Blackview OSCAL C20 vs Oppo A8
Blackview OSCAL C20
Oppo A8
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 900, 2100HSDPA 850, 900, 2100
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4G network-LTE frequency band 1(2100), 5(850), 7(2600), 8(900), 39(1900), 40(2300), 41(2500)
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-072019-12
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Status2021-072019-12
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Design
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BuildPlasticPlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height155.4 mm163.9 mm
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Width73.3 mm75.5 mm
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Thickness9.75 mm8.3 mm
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Weight152 g180 g
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ColorsBlack, Blue, Green, PurpleBlack, Green
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Display
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Display typeIPS TFTIPS LCD capacitive touchscreen
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Physical size6.09 inches6.5 inches
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Resolution720 x 1560 pixels720 x 1600 pixels
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Pixel density282 ppi270 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant
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Multitouch-Yes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 2.3 GHz Cortex-A53
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CPU(second)quad-core 1.8 GHz Cortex-A53
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ChipsetUnisoc SC7731EMediatek MT6765 Helio P35
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GPUMali-820 MP1PowerVR GE8320
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Memory RAM1 GB4 GB
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Internal storage32 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB256 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)ColorOS 6.1 (Android 9.0 Pie)
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Main camera
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Camera typeSingleTriple
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Main camera5 MP, f/2.012 MP, f/1.8
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2 MP, f/2.4 , 1/5" , 1.75 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution2560 x 1944 pixels4032 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, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeAutofocus, 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 typeSingle-
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Selfie camera2 MP8 MP, f/2
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Selfie camera resolution1920 x 1080 pixels3264 x 2448 pixels
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Selfie camera featuresFace unlock-
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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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Wi-Fi display-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 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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NFCNo-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Beidou-Yes
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BDSYes-
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Features
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SensorsAccelerometer, light, proximityAccelerometer, compass, fingerprint, gyroscope, proximity, light
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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 capacity3380 mAh4230 mAh
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Battery removableNon-removableNon-removable
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Tests and performance
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Antutu23006 (v8)-
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Geekbench(single-core)59 (v5.2)-
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Geekbench(multi-core)185 (v5.2)-
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Cost
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Price70 USD170 USD
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