Oppo A77 4G vs Xiaomi Redmi 8A Dual
Oppo A77 4G
Xiaomi Redmi 8A Dual
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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 800, 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 38, 40, 41LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-082020-02
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Status2022-082020-02
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Design
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BuildGlass front, plastic frame, plastic or leather backPlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.8 mm156.5 mm
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Width75.1 mm75.4 mm
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Thickness8 mm9.4 mm
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Weight187/189 g188 g
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WaterproofIP54-
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Splash resistant-Yes
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Dust proofIP54-
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ColorsBlue, OrangeBlack, Blue, Red
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Display
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Display typeIPS LCDIPS LCD capacitive touchscreen
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Physical size6.56 inches6.22 inches
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Resolution720 x 1612 pixels720 x 1520 pixels
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Pixel density269 ppi270 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screenCorning Gorilla Glass 5
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Multitouch-Yes
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Display features90Hz, 480 nits (typ), 600 nits (HBM)400 nits typ. brightness
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A53Quad-core 1.95 GHz Cortex-A53
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CPU(second)quad-core 1.8 GHz Cortex-A53quad-core 1.45 GHz Cortex-A53
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ChipsetMediaTek MT6765G Helio G35Qualcomm SDM439 Snapdragon 439
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GPUPowerVR GE8320Adreno 505
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Memory RAM4 GB2, 3 GB
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Internal storage64 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB-
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StorageUFS 2.2eMMC 5.1
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OS
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OSAndroid 12, ColorOS 12.1MIUI 11 (Android 9.0 Pie)
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Main camera
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Camera typeDualDual
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Main camera(wide) , 50 MP, f/1.8 , 81˚13 MP, f/2.2 , 1/3.1" , 1.12 µm
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(depth) , 2 MP, f/2.4 , 89˚2 MP, f/2.4
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera features-HDR, Panorama
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera(wide) , 2 MP, f/2.48 MP, f/2.0 , 1/4" , 1.12 µm
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Selfie camera featuresPanorama-
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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EarpieceYesYes
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Multimedia
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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYes-
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USBType-C 2.0Type-C reversible connector
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USB On-The-GoYesYes
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD-
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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Beidou-Yes
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BDSYes-
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QZSSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, proximityAccelerometer, compass, proximity
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Power bank function-Yes
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity5000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingSuperVOOC, 33W (100% in 69 min)Yes
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Cost
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Price200 USD90 USD
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