Alcatel Fire 7 vs vivo Y31
Alcatel Fire 7
vivo Y31
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Network
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2G networkGSM 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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Speed NoNo-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-22015-9
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Status20142015-10
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Design
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SIMNoDual SIM
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Height137.2 mm
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Width68.8 mm
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Thickness8.4 mm
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Weight285 g137 g
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ColorsBlackBlack, White
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Display
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Display typeCapacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7.0 inches4.7 inches
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Resolution540 x 960 pixels720 x 1280 pixels
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Pixel density157 ppi312 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.3 GHz
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Chipset-Mediatek MT6580
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Memory RAM-1 GB
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Internal storage-8 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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OSFirefox OS 1.3Android OS, v5.1 (Lollipop)
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Main camera
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Main camera8 MP
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Primary camera resolution640 x 480 pixels3264 x 2448 pixels
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Primary camera videovideovideo
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Primary camera flash-LED flash
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Camera features-Geo-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 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio-
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Radio FM-FM 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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Bluetooth-Yes
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GPS-Yes, with A-GPS
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Mail-Push Mail
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JavaNoNo
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Sensors-Accelerometer, compass, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery type-Li-Po
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Battery capacity-2100 mAh
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Talk time--
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Standby time--
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