vivo X6 vs vivo Y31
vivo X6
vivo Y31
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 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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Status2015-122015-10
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Oficially announced2015-112015-9
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Design
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SIMDual SIMDual SIM
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Height147.9 mm137.2 mm
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Width73.8 mm68.8 mm
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Thickness6.7 mm8.4 mm
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Weight135.5 g137 g
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ColorsGold, Rose Gold, SilverBlack, White
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Display
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Display typeSuper AMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.2 inches4.7 inches
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Resolution1080 x 1920 pixels720 x 1280 pixels
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Pixel density424 ppi312 ppi
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Display colors1677721616777216
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Hardware
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CPUOcta-core 1.7 GHz ARM Cortex-A53Quad-core 1.3 GHz
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Chipset-Mediatek MT6580
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Memory RAM4 GB1 GB
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Internal storage32 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, v5.1 (Lollipop)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@30fpsvideo
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Primary camera flashLED flashLED flash
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Primary camera phase detection autofocusphase detection autofocus-
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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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Multimedia
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Radio FMFM radioFM radio
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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 hostYes-
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Bluetoothv4.0Yes
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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 IM-IM
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Messaging Push EmailPush Email-
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Messaging Push Mail-Push Mail
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JavaNoNo
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SensorsFingerprint, accelerometer, compass, gyro, proximityAccelerometer, 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 capacity2400 mAh2100 mAh
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Battery removableNon-removable-
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Talk time--
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Standby time--