Samsung Galaxy A21s vs Samsung Galaxy M12
Samsung Galaxy A21s
Samsung Galaxy M12
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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, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
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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 speedLTE, Cat4, 151 Mbps download, 51 Mbps uploadLTE, 301 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-052021-02
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Status2020-062021-02
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Design
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BuildPlasticGlass front, plastic back, plastic frame
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.7 mm164 mm
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Width75.3 mm75.9 mm
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Thickness8.9 mm9.7 mm
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Weight192 g221 g
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ColorsBlack, Blue, Red, WhiteBlue, Gray, Green
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Display
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Display typePLS TFT capacitive touchscreenPLS IPS
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Physical size6.5 inches6.5 inches
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Resolution720 x 1600 pixels720 x 1600 pixels
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Pixel density270 ppi270 ppi
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Display colors1677721616777216
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.0 GHz Cortex-A55Quad-core 2.0 GHz Cortex-A55
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CPU(second)quad-core 2.0 GHz Cortex-A55quad-core 2.0 GHz Cortex-A55
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ChipsetExynos 850Exynos 850
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GPUMali-G52Mali-G52
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Memory RAM3, 4, 6 GB3, 4, 6 GB
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Internal storage32, 64 GB32, 64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB1 TB
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Storage-eMMC 5.1
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OS
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OSOne UI 2.0(Android 10)Android 11, One UI 3.0
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Main camera
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Camera typeQuadQuad
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Main camera48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm48 MP, f/2.0 , 1/2" , 0.8 µm, (wide) , 80˚
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8 MP, f/2.2 , 1/4.0" , 1.12 µm5 MP, f/2.2 , 1/5.0" , 1.12 µm, (ultrawide) , 123˚
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2 MP, f/2.42 MP, f/2.4 , (macro)
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2 MP, f/2.42 MP, f/2.4 , (depth)
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Primary camera resolution8000 x 6000 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeAutofocus, digital zoom, geotagging, HDR, touch focus, face detection, self-timer, scene-mode, phase detection autofocus
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Selfie camera
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Selfie camera type-Single
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Selfie camera13 MP, f/2.2 , 1/3.1" , 1.12 µm8 MP, f/2.2
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Selfie camera resolution4160 x 3120 pixels3264 x 2448 pixels
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Selfie camera features-Face 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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LoudspeakerYesYes
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EarpieceYesYes
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-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 1.0 reversible connectorType-C 2.0
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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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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BeidouYes-
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BDS-Yes
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Features
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SensorsAccelerometer, fingerprint, geomagnetic, gyroscope, proximityAccelerometer, fingerprint, 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 chargingYesYes
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Talk time 4G-58 h
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Cost
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Price200 USD140 USD
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Multimedia
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Radio-No
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Tests and performance
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Antutu-142177 (v8)
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Geekbench(single-core)-178 (v5.2)
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Geekbench(multi-core)-1025 (v5.2)
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SAR value
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SAR EU(head)-0.54 W/kg
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SAR EU(body)-1.39 W/kg
