Yezz Z50 vs vivo Y31
Yezz Z50
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 network-HSDPA 850, 900, 2100
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HSPA speed-HSPA
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-112015-9
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Status2015-12015-10
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height100.9 mm137.2 mm
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Width51.8 mm68.8 mm
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Thickness21.5 mm8.4 mm
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Weight120 g137 g
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ColorsBlack, WhiteBlack, White
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size2.4 inches4.7 inches
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Resolution240 x 320 pixels720 x 1280 pixels
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Pixel density167 ppi312 ppi
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Display colors26214416777216
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Hardware
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CPUQuad-core 1.3 GHz
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Chipset-Mediatek MT6580
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Internal storage16 MB8 GB
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Memory RAM-1 GB
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Memory cardmicroSD
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Memory card max-128 GB
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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 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 cameraNo-
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Selfie camera2 MP
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Radio antennabuilt-in antenna-
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Connectivity
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WLANWi-Fi
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USBYesmicroUSB 2.0
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Bluetoothv2.1Yes
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Bluetooth EDRYes-
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Mail-Push Mail
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WAPWAP 2.0-
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JavaNoNo
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Sensors-Accelerometer, compass, proximity
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity950 mAh2100 mAh
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Talk time7 h 30 min-
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Standby time190 h-
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OS
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OS-Android OS, v5.1 (Lollipop)
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Browser
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HTML-HTML5
