Blackview A20 vs Samsung Galaxy S9
Blackview A20
Samsung Galaxy S9
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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 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE
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HSDPA speed21 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE-A speed-LTE-A, (6CA) Cat18, 1200 Mbps download, 200 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42018-2
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Status2018-42018-3
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Design
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BuildPlasticFront/back glass (Gorilla Glass 5), aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height146.7 mm147.7 mm
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Width70.7 mm68.7 mm
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Thickness9.6 mm8.5 mm
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Weight170 g163 g
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Payment-Samsung Pay(Visa, Mastercard certified)
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Waterproof-IP68, 1.5m and 30 minutes
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Dust proof-Yes, IP68
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ColorsBlack, Gold, GrayCoral Blue, Lilac Purple, Midnight Black, Titanium Gray
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Display
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Display typeIPS capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.5 inches5.8 inches
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Resolution480 x 960 pixels1440 x 2960 pixels
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Pixel density195 ppi570 ppi
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Display colors1677721616777216
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ProtectionScratch resistantCorning Gorilla Glass 5
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MultitouchYesYes
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Display features-HDR10 compliant, 3D Touch, Always-on display
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 2.7 GHz Mongoose M3
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CPU(second)quad-core 1.8 GHz Cortex-A55
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ChipsetMediatek MT6580MExynos 9810 Octa / Qualcomm SDM845 Snapdragon 845
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GPUMali-400 MP2Mali-G72 MP18 / Adreno 630
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Memory RAM1 GB4 GB
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Internal storage8 GB64, 128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD(uses second SIM slot)
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Memory card max32 GB400 GB
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OS
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OSAndroid OS, v8.0 Oreo Go EditionAndroid 8.0 (Oreo)
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Main camera
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Camera typeDual-
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Camera type-Photo / Video
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Main camera5 MP, f/2.012 MP, f/1.5-2.4 , 26 mm, 1/2.5" , 1.4 µm
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0.3 MP
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Primary camera resolution2592 x 1944 pixels4032 x 3024 pixels
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Primary camera video720p@30fps2160p@60fps, 1080p@240fps, 720p@960fps
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Primary camera Autofocus-dual pixel phase detection autofocus
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Primary camera flashLED flashLED flash
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Primary camera optical image stabilization-optical image stabilization
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Primary camera video dual video-dual-video record
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Primary camera video hdr-HDR
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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-modeAuto HDR, Geo-tagging, face/smile detection, panorama, simultaneous 4K video and 9MP image recording, touch focus
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Selfie camera
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Selfie camera2 MP, f/2.88 MP, f/1.7 , 25 mm, 1/3.6" , 1.22 µm
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Selfie camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Secondary camera autofocus-autofocus
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Secondary camera dual video call-dual video call
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Secondary camera HDR-Auto HDR
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Selfie camera video480p@30fps1440p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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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 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth AptX-Yes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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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 Mail-Push Mail
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SensorsAccelerometer, light, proximityIris scanner, SpO2, accelerometer, barometer, compass, fingerprint (rear-mounted), gyro, heart rate, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3000 mAh3000 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Quick Charge 2.0
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Wireless charging-Qi/PMA wireless charging
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Talk time 2G10 h-
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Talk time 3G10 h-
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Standby time 2G240 h-
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Standby time 3G240 h-
