Samsung Galaxy S21 5G vs Xiaomi Mi Watch (China)
Samsung Galaxy S21 5G
Xiaomi Mi Watch (China)
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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, 1900
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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), 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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5G network5G band SA/NSA/Sub6/mmWave-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE-A (CA), 2000 Mbps download, 200 Mbps upload-
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GPRSYes-
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EDGEYes-
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Availability
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Oficially announced2021-012019-11
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Status2021-012019-11
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Design
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BuildGlass front (Gorilla Glass Victus), plastic back, aluminum frame-
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SIMSingle SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)eSIM
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Height151.7 mm44.7 mm
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Width71.2 mm36.9 mm
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Thickness7.9 mm12.3 mm
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Weight169 (Sub6) / 171 (mmWave) g44 / 56 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, Silver
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Display
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Display typeDynamic AMOLED 2XSuper AMOLED capacitive touchscreen
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Physical size6.2 inches1.78 inches
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Resolution1080 x 2400 pixels368 x 448 pixels
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Pixel density421 ppi326 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass Victus-
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Display features120Hz, HDR10+, 1300 nits (peak), Infinity-O display, Always-On display-
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Hardware
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CPUOcta-core-
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CPUSingle-core 2.9 GHz Cortex-X1Quad-core 1.2 GHz Cortex-A7
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CPU(second)Triple-core 2.80 GHz Cortex-A78
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CPU(third)Quad-core 2.2 GHz Cortex-A55
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ChipsetExynos 2100Qualcomm Snapdragon Wear 3100
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GPUMali-G78 MP14Adreno 304
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Memory RAM8 GB1 GB
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Internal storage128, 256 GB8 GB
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Memory cardNoNo
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StorageUFS 3.X-
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OS
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OSAndroid 11, One UI 3.1Proprietary wearable platform
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Main camera
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Camera typeTriple-
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Main camera(wide) , 12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 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 zoom
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120˚ , (ultrawide) , 12 MP, f/2.2 , 13 mm, 1/2.55" , 1.4 µm
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Primary camera resolution4032 x 3024 pixels-
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Primary camera video8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS-
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Primary camera flashLED 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 autofocus-
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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 µm
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Selfie camera resolution3648 x 2736 pixels-
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Selfie camera featuresAutofocus, HDR, phase detection autofocus-
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Selfie camera video4K@30/60fps, 1080p@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 jackNoNo
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LoudspeakerYes, with stereo speakersYes
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EarpieceYes-
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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 802.11b, 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 3.2No
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USB On-The-GoYes-
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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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GALILEOYes-
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BDSYesYes
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Features
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SensorsAccelerometer, barometer, 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-IonLi-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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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 USD170 USD
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Multimedia
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Radio-No