Blackview BV4900S vs Doogee S51
Blackview BV4900S
Doogee S51
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 3, 7, 8, 20, 40LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE, 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 announced2021-092022-09
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Status2021-092022-09
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Design
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BuildPolycarbonate, rubber, siliconeMetal, rubber, polycarbonate
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height157.5 mm167.4 mm
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Width78.1 mm81.4 mm
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Thickness13.7 mm14.6 mm
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Weight261 g266 g
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WaterproofIP68IP68/IP69K
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Dust proofIP68IP68/IP69K
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MIL-STD-810GYes-
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MIL-STD-810H-Yes
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ColorsBlack, Green, Orange, YellowBlack, Green, Orange
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Display
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Display typeIPS TFTIPS LCD
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Physical size5.7 inches6.0 inches
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Resolution720 x 1440 pixels720 x 1440 pixels
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Pixel density282 ppi268 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Asahi Dragontrail glassScratch resistant, Corning Gorilla Glass
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Hardware
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CPUOcta-core-
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CPUQuad-core 1.6 GHz Cortex-A55Octa-core 2.0 GHz Cortex-A53
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CPU(second)quad-core 1.2 GHz Cortex-A55
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ChipsetUnisoc SC9863AMediaTek Helio G25
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GPUPowerVR GE8322PowerVR GE8320
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Memory RAM2 GB4 GB
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Internal storage32 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB512 GB
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StorageeMMC-
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OS
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OSDoke OS 2.0 (Android 11 Go Edition)Android 12
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Main camera
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Camera typeSingleDual
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Main camera8 MP, f/2.420 MP, f/1.8 , (wide) , 90˚ , 1/2.9" , 1.25 µm
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(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution3264 x 2448 pixels5184 x 3840 pixels
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Primary camera video1080p@30fps1080p
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Primary camera flashLED flashquad-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, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus
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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 , (wide) , 80˚
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Selfie camera resolution2560 x 1920 pixels3264 x 2448 pixels
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Selfie camera featuresFace unlockFace unlock
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Selfie camera video720p@30fps1080p
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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 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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NFCYesYes
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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, compass, fingerprint, geomagnetic, 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-Ion
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Battery capacity5580 mAh5180 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time 3G-24 h
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Talk time 4G-24 h
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Standby time 3G-360 h
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Standby time 4G-360 h
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Tests and performance
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Antutu72117 (v8)102000 (v8)
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Geekbench(single-core)137 (v5.2)166 (v5.2)
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Geekbench(multi-core)627 (v5.2)968 (v5.2)
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Cost
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Price100 USD155 USD