Sony Xperia Z2a vs vivo Y31
Sony Xperia Z2a
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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4G networkLTE 700, 850, 900, 1800, 1900, 2100, 2600-
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HSDPA speedHSDPA, 42 Mbps-
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HSUPA speedHSUPA, 5.8 Mbps-
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HSPA speed-HSPA
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LTE speedLTE, 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 announced2014-62015-9
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Status2014-72015-10
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Design
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SIMMicro-SIMDual SIM
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Height137 mm137.2 mm
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Width72 mm68.8 mm
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Thickness11 mm8.4 mm
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Weight163 g137 g
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ColorsBlack, Turquoise, WhiteBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.0 inches4.7 inches
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Resolution1080 x 1920 pixels720 x 1280 pixels
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Pixel density441 ppi312 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 2.3 GHz Krait 400Quad-core 1.3 GHz
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ChipsetQualcomm MSM8974AB Snapdragon 801Mediatek MT6580
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GPUAdreno 330-
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Memory RAM3 GB1 GB
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Internal storage16 GB8 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB128 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera20.7 MP8 MP
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Primary camera resolution5248 x 3936 pixels3264 x 2448 pixels
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Primary camera video2160p@30fps, 1080p@60fps, 720p@120fpsvideo
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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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Secondary cameraVGA camera-
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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; MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radio with RDSFM radio
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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 HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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WLAN DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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USB hostYes-
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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 capacity3000 mAh2100 mAh
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Battery removableNon-removable-
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Talk time--
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Talk time 2G13 h-
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Talk time 3G19 h-
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Standby time--
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Standby time 2G700 h-
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Standby time 3G770 h-