BLU Energy JR vs vivo Y31
BLU Energy JR
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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EDGEYesYes
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Availability
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Oficially announced2016-62015-9
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Status2016-62015-10
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Design
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SIMDual SIM (Micro-SIM/Nano-SIM, dual stand-by)Dual SIM
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Height131.5 mm137.2 mm
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Width63.8 mm68.8 mm
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Thickness11.3 mm8.4 mm
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Weight136 g137 g
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ColorsBlack, WhiteBlack, White
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.0 inches4.7 inches
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Resolution480 x 800 pixels720 x 1280 pixels
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Pixel density233 ppi312 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPUDual-core 1.3 GHzQuad-core 1.3 GHz
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Chipset-Mediatek MT6580
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GPUMali-400-
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Memory RAM256 MB1 GB
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Internal storage512 MB8 GB
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Memory cardmicroSDmicroSD
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Memory card max64 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 camera3.15 MP8 MP
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Primary camera resolution-3264 x 2448 pixels
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Primary camera video720@30fpsvideo
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Primary camera flashLED flashLED flash
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Camera featuresGeo-taggingGeo-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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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0microUSB 2.0
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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 IMIMIM
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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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SensorsAccelerometerAccelerometer, compass, proximity
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Browser
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HTMLYesHTML5
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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 removableRemovable-
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Talk time96 h-
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Standby time720 h-
