Blackview OSCAL C20 vs Lenovo A7
Blackview OSCAL C20
Lenovo A7
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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 900, 2100HSDPA 850, 900, 2100
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4G network-LTE frequency band 1, 3, 5, 8, 38, 40, 41
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-072020-09
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Status2021-072020-10
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Design
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BuildPlastic-
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height155.4 mm155 mm
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Width73.3 mm73 mm
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Thickness9.75 mm9.2 mm
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Weight152 g172 g
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ColorsBlack, Blue, Green, PurpleBlack, Blue
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Display
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Display typeIPS TFTIPS LCD
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Physical size6.09 inches6.09 inches
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Resolution720 x 1560 pixels720 x 1560 pixels
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Pixel density282 ppi282 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen2.5D curved glass screen
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.6 GHz Cortex-A55
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CPU(second)quad-core 1.2 GHz Cortex-A55
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ChipsetUnisoc SC7731EUnisoc SC9863A
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GPUMali-820 MP1PowerVR GE8322
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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 GB128 GB
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StorageeMMC 5.0eMMC 5.1
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OS
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OSDoke OS 2.0 (Android 11 Go Edition)Android 9.0 Pie, ZUI
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Main camera
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Camera typeSingleDual
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Main camera5 MP, f/2.013 MP, f/1.8 , (wide) , 1/3.1" , 1.12 µm
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(depth) , 2 MP, f/2.4
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Primary camera resolution2560 x 1944 pixels4224 x 3126 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, continuous shooting, digital zoom, digital image stabilization, 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 typeSingleSingle
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Selfie camera2 MP5 MP, f/2.2 , 1.12 µm
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Selfie camera resolution1920 x 1080 pixels2592 x 1944 pixels
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Selfie camera featuresFace unlock-
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Selfie camera video720p@30fps720p@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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFCNoNo
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GPSYes, with A-GPSYes, with A-GPS
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BDSYes-
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Features
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SensorsAccelerometer, light, proximityAccelerometer, 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 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Tests and performance
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Antutu23006 (v8)101355 (v8)
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Geekbench(single-core)59 (v5.2)130 (v5.2)
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Geekbench(multi-core)185 (v5.2)451 (v5.2)
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Cost
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Price70 USD120 USD
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