verykool T7445 vs vivo Y31
verykool T7445
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, 1900HSDPA 850, 900, 2100
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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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 announced2017-62015-9
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Status2017-62015-10
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Design
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SIMDual SIM (Mini-SIM, Micro-SIM)Dual SIM
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Height189.8 mm137.2 mm
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Width109.7 mm68.8 mm
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Thickness10.6 mm8.4 mm
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Weight275 g137 g
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ColorsBlackBlack, White
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7.0 inches4.7 inches
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Resolution600 x 1024 pixels720 x 1280 pixels
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Pixel density170 ppi312 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7Quad-core 1.3 GHz
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ChipsetMediatek MT8321Mediatek MT6580
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GPUMali-400-
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Memory RAM1 GB1 GB
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Internal storage8 GB8 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 7.0 (Nougat)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera5 MP, f/2.48 MP
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Primary camera resolution-3264 x 2448 pixels
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Primary camera video720p@30fpsvideo
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, face detection, panorama, touch focusGeo-tagging, HDR, touch focus
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Selfie camera
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FlashLED flash-
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Selfie camera2 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, 802.11nWi-Fi
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0Yes
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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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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-PoLi-Po
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Battery capacity2500 mAh2100 mAh
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Talk time--
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Talk time 3G10 h-
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Standby time--
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Standby time 3G216 h-
