Blackview BV4900S vs Nomu T20
Blackview BV4900S
Nomu T20
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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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), 7(2600), 8(900), 20(800), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE, Cat6, 301.5 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 announced2021-092019-6
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Status2021-092019-6
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Design
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BuildPolycarbonate, rubber, siliconeAluminium alloy, polycarbonate
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM/NanoSIM(microSD))
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Height157.5 mm156.5 mm
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Width78.1 mm77.2 mm
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Thickness13.7 mm17.8 mm
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Weight261 g-
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WaterproofIP68Yes, IP69K
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Dust proofIP68Yes, IP69K
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MIL-STD-810GYesYes
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ColorsBlack, Green, Orange, YellowBlack, Yellow
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Display
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Display typeIPS TFTIPS capacitive touchscreen
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Physical size5.7 inches5 inches
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Resolution720 x 1440 pixels720 x 1280 pixels
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Pixel density282 ppi294 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Asahi Dragontrail glassScratch resistant, Corning Gorilla Glass 3
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Multitouch-Yes
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Hardware
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CPUOcta-core-
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CPUQuad-core 1.6 GHz Cortex-A55Quad-core 1.5 GHz Cortex-A53
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CPU(second)quad-core 1.2 GHz Cortex-A55
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ChipsetUnisoc SC9863AMediaTek MT6739V/CW
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GPUPowerVR GE8322PowerVR GE8100
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Memory RAM2 GB2 GB
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Internal storage32 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB128 GB
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StorageeMMC-
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OS
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OSDoke OS 2.0 (Android 11 Go Edition)Android 8.1 Oreo
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Main camera
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Camera typeSingle-
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Main camera8 MP, f/2.48 MP, f/2.0
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Primary camera resolution3264 x 2448 pixels3264 x 2448 pixels
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Primary camera video1080p@30fps720p@30fps
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Primary camera flashLED flashdual-LED 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, continuous shooting, 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 typeSingle-
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Selfie camera5 MP, f/2.2 , 1/4" , 1.4 µm2 MP
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Selfie camera resolution2560 x 1920 pixels1600 x 1200 pixels
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Selfie camera featuresFace unlock-
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Selfie camera video720p@30fps480p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYesYes
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Headphone adapter-Yes
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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
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WLAN WiFi HotspotYesYes
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WLAN WiFi Dual Band-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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Bluetooth EDR-Yes
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NFCYesYes
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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, gyroscope, light, 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-Yes
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Wireless charging-Yes
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Talk time 2G-26.5 h
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Talk time 3G-26.5 h
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Standby time 2G-446 h
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Standby time 3G-446 h
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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 USD-
