Samsung Galaxy M31s vs Xiaomi Mi A2
Samsung Galaxy M31s
Xiaomi Mi A2
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66LTE 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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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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HSPA speed-HSPA
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LTE speedLTE, Cat10, 452 Mbps download, 102 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-072018-4
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Status2020-082018
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Design
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BuildPlasticFront glass, aluminum body
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height159.3 mm158.7 mm
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Width74.4 mm75.4 mm
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Thickness9.3 mm7.3 mm
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Weight203 g168 g
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ColorsBlack, BlueBlack, Cherry Pink, Flame Red, Glacier Blue, Sand Gold
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Display
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Display typeSuper AMOLED capacitive touchscreenLTPS IPS LCD capacitive touchscreen
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Physical size6.5 inches5.99 inches
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Resolution1080 x 2400 pixels1080 x 2160 pixels
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Pixel density405 ppi403 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Corning Gorilla Glass 3Corning Gorilla Glass 3
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Multitouch-Yes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A73Quad-core 2.2 GHz Kryo 260
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CPU(second)quad-core 1.7 GHz Cortex-A53quad-core 1.8 GHz Kryo 260
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ChipsetExynos 9611Qualcomm SDM660 Snapdragon 660
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GPUMali-G72 MP3Adreno 512
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Memory RAM6, 8 GB4, 6 GB
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Internal storage128 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD(uses second SIM slot)
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Memory card max512 GB256 GB
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StorageUFS 2.1-
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OS
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OSAndroid 10.0; One UI 2.0Android 8.1 (Oreo); Android One
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Main camera
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Camera typeTripleDual
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Main camera64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm12 MP, f/1.8 , 1/2.9" , 1.25 µm, 2x optical zoom
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8 MP, f/2.220 MP, f/1.8 , 1/2.8" , 1 µm
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5 MP, f/2.4
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5 MP, f/2.4
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Primary camera resolution9280 x 6944 pixels4000 x 3000 pixels
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Primary camera video4K@30fps, 1080p@30fps, gyro-EIS2160p@30fps, 1080p@30fps, 720p@120fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashLED flashLED flash
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Electronic image stabilization-EIS (gyro)
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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-mode, phase detection autofocusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera32 MP, f/2.2 , 26 mm, 1/2.8" , 0.8 µm20 MP, f/1.8 , 1/2.8" , 1.0 µm
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Selfie camera resolution6528 x 4896 pixels5384 x 3752 pixels
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Secondary camera HDR-Auto HDR
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Selfie camera video4K@30fps, 1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYes-
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Headphone adapter-Yes
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-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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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectorType-C 1.0 reversible connector
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USB On-The-GoYes-
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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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GALILEOYes-
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BDSYesYes
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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, gyroscope, 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-Ion
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Battery capacity6000 mAh3010 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQualcomm Quick Charge 3.0
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Wireless reverse chargingYes-
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Talk time 4G51 h-
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Cost
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Price270 USD-
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Multimedia
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Radio FM-FM radio
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