Samsung Galaxy S21 5G vs Xiaomi Mi A3
Samsung Galaxy S21 5G
Xiaomi Mi A3
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMAGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 1700, 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300)
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5G network5G band SA/NSA/Sub6/mmWave-
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HSDPA speed42.2 Mbps42 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A (CA), 2000 Mbps download, 200 Mbps uploadLTE, Cat12, 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 announced2021-012019-7
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Status2021-012019-7
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Design
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BuildGlass front (Gorilla Glass Victus), plastic back, aluminum frameAluminium alloy, glass
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SIMSingle SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height151.7 mm153.48 mm
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Width71.2 mm71.85 mm
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Thickness7.9 mm8.48 mm
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Weight169 (Sub6) / 171 (mmWave) g173 g
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PaymentSamsung Pay (Visa, MasterCard certified)-
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WaterproofIP68 (1.5m and 30 mins)-
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Dust proofIP68-
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ColorsGray, Pink, Violet, WhiteBlack, Blue, White
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Display
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Display typeDynamic AMOLED 2XSuper AMOLED capacitive touchscreen
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Physical size6.2 inches6.09 inches
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Resolution1080 x 2400 pixels720 x 1560 pixels
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Pixel density421 ppi282 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass VictusScratch resistant, Corning Gorilla Glass 5
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Multitouch-Yes
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Display features120Hz, HDR10+, 1300 nits (peak), Infinity-O display, Always-On displayHDR10, DC dimming
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.9 GHz Cortex-X1Quad-core 2.0 GHz Kryo 260
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CPU(second)Triple-core 2.80 GHz Cortex-A78quad-core 1.8 GHz Kryo 260
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CPU(third)Quad-core 2.2 GHz Cortex-A55
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ChipsetExynos 2100Qualcomm SDM665 Snapdragon 665
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GPUMali-G78 MP14Adreno 610
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Internal storage128, 256 GB64, 128 GB
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Memory RAM8 GB4 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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StorageUFS 3.XUFS 2.1
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OS
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OSAndroid 11, One UI 3.1Android 9.0 Pie
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 µm48 MP, f/1.79 , 1/2" , 0.8 µm
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(telephoto) , 64 MP, f/2.0 , 29 mm, 1/1.72" , 0.8 µm, 1.1x optical zoom , 3x hybrid zoom8 MP, f/2.2 , 1.12 µm
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120˚ , (ultrawide) , 12 MP, f/2.2 , 13 mm, 1/2.55" , 1.4 µm2 MP, f/2.4 , 1.75 µm
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Primary camera resolution4032 x 3024 pixels8000 x 6000 pixels
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Primary camera video8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS2160p@30fps, 1080p@30/60/120fps
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Primary camera flashLED flashdual-LED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, optical zoom, optical 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, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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DxOMark photo123-
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DxOMark zoom77-
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DxOMark video93-
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DxOMark camera score116-
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Selfie camera
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Selfie camera(wide) , 10 MP, f/2.2 , 80˚ , 26 mm, 1/3.24" , 1.22 µm32 MP, f/2.0 , 0.8 µm
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Selfie camera resolution3648 x 2736 pixels6528 x 4896 pixels
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Selfie camera featuresAutofocus, HDR, phase detection autofocus-
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Selfie camera video4K@30/60fps, 1080p@30fps1080p@30fps
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DxOMark photo100-
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DxOMark video95-
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DxOMark camera score98-
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with stereo speakersYes
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EarpieceYesYes
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 6EWi-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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Wi-Fi display-Yes
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WLAN WiFi Dual BandYesYes
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USBType-C 3.2Type-C 1.0 reversible connector
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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 HID-Yes
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bluetooth LEYesYes
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Bluetooth EDR-Yes
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Bluetooth AptX-aptX HD
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Infrared-Yes
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NFCYesYes
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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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Beidou-Yes
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BDSYes-
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximityAccelerometer, compass, gyroscope, fingerprint, light, proximity, in-display fingerprint sensor
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity4000 mAh4030 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQualcomm Quick Charge 4.0
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Wireless reverse chargingYes-
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Fast wireless chargingQi/PMA-
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Tests and performance
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Antutu677991 (v8)-
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Geekbench(single-core)828 (v5.2)-
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Geekbench(multi-core)2897 (v5.2)-
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SAR value
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SAR(head)0.74 W/kg-
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SAR(body)1.08 W/kg-
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SAR EU(head)0.46 W/kg-
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SAR EU(body)1.51 W/kg-
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Cost
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Price800 USD280 USD
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Multimedia
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Radio-FM Radio