Samsung Galaxy A21 vs Xiaomi Mi Watch (China)
Samsung Galaxy A21
Xiaomi Mi Watch (China)
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100 - USA; CDMA2000 1xEV-DOHSDPA 850, 900, 1900
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USALTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE, Cat4, 151 Mbps download, 51 Mbps upload-
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GPRSYes-
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EDGEYes-
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Availability
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Oficially announced2020-042019-11
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Status2020-062019-11
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Design
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BuildGlass front, plastic back, plastic frame-
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)eSIM
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Height167.8 mm44.7 mm
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Width76.7 mm36.9 mm
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Thickness8.1 mm12.3 mm
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Weight193 g44 / 56 g
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ColorsBlackBlack, Silver
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size6.5 inches1.78 inches
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Resolution720 x 1600 pixels368 x 448 pixels
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Pixel density270 ppi326 ppi
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Display colors1677721616777216
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.3 GHz Cortex-A53Quad-core 1.2 GHz Cortex-A7
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CPU(second)quad-core 1.8 GHz Cortex-A53
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ChipsetMediaTek Helio P35Qualcomm Snapdragon Wear 3100
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GPUPowerVR GE8320Adreno 304
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Memory RAM3 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max512 GB-
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StorageeMMC 5.1-
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OS
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OSOne UI 2.0(Android 10)Proprietary wearable platform
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Main camera
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Camera typeQuad-
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Main camera16 MP, f/1.8 , 1/3.06" , 1.0 µm
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8 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 resolution4608 x 3456 pixels-
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Primary camera video1080p@30fps-
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Primary camera 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-mode-
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Selfie camera
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Selfie camera13 MP, f/2.0
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Selfie camera resolution4160 x 3120 pixels-
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Selfie camera video1080p@30fps-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYes-
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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 HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBType-C 1.0 reversible connectorNo
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYes (market dependent)Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BeidouYes-
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BDS-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, barometer, gyro, heart rate
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4000 mAh570 / 590 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-
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Wireless charging-Yes
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Cost
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Price140 USD170 USD
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Multimedia
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Radio-No
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