack, White
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Display
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Display typeSuper IPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.7 inches4.7 inches
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Resolution720 x 1280 pixels720 x 1280 pixels
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Pixel density312 ppi312 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 1.4 GHzQuad-core 1.3 GHz
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ChipsetQualcomm Snapdragon 400Mediatek MT6580
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Memory RAM1 GB1 GB
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Internal storage-8 GB
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Memory cardmicroSDmicroSD
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Memory card max64 GB128 GB
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OS
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OSAndroid OS, v4.3 (Jelly Bean)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera13 MP8 MP
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Primary camera resolution4128 x 3096 pixels3264 x 2448 pixels
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Primary camera video1080p@30fps, 720p@60fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Camera features-Geo-tagging, HDR, touch focus
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Selfie camera
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Selfie camera1.2 MP2 MP
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Selfie camera video720p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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Messaging Push Mail-Push Mail
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1820 mAh2100 mAh
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Battery removableNon-removable-
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Talk time--
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Talk time 2G27 h-
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Talk time 3G15 h-
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Standby time--
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Standby time 2G270 h-
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Standby time 3G330 h-