UMIDIGI S2 Pro vs alcatel Pixi 4 (6) 3G
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UMIDIGI S2 Pro
alcatel Pixi 4 (6) 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, 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 18(800)-
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HSPA speed-HSPA
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LTE speedLTE, Cat6, 301 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 announced20172016-6
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Status20172016-6
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Design
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BuildAluminium alloy-
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD))Dual SIM (Micro-SIM, dual stand-by)
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Height158.1 mm168.5 mm
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Width74.6 mm86.4 mm
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Thickness8.8 mm8 mm
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Weight186 g179 g
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ColorsBlack, RedBlack, Gold, Silver
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Display
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Display typeIPS capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6 inches6.0 inches
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Resolution1080 x 2160 pixels540 x 960 pixels
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Pixel density402 ppi184 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 1.3 GHz
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CPU(second)quad-core 1.6 GHz Cortex-A53
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ChipsetMediaTek Helio P20(MT6757CD)-
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GPUMali-T880 MP2-
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Memory RAM6 GB1 GB
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Internal storage128 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max256 GB64 GB
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StorageeMMC 5.1-
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OS
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OSUMI OS(Android 7.0 Nougat)Android OS, v5.1 (Lollipop)
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Main camera
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Camera typeDual-
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Main camera13 MP, 1.133 µm13 MP
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5 MP
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video2160@30fps1080p@30fps
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Primary camera Autofocus-autofocus
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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-modeGeo-tagging, panorama, touch focus
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Selfie camera
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Selfie camera16 MP8 MP
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Selfie camera resolution4608 x 3456 pixels-
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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Notifications-Vibration; 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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHzWi-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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USBType-C reversible connectormicroUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.1v4.1
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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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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Java-No
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SensorsAccelerometer, compass, fingerprint, hall, light, proximityAccelerometer, proximity
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity5100 mAh2580 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-
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