Allview V2 Viper i vs UMIDIGI Crystal
Allview V2 Viper i
UMIDIGI Crystal
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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, 1900, 2100HSDPA 850, 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 7(2600), 18(800)
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speed-LTE, Cat4, 150 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2015-122017
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Oficially announced2015-122017
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Design
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Build-Metal, glass
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD))
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Height143.3 mm141.3 mm
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Width72 mm74.8 mm
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Thickness8.9 mm8.1 mm
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Weight153 g180 g
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ColorsBlack, WhiteBlack
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size5.0 inches5.5 inches
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Resolution720 x 1280 pixels1080 x 1920 pixels
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Pixel density294 ppi401 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen, Corning Gorilla Glass 4
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Multitouch-Yes
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7Quad-core 1.5 GHz Cortex-A53
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ChipsetMediatek MT6580Mediatek MT6737T
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GPUMali-400Mali-T720 MP2
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Internal storage16 GB16 GB
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Memory RAM1 GB2 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max128 GB256 GB
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OS
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OSAndroid OS, v5.1 (Lollipop)Android 7.0 Nougat
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Main camera
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Camera type-Dual
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Main camera5 MP13 MP, 1.127 µm
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5 MP
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video720p1080@30fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Primary camera phase detection autofocus-phase detection autofocus
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Camera featuresGeo-tagging, HDR, face/smile detection, touch focusAutofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera2 MP5 MP, 1.25 µm
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Selfie camera resolution-2560 x 1920 pixels
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Selfie camera video-480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; 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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHz
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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Bluetooth EDRYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsAccelerometer, compass, proximityAccelerometer, compass, fingerprint, light, 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 capacity2000 mAh3000 mAh
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Battery removableRemovableNon-removable
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Talk time 3G8 h 20 min-
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Standby time 2G-320 h
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Standby time 3G200 h320 h
