Allview V1 Viper i4G vs Yezz Classic Z51
Allview V1 Viper i4G
Yezz Classic Z51
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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 900, 2100-
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HSDPA speed42.2 Mbps-
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HSUPA speed11.5 Mbps-
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced20152015-7
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Status20152015-9
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height137.3 mm100.5 mm
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Width68.3 mm50.5 mm
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Thickness9.6 mm17.8 mm
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Weight149.9 g86 g
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ColorsBlack, WhiteBlack, White
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size4.7 inches1.3 inches
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Resolution480 x 854 pixels240 x 320 pixels
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Pixel density208 ppi308 ppi
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Display colors-66560
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7
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ChipsetMediatek MT6582-
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GPUMali-400-
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Memory RAM1 GB-
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Internal storage8 GB16 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)-
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Main camera
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Main camera5 MP1.3 MP
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Primary camera resolution2592 х 1944 pixels1280 x 1024 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/smile detection, touch focusNo
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Selfie camera
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Secondary camera-No
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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, Polyphonic
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Multimedia
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Radio FMFM radioStereo FM radio; built in antenna
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0Yes
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Bluetoothv4.0v3.0
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Bluetooth A2DPYes-
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Bluetooth EDRYesYes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push MailPush Mail-
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WAP-WAP 2.0/xHTML
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JavaNoNo
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SensorsAccelerometer, compass, proximity-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity1800 mAh800 mAh
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Talk time8 h 20 min5 h
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Standby time180 h130 h
