Blackview BV4900S vs Realme Narzo 20
Blackview BV4900S
Realme Narzo 20
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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 frequency band 1, 3, 5, 8, 38, 40, 41
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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, Cat7, 301 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 announced2021-092020-09
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Status2021-092020-09
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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 mm164.5 mm
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Width78.1 mm75.9 mm
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Thickness13.7 mm9.8 mm
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Weight261 g208 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, YellowBlue, 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 glassScratch resistant, 2.5D curved glass screen
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Display features-450 nits (typ), 560 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 1.6 GHz Cortex-A55Dual-core 2.05 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 SC9863AMediaTek Helio G85
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GPUPowerVR GE8322Mali-G52 MC2
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Memory RAM2 GB4 GB
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Internal storage32 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB256 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)Android 10, Realme UI 1.0
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Main camera
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Camera typeSingleTriple
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Main camera8 MP, f/2.448 MP, f/1.8 , (wide) , 26 mm, 1/2.0" , 0.8 µm
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(ultrawide) , 8 MP, f/2.3 , 119˚ , 1/4.0" , 1.12 µm
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(macro) , 2 MP, f/2.4
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Primary camera resolution3264 x 2448 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps1080p@30/60fps
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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, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, super nightscape
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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 µm8 MP, f/2.0 , 1/4" , 1.12 µm, (wide) , 79˚ , 26 mm
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Selfie camera resolution2560 x 1920 pixels3264 x 2448 pixels
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Selfie camera featuresFace unlockFace unlock, HDR
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 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 2.0
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USB On-The-GoYesYes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth AptX-aptX HD
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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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GALILEOYes-
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BDSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, magnetometer, proximityAccelerometer, compass, 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 mAh6000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time 4G-43 h
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Tests and performance
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Antutu72117 (v8)205000 (v8)
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Geekbench(single-core)137 (v5.2)394 (v5.2)
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Geekbench(multi-core)627 (v5.2)1363 (v5.2)
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Cost
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Price100 USD280 USD
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SAR value
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SAR(head)-1.03 W/kg
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SAR(body)-0.73 W/kg
