Samsung Galaxy A31 vs vivo U20
Samsung Galaxy A31
vivo U20
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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, 2100
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4G networkLTE frequency band 1(2100), 5(850), 7(2600), 8(900), 25(1900)LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat10, 452 Mbps download, 102 Mbps uploadLTE, Cat12, 603 Mbps download, 102 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-032019-11
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Status2020-042019-11
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Design
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BuildPlasticPlastic
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height159.3 mm162.2 mm
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Width73.1 mm76.5 mm
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Thickness8.6 mm8.9 mm
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Weight185 g193 g
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ColorsBlack, Blue, Red, WhiteBlack, Blue
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Display
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Display typeSuper AMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.4 inches6.53 inches
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Resolution1080 x 2400 pixels1080 x 2340 pixels
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Pixel density411 ppi395 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screenScratch resistant
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MultitouchYesYes
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.2 GHz Cortex-A75Dual-core 2.0 GHz Kryo 460 Gold
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CPU(second)Hexa-core 1.7 GHz Cortex-A55Hexa-core 1.7 GHz Kryo 460 Silver
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Chipset-Qualcomm SDM675 Snapdragon 675
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GPU-Adreno 612
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Memory RAM4, 6 GB4, 6 GB
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Internal storage64, 128 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB256 GB
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StorageeMMC 5.1-
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OS
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OSAndroid 10.0; One UI 2.0Funtouch 9.2 OS (Android 9.0 Pie)
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Main camera
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Camera typeQuadTriple
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Main camera48 MP, f/2.0 , 1/2.0" , 0.8 µm16 MP, f/1.8
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8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm8 MP, f/2.2 , 13 mm
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5 MP, f/2.42 MP, f/2.4
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5 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels4608 x 3456 pixels
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Primary camera video1080p@30fps2160p@30fps, 1080p@30fps
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Primary camera flashLED flashLED flash
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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-modeAutofocus, 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 camera20 MP, f/2.216 MP, f/2.0 , 26 mm, 1/3.1" , 1.0 µm
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Selfie camera resolution-4608 x 3456 pixels
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11a, 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 display-Yes
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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectormicroUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BeidouYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, compass, fingerprint, gyroscope, light, 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 capacity5000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes
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Cost
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Price200 USD155 USD
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Multimedia
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Radio-FM Radio
