Blackview OSCAL C20 vs Doogee S51
Blackview OSCAL C20
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 network-LTE 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 speed21.1 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 speed-LTE, 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 announced2021-072022-09
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Status2021-072022-09
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Design
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BuildPlasticMetal, rubber, polycarbonate
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height155.4 mm167.4 mm
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Width73.3 mm81.4 mm
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Thickness9.75 mm14.6 mm
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Weight152 g266 g
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Waterproof-IP68/IP69K
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Dust proof-IP68/IP69K
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MIL-STD-810H-Yes
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ColorsBlack, Blue, Green, PurpleBlack, Green, Orange
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Display
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Display typeIPS TFTIPS LCD
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Physical size6.09 inches6.0 inches
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Resolution720 x 1560 pixels720 x 1440 pixels
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Pixel density282 ppi268 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant, Corning Gorilla Glass
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Octa-core 2.0 GHz Cortex-A53
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ChipsetUnisoc SC7731EMediaTek Helio G25
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GPUMali-820 MP1PowerVR GE8320
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Memory RAM1 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 5.0-
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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 camera5 MP, f/2.020 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 resolution2560 x 1944 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, 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 camera2 MP8 MP, (wide) , f/2.0 , 80˚
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Selfie camera resolution1920 x 1080 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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NFCNoYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDSYesYes
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Features
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SensorsAccelerometer, light, 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 capacity3380 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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Antutu23006 (v8)102000 (v8)
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Geekbench(single-core)59 (v5.2)166 (v5.2)
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Geekbench(multi-core)185 (v5.2)968 (v5.2)
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Cost
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Price70 USD155 USD
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