DEXP B450 vs Vertex Impress Lion dual cam 3G
DEXP B450
Vertex Impress Lion dual cam 3G
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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, 2100HSDPA 900, 2100
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HSDPA speed21 Mbps21 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-112017-12
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Status2018-112017-12
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Design
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BuildPlasticPlastic
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height145.6 mm-
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Width72.1 mm-
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Thickness9 mm-
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Weight148 g-
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ColorsBlack, GoldBlack, Gold
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Display
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Display typeIPSIPS capacitive touchscreen
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Physical size5 inches5 inches
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Resolution480 x 854 pixels720 x 1280 pixels
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Pixel density196 ppi294 ppi
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Display colors1677721616777216
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.3 GHz Cortex-A7
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ChipsetMediatek MT6580MMediatek MT6580
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GPUMali-400 MP2Mali-400 MP2
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Memory RAM1 GB1 GB
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Internal storage8 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC
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Memory card max32 GB32 GB
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OS
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OSAndroid 8.1 OreoAndroid 7.0 Nougat
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Main camera
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Camera type-Dual
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Main camera5 MP8 MP
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5 MP
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Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
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Primary camera video720p@30fps720p@30fps
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Primary camera flashLEDdual-LED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, panorama, HDR, white balance settings, ISO settings, exposure compensation, self-timer, scene modeAutofocus, continuous shooting, digital zoom, 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
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Selfie camera resolution1600 x 1200 pixels2560 x 1920 pixels
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Selfie camera video480p@30fps MP480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM Radio-
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Radio FM-FM 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 HotspotYesYes
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WLAN WiFi Direct-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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GPSYes, with A-GPSYes, with A-GPS
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Features
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SensorsAccelerometerAccelerometer, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity2000 mAh4400 mAh
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Battery removableRemovableRemovable
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Talk time 2G-12 h
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Talk time 3G-12 h
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Standby time 2G-320 h
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Standby time 3G-320 h
