Acer Liquid Z630S vs vivo Y31
Acer Liquid Z630S
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 networkHSDPAHSDPA 850, 900, 2100
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HSPA speedHSPAHSPA
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LTE speedLTE-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-92015-9
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Status2015-92015-10
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Design
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SIMOptional Dual SIMDual SIM
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Height156.3 mm137.2 mm
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Width77.5 mm68.8 mm
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Thickness8.9 mm8.4 mm
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Weight165 g137 g
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ColorsBlackBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.5 inches4.7 inches
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Resolution720 x 1280 pixels720 x 1280 pixels
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Pixel density267 ppi312 ppi
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Display colors1677721616777216
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Hardware
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CPUOcta-core 1.3 GHzQuad-core 1.3 GHz
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ChipsetMediatek MT6753Mediatek MT6580
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Memory RAM3 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSDmicroSD
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Memory card max-128 GB
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OS
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OSAndroid OS, v5.1 (Lollipop)Android OS, v5.1 (Lollipop)
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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 videovideovideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, HDR, touch focus
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Selfie camera
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Selfie camera8 MP2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Connectivity
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WLANWi-FiWi-Fi
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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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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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 MailPush MailPush Mail
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JavaNoNo
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SensorsYesAccelerometer, 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 capacity4000 mAh2100 mAh
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Talk time--
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Standby time--
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Multimedia
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Radio FM-FM radio
