Oppo A77 5G vs Samsung Galaxy M21
Oppo A77 5G
Samsung Galaxy M21
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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, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
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5G network5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 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 speedLTELTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-062020-03
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Status2022-062020-03
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Design
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BuildGlass front, plastic frame, plastic backGlass front, plastic back, plastic frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.8 mm159 mm
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Width75.1 mm75.1 mm
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Thickness8 mm8.9 mm
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Weight190 g188 g
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WaterproofIPX4-
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Dust proofIPX4-
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ColorsBlack, BlueBlack, Blue
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Display
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Display typeIPS LCDSuper AMOLED capacitive touchscreen
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Physical size6.56 inches6.4 inches
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Resolution720 x 1612 pixels1080 x 2340 pixels
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Pixel density269 ppi403 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen2.5D curved glass screen, Corning Gorilla Glass 3
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Multitouch-Yes
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Display features480 nits (typ), 600 nits (HBM)420 nits max brightness
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.4 GHz Cortex-A76Quad-core 2.3 GHz Cortex-A73
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CPU(second)Hexa-core 2.0 GHz Cortex-A55quad-core 1.7 GHz Cortex-A53
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ChipsetMediaTek MT6833P Dimensity 810Exynos 9611
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GPUMali-G57 MC2Mali-G72 MP3
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Memory RAM6 GB4, 6 GB
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Internal storage128 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max-512 GB
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StorageUFS 2.2UFS 2.1
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OS
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OSAndroid 12, ColorOS 12.1One UI 2 (Android 10.0)
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 48 MP, f/1.7 , 80˚ , 26 mm48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm
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(depth) , 2 MP, f/2.4 , 89˚8 MP, f/2.2 , 12 mm, 1/4.0" , 1.12 µm
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5 MP, f/2.2
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Primary camera resolution8000 x 6000 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps2160p@30fps, 1080p@30fps, gyro-EIS
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocusAutofocus, continuous shooting, digital zoom, 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 typeSingle-
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Selfie camera(wide) , 8 MP, f/2.0 , 79˚ , 26 mm20 MP, f/2.0 , 26 mm
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Selfie camera resolution3264 x 2448 pixels-
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Selfie camera featuresFace unlock, HDR-
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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 with RDS
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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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USBType-C 2.0Type-C 1.0 reversible connector
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USB On-The-GoYes-
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Bluetoothv5.3v5.0
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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, fingerprint, gyroscope, proximity
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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 mAh6000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingSuperVOOC, 33W (53% in 30 min)Yes
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Tests and performance
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Antutu355000 (v9)-
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Geekbench(single-core)591 (v5.4)-
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Geekbench(multi-core)1771 (v5.4)-
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Cost
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Price290 USD180 USD