Blackview OSCAL C20 Pro vs Oppo A78
Blackview OSCAL C20 Pro
Oppo A78
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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 850, 900, 2100HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 40LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
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5G network-5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
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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, 150 Mbps download, 51 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-092023-01
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Status2021-092023-01
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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 mm163.8 mm
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Width73.5 mm75.1 mm
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Thickness9.5 mm8 mm
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Weight156 g188 g
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Waterproof-IP54
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Dust proof-IP54
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ColorsBlack, Blue, Green, PurpleBlack, Purple
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Display
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Display typeIPS TFTIPS LCD
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Physical size6.09 inches6.56 inches
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Resolution720 x 1560 pixels720 x 1612 pixels
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Pixel density282 ppi269 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant, 2.5D curved glass screen, Panda glass
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Display features-90Hz, 480 nits (typ), 600 nits (HBM)
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 1.6 GHz Cortex-A55Dual-core 2.2 GHz Cortex-A76
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CPU(second)quad-core 1.2 GHz Cortex-A55Hexa-core 2.0 GHz Cortex-A55
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ChipsetUnisoc SC9863AMediaTek MT6833 Dimensity 700
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GPUPowerVR GE8322Mali-G57 MC2
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Internal storage32 GB128 GB
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Memory RAM2 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB1 TB
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StorageeMMC 5.0UFS 2.2
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OS
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OSDoke OS 2.0 (Android 11 Go Edition)Android 12, ColorOS 13
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Main camera
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Camera typeSingleDual
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Main camera8 MP, f/2.0 , 1.12 µm50 MP, f/1.8 , (wide) , 77˚ , 27 mm
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(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm
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Primary camera resolution3264 x 2448 pixels8190 x 6120 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, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera2 MP, 1.75 µm8 MP, 1.12 µm, (wide) , f/2.0 , 77˚ , 27 mm, 1/4"
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Selfie camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Selfie camera featuresFace detectionFace 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, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioFM RadioNo
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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 HotspotYes-
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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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Bluetoothv4.2v5.3
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth AptX-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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BDS-Yes
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QZSS-Yes
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Features
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SensorsAccelerometer, light, 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 capacity3380 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingNoSuperVOOC, 33W (53% in 30 min, 100% in 67 min)
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Talk time 4G-22.9 h
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Tests and performance
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Antutu72394 (v9)324000 (v9)
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Geekbench(single-core)138 (v5.2)575 (v5.2)
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Geekbench(multi-core)628 (v5.2)1785 (v5.2)
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Cost
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Price80 USD250 USD
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