UMIDIGI A3 Pro vs Vertex Impress Lion dual cam 3G
UMIDIGI A3 Pro
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 850, 900, 1700, 1900, 2100HSDPA 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 39(1900); LTE-TDD 2300, 2500, 2600 MHz-
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HSDPA speed-21 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE, 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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Oficially announced2018-102017-12
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Status2018-102017-12
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Design
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BuildMetal, plasticPlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height147.2 mm-
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Width70.2 mm-
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Thickness8.5 mm-
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Weight187 g-
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ColorsGray, GoldBlack, Gold
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Display
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Display typeIPS capacitive touchscreenIPS capacitive touchscreen
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Physical size5.7 inches5 inches
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Resolution720 x 1512 pixels720 x 1280 pixels
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Pixel density294 ppi294 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen-
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.5 GHz Cortex-A53Quad-core 1.3 GHz Cortex-A7
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ChipsetMediatek MT6739Mediatek MT6580
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GPUPowerVR GE8100Mali-400 MP2
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Memory RAM3 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC
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Memory card max64 GB32 GB
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StorageeMMC 5.1-
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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 typeDualDual
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Main camera12 MP, f/2.0 , 1.25 µm8 MP
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5 MP5 MP
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Primary camera resolution4032 x 3024 pixels3264 x 2448 pixels
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Primary camera video1080p@30fps720p@30fps
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Primary camera flashdual-LED flashdual-LED flash
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Primary camera phase detection autofocusphase detection autofocus-
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, 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 camera8 MP, f/2.0 , 1.127 µm5 MP
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Selfie camera resolution3264 x 2448 pixels2560 x 1920 pixels
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Selfie camera video720p@30fps480p@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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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHzWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYes-
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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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GLONASSYes-
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BeidouYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, proximityAccelerometer, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity3300 mAh4400 mAh
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Battery removableNon-removableRemovable
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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
