Lenovo Vibe X2 vs vivo Y31
Lenovo Vibe X2
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, 1700, 1900, 2100HSDPA 850, 900, 2100
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 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 announced2014-92015-9
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Status2014-102015-10
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Design
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SIMMicro-SIM - Single SIM modelDual SIM (Micro-SIM/Nano-SIM, dual stand-by)Dual SIM
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Height140.2 mm137.2 mm
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Width68.6 mm68.8 mm
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Thickness7.3 mm8.4 mm
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Weight120 g137 g
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ColorsCharcoal, Gold, Red, 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 2.0 GHz ARM Cortex-A17Quad-core 1.3 GHz
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CPU(second)quad-core 1.7 GHz ARM Cortex-A7
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ChipsetMediaTek MT6595m True8CoreMediatek MT6580
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GPUPowerVR G600-
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Memory RAM2 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSD
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Memory card max-128 GB
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OS
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OSAndroid OS, v4.4 (KitKat)Android OS, v5.1 (Lollipop)
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Main camera
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Camera typePhoto / Video-
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Main camera13 MP8 MP
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Primary camera resolution4160 x 3120 pixels3264 x 2448 pixels
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Primary camera video1080p@30fpsvideo
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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 camera5 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-Fi 802.11b, 802.11g, 802.11n, 802.11acWi-Fi
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.1Yes
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Bluetooth A2DPYes-
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bluetooth LEYes-
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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 Mail-
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Messaging Push Mail-Push Mail
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JavaYes, via Java MIDP emulatorNo
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SensorsAccelerometer, compass, proximityAccelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity2300 mAh2100 mAh
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Battery removableNon-removable-
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Talk time--
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Talk time 2G17 h-
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Talk time 3G19 h-
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Standby time--
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Standby time 2G228 h-
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Standby time 3G216 h-
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