UMIDIGI S2 Pro vs Xiaomi Redmi S2 (Redmi Y2)
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UMIDIGI S2 Pro
Xiaomi Redmi S2 (Redmi Y2)
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA - China
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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)LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Global; LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) - India; LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
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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 announced20172018-5
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Status20172018-5
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Design
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BuildAluminium alloyFront glass, plastic body
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD))Dual SIM (Nano-SIM, dual stand-by)
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Height158.1 mm160.7 mm
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Width74.6 mm77.3 mm
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Thickness8.8 mm8.1 mm
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Weight186 g170 g
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ColorsBlack, RedGold, Gray, Rose Gold
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Display
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Display typeIPS capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6 inches5.99 inches
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Resolution1080 x 2160 pixels720 x 1440 pixels
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Pixel density402 ppi269 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-A53Octa-core 2.0 GHz Cortex-A53 ARM
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CPU(second)quad-core 1.6 GHz Cortex-A53
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ChipsetMediaTek Helio P20(MT6757CD)Qualcomm MSM8953 Snapdragon 625
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GPUMali-T880 MP2Adreno 506
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Memory RAM6 GB3, 4 GB
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Internal storage128 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max256 GB256 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 µm12 MP, 1.25 µm, f/2.2
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5 MP5 MP
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Primary camera resolution4160 x 3120 pixels4000 x 3000 pixels
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Primary camera video2160@30fps1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashquad-LED flashLED flash
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Electronic image stabilization-EIS (gyro)
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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 detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera16 MP16 MP
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Selfie camera resolution4608 x 3456 pixels4608 x 3456 pixels
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Secondary camera HDR-HDR
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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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Earpiece-Yes
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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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Bluetoothv4.1v4.2
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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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BDS-Yes
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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 Email
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SensorsAccelerometer, compass, fingerprint, hall, light, proximityFingerprint (rear-mounted), accelerometer, 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 mAh3080 mAh
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Battery removableNon-removableNon-removable
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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-
