Oppo A57s vs Samsung Galaxy A21
Oppo A57s
Samsung Galaxy A21
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 850, 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100 - USA; CDMA2000 1xEV-DO
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4G networkLTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA
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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, Cat4, 151 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-082020-04
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Status2022-092020-06
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Design
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BuildGlass front (Panda Glass), plastic frame, plastic backGlass front, plastic back, plastic frame
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height163.8 mm167.8 mm
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Width75 mm76.7 mm
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Thickness8 mm8.1 mm
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Weight187 g193 g
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WaterproofIPX4-
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Dust proofIP5X-
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ColorsBlack, BlueBlack
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Display
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Display typeIPS LCDIPS LCD capacitive touchscreen
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Physical size6.56 inches6.5 inches
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Resolution720 x 1612 pixels720 x 1600 pixels
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Pixel density269 ppi270 ppi
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Display colors1677721616777216
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Display features480 nits (typ), 600 nits (HBM)-
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A53Quad-core 2.3 GHz Cortex-A53
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CPU(second)quad-core 1.8 GHz Cortex-A53quad-core 1.8 GHz Cortex-A53
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ChipsetMediaTek MT6765G Helio G35MediaTek Helio P35
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GPUPowerVR GE8320PowerVR GE8320
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Memory RAM4 GB3 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 max1 TB512 GB
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StorageeMMC 5.1eMMC 5.1
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OS
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OSAndroid 12, ColorOS 12.1One UI 2.0(Android 10)
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Main camera
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Camera typeDualQuad
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Main camera(wide) , 50 MP, f/1.8 , 27 mm, 0.64 µm16 MP, f/1.8 , 1.0 µm, 1/3.06"
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(depth) , 2 MP, f/2.48 MP, f/2.2 , 1/4.0" , 1.12 µm
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2 MP, f/2.4
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2 MP, f/2.4
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Primary camera resolution-4608 x 3456 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresHDR, PanoramaAutofocus, continuous shooting, digital zoom, 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 typeSingle-
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Selfie camera(wide) , 8 MP, f/2.0 , 26 mm13 MP, f/2.0
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Selfie camera resolution-4160 x 3120 pixels
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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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RadioNo-
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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 BandYesYes
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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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NFCYesYes (market dependent)
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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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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 mAh4000 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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Tests and performance
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Antutu110000 (v8)-
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Cost
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Price190 USD140 USD
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