Oppo A77s vs Samsung Galaxy M21 2021
Oppo A77s
Samsung Galaxy M21 2021
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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 850, 900, 1900, 2100
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4G networkLTE frequency band 1, 3, 5, 7, 8, 28, 38, 40, 41LTE frequency band 1, 3, 5, 7, 8, 20, 38, 40, 41
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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, 603 Mbps download, 102 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-102021-07
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Status2022-102021-07
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Design
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BuildGlass front, plastic frame, plastic back or eco leather 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 mm75.1 mm
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Thickness8 mm9 mm
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Weight187/190 g192 g
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WaterproofIP54-
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Dust proofIP54-
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ColorsBlack, OrangeBlack, Blue
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Display
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Display typeIPS LCDSuper AMOLED
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Physical size6.56 inches6.4 inches
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Resolution720 x 1612 pixels1080 x 2400 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 screenScratch resistant, 2.5D curved glass screen
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Display features90Hz, 480 nits (typ), 600 nits (HBM)420 nits (peak), Infinity U Display
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.4 GHz Kryo 265 GoldQuad-core 2.3 GHz Cortex-A73
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CPU(second)quad-core 1.9 GHz Kryo 265 Silverquad-core 1.7 GHz Cortex-A53
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ChipsetQualcomm SM6225 Snapdragon 680 4GExynos 9611
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GPUAdreno 610Mali-G72 MP3
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Memory RAM8 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 max64 GB512 GB
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StorageUFS 2.2-
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OS
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OSAndroid 12, ColorOS 12.1Android 11, One UI 3.1 Core
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 50 MP, f/1.8 , 77˚(wide) , 48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm
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(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm(ultrawide) , 8 MP, f/2.2 , 123˚ , 1/4.0" , 1.12 µm
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(depth) , 5 MP, f/2.2
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
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Primary camera flashLED flashLED flash
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Camera features-Autofocus, 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 typeSingleSingle
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Selfie camera(wide) , 8 MP, f/2.0 , 26 mm(wide) , 20 MP, f/2.2 , 26 mm
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Selfie camera resolution3264 x 2448 pixels-
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Selfie camera featuresPanoramaFace unlock
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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, RDS, recording
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYesYes
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD-
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NFCYesNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BDSYesYes
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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 (100% in 69 min)Fast Charging
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Talk time 4G-49 h
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Tests and performance
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Antutu-186282 (v8)
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Geekbench(single-core)380 (v5.2)256 (v5.4)
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Geekbench(multi-core)1657 (v5.2)994 (v5.4)
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Cost
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Price220 USD170 USD
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SAR value
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SAR(head)-0.47 W/kg
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SAR EU(head)-0.49 W/kg
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SAR EU(body)-1.13 W/kg
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