Blackview BV4900S vs Realme C31
Blackview BV4900S
Realme C31
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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, 2100
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4G networkLTE frequency band 1, 3, 7, 8, 20, 40LTE
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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, Cat4, 150 Mbps download, 51 Mbps uploadLTE-A, 151 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 announced2021-092022-03
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Status2021-092022-03
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Design
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BuildPolycarbonate, rubber, siliconeGlass front, plastic frame, plastic back
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height157.5 mm164.7 mm
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Width78.1 mm76.2 mm
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Thickness13.7 mm8.4 mm
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Weight261 g197 g
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WaterproofIP68-
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Dust proofIP68-
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MIL-STD-810GYes-
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ColorsBlack, Green, Orange, YellowGreen, Silver
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Display
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Display typeIPS TFTIPS LCD
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Physical size5.7 inches6.5 inches
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Resolution720 x 1440 pixels720 x 1600 pixels
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Pixel density282 ppi270 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Asahi Dragontrail glass-
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 1.6 GHz Cortex-A55Dual-core 1.8 GHz Cortex-A75
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CPU(second)quad-core 1.2 GHz Cortex-A55Hexa-core 1.8 GHz Cortex-A55
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ChipsetUnisoc SC9863AUnisoc Tiger T612
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GPUPowerVR GE8322Mali-G57
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Memory RAM2 GB4, 6 GB
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Internal storage32 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB1 TB
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StorageeMMC-
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OS
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OSDoke OS 2.0 (Android 11 Go Edition)Android 11, Realme UI 2.0
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Main camera
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Camera typeSingleTriple
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Main camera8 MP, f/2.413 MP, f/2.2 , (wide) , 81˚ , 24 mm, 4x digital zoom
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(macro) , 2 MP, f/2.4
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(depth) , 0.3 MP, f/2.8
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Primary camera resolution3264 x 2448 pixels4208 x 3120 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-mode-
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera5 MP, f/2.2 , 1/4" , 1.4 µm5 MP, f/2.0 , 76˚
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Selfie camera resolution2560 x 1920 pixels2592 x 1944 pixels
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Selfie camera featuresFace unlock-
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Selfie camera video720p@30fps720p@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 HotspotYes-
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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NFCYesNo
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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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BDSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, magnetometer, proximityAccelerometer, fingerprint, proximity
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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-No
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Tests and performance
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Antutu72117 (v8)224223 (v9)
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Geekbench(single-core)137 (v5.2)356 (v5.2)
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Geekbench(multi-core)627 (v5.2)1279 (v5.2)
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Cost
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Price100 USD110 USD
