UMIDIGI S2 vs Xiaomi Redmi Note 2
UMIDIGI S2
Xiaomi Redmi Note 2
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 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 uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced20172015-8
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Status20172015-8
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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 mm152 mm
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Width74.6 mm76 mm
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Thickness8.8 mm8.3 mm
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Weight186 g160 g
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ColorsBlack, RedWhite, blue, mint green, pink, yellow
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Display
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Display typeIPS capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6 inches5.5 inches
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Resolution720 x 1440 pixels1080 x 1920 pixels
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Pixel density268 ppi401 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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MultitouchYes-
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.3 GHz Cortex-A53Octa-core 2.2 GHz Cortex-A53 ARM
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CPU(second)quad-core 1.6 GHz Cortex-A53
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ChipsetMediaTek Helio P20(MT6757)Mediatek MT6795
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GPUMali-T880 MP2PowerVR G6200
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Memory RAM4 GB2 GB
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Internal storage64 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max256 GB32 GB
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StorageeMMC 5.1-
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OS
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OSAndroid OS, v6.0 Marshmallow, UMI OS(Android 7.0 Nougat)Android OS, v5.0 (Lollipop)
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Main camera
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Camera typeDual-
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Main camera13 MP, f/2.0 , 4 mm, 1.133 µm13 MP
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5 MP
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Primary camera resolution4160 x 3120 pixels4128 x 3096 pixels
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Primary camera video2160p@30fps1080p@30fps
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Primary camera flashquad-LED flashLED flash
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Primary camera phase detection autofocus-phase detection autofocus
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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, HDR, face/smile detection, panorama, touch focus
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Selfie camera
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Selfie camera5 MP, f/2.0 , 3 mm, 1.141 µm5 MP
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Selfie camera resolution2560 x 1920 pixels-
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Selfie camera video480p@30fps720p
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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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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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Infrared-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GPS Navigator-Beidou
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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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Messaging Push Email-Push Mail
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Java-No
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SensorsAccelerometer, compass, fingerprint, hall, light, proximityAccelerometer, compass, gyro, 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 capacity5100 mAh3060 mAh
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Battery removableNon-removable-
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Fast battery chargingYes-
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Talk time 3G-11 h 30 min
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Standby time 2G480 h-
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Standby time 3G480 h144 h
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