UMIDIGI S2 Pro vs Vertex Impress Vira
UMIDIGI S2 Pro
Vertex Impress Vira
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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, 1900, 2100HSDPA 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 18(800)LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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LTE speedLTE, Cat6, 301 Mbps download, 51 Mbps uploadLTE, 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 announced20172018-11
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Status20172018-11
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Design
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BuildAluminium alloyPlastic
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD))Dual SIM(Nano-SIM, dual stand-by)
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Height158.1 mm148 mm
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Width74.6 mm70 mm
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Thickness8.8 mm10.5 mm
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Weight186 g186 g
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ColorsBlack, RedBlack
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Display
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Display typeIPS capacitive touchscreenIPS
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Physical size6 inches5.5 inches
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Resolution1080 x 2160 pixels640 x 1280 pixels
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Pixel density402 ppi260 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 4-
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.6 GHz Cortex-A53Quad-core 1.5 GHz Cortex-A53
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CPU(second)quad-core 1.6 GHz Cortex-A53
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ChipsetMediaTek Helio P20(MT6757CD)MediaTek MT6739WW
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GPUMali-T880 MP2PowerVR GE8100
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Memory RAM6 GB2 GB
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Internal storage128 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB128 GB
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StorageeMMC 5.1-
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OS
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OSUMI OS(Android 7.0 Nougat)Android 8.1 Oreo
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Main camera
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Camera typeDualDual
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Main camera13 MP, 1.133 µm8 MP
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5 MP0.3 MP
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Primary camera resolution4160 x 3120 pixels3264 x 2448 pixels
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Primary camera video2160@30fps720p@30fps
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Primary camera flashquad-LED flashLED flash
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Camera featuresAutofocus, continuous shooting, 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 camera16 MP5 MP
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Selfie camera resolution4608 x 3456 pixels2560 x 1920 pixels
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Selfie camera video-480p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHzWi-Fi 802.11b, 802.11g, 802.11n, 802.11n 5GHz
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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 BandYesYes
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USBType-C reversible connectormicroUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.1v4.0
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Bluetooth A2DPYesYes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, hall, 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-Ion
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Battery capacity5100 mAh3300 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingMediaTek Pump Express Plus 2.0-
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Standby time 2G480 h-
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Standby time 3G480 h-
