Allview V2 Viper i4G vs DEXP B450
Allview V2 Viper i4G
DEXP B450
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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 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 20(800), 38(2600), 39(1900), 40(2300), 41(2500)-
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HSDPA speed21.1 Mbps21 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSClass 12Yes
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EDGEClass 10Yes
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Availability
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Oficially announced2016-42018-11
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Status2016-42018-11
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Design
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Build-Plastic
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height143.5 mm145.6 mm
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Width72 mm72.1 mm
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Thickness8.3 mm9 mm
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Weight144.5 g148 g
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ColorsBlack, WhiteBlack, Gold
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Display
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Display typeIPS LCD capacitive touchscreenIPS
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Physical size5.0 inches5 inches
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Resolution720 x 1280 pixels480 x 854 pixels
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Pixel density294 ppi196 ppi
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Display colors-16777216
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ProtectionScratch-resistant glass-
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A53Quad-core 1.3 GHz Cortex-A7
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ChipsetMediatek MT6735Mediatek MT6580M
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GPUMali-T720Mali-400 MP2
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Memory RAM2 GB1 GB
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Internal storage16 GB8 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max256 GB32 GB
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OS
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OSAndroid OS, v5.1 (Lollipop)Android 8.1 Oreo
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Main camera
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Main camera8 MP5 MP
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Primary camera resolution-2592 x 1944 pixels
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Primary camera video1080p@30fps720p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusContinuous shooting, digital zoom, geotagging, panorama, HDR, white balance settings, ISO settings, exposure compensation, self-timer, scene mode
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Selfie camera
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Selfie camera5 MP2 MP
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Selfie camera resolution-1600 x 1200 pixels
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Selfie camera video-480p@30fps 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 ringtones-
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Earpiece-Yes
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Multimedia
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Radio-FM Radio
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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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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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 MailPush Mail-
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JavaNo-
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SensorsAccelerometer, compass, proximityAccelerometer
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2300 mAh2000 mAh
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Battery removableRemovableRemovable
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Talk time10 h-
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Standby time210 h-
