Blackview BV4900S vs Xiaomi Redmi 8A Dual
Blackview BV4900S
Xiaomi Redmi 8A Dual
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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, 1900, 2100
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4G networkLTE frequency band 1, 3, 7, 8, 20, 40LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-092020-02
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Status2021-092020-02
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Design
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BuildPolycarbonate, rubber, siliconePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height157.5 mm156.5 mm
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Width78.1 mm75.4 mm
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Thickness13.7 mm9.4 mm
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Weight261 g188 g
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WaterproofIP68-
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Splash resistant-Yes
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Dust proofIP68-
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MIL-STD-810GYes-
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ColorsBlack, Green, Orange, YellowBlack, Blue, Red
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Display
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Display typeIPS TFTIPS LCD capacitive touchscreen
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Physical size5.7 inches6.22 inches
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Resolution720 x 1440 pixels720 x 1520 pixels
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Pixel density282 ppi270 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Asahi Dragontrail glassCorning Gorilla Glass 5
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Multitouch-Yes
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Display features-400 nits typ. brightness
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 1.6 GHz Cortex-A55Quad-core 1.95 GHz Cortex-A53
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CPU(second)quad-core 1.2 GHz Cortex-A55quad-core 1.45 GHz Cortex-A53
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ChipsetUnisoc SC9863AQualcomm SDM439 Snapdragon 439
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GPUPowerVR GE8322Adreno 505
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Memory RAM2 GB2, 3 GB
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Internal storage32 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB-
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StorageeMMCeMMC 5.1
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OS
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OSDoke OS 2.0 (Android 11 Go Edition)MIUI 11 (Android 9.0 Pie)
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Main camera
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Camera typeSingleDual
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Main camera8 MP, f/2.413 MP, f/2.2 , 1/3.1" , 1.12 µm
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2 MP, f/2.4
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video1080p@30fps1080p@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-modeHDR, Panorama
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera5 MP, f/2.2 , 1/4" , 1.4 µm8 MP, f/2.0 , 1/4" , 1.12 µm
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Selfie camera resolution2560 x 1920 pixels-
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Selfie camera featuresFace unlock-
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Selfie camera video720p@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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Multimedia
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RadioFM RadioFM Radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0Type-C reversible connector
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USB On-The-GoYesYes
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Bluetoothv4.2v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFCYes-
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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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Beidou-Yes
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BDSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, magnetometer, proximityAccelerometer, compass, proximity
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Power bank function-Yes
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity5580 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Tests and performance
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Antutu72117 (v8)-
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Geekbench(single-core)137 (v5.2)-
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Geekbench(multi-core)627 (v5.2)-
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Cost
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Price100 USD90 USD
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