Oppo A78 4G vs Samsung Galaxy M21 2021
Oppo A78 4G
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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66LTE 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 announced2023-072021-07
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Status2023-072021-07
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Design
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BuildPlasticGlass 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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Height160 mm159 mm
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Width73.2 mm75.1 mm
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Thickness7.9 mm9 mm
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Weight180 g192 g
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WaterproofIP54-
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Dust proofIP54-
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ColorsAqua Green, BlackBlack, Blue
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Display
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Display typeAMOLEDSuper AMOLED
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Physical size6.43 inches6.4 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density409 ppi403 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5Scratch resistant, 2.5D curved glass screen
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Display features90Hz, 430 nits420 nits (peak), Infinity U Display
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-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, 256 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max1 TB512 GB
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OS
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OSAndroid 13, ColorOS 13.1Android 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(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 resolution8190 x 6120 pixels8000 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 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 typeSingleSingle
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Selfie camera(wide) , 8 MP, f/2.0 , 83˚ , 1/4" , 1.12 µm(wide) , 20 MP, f/2.2 , 26 mm
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Selfie camera resolution3264 x 2448 pixels-
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Selfie camera featuresFace unlock, HDRFace 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 Hotspot-Yes
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WLAN WiFi Direct-Yes
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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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NFCYes (market dependent)No
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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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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, 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, 67W (76% in 30 min)Fast Charging
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Talk time 4G-49 h
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Tests and performance
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Antutu249000 (v9)186282 (v8)
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Geekbench(single-core)411 (v6)256 (v5.4)
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Geekbench(multi-core)1263 (v6)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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