Samsung Galaxy M51 vs Xiaomi Mi Watch (China)
Samsung Galaxy M51
Xiaomi Mi Watch (China)
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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, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66LTE 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-A, (2CA) Cat6, 400 Mbps download, 50 Mbps upload-
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GPRSYes-
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EDGEYes-
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Availability
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Oficially announced2020-082019-11
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Status2020-092019-11
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Design
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BuildGlass front (Gorilla Glass 3), plastic back, plastic frame-
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SIMDual SIM (Nano-SIM, dual stand-by)eSIM
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Height163.9 mm44.7 mm
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Width76.3 mm36.9 mm
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Thickness9.5 mm12.3 mm
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Weight213 g44 / 56 g
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ColorsBlack, BlueBlack, Silver
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Display
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Display typeSuper AMOLED PlusSuper AMOLED capacitive touchscreen
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Physical size6.7 inches1.78 inches
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Resolution1080 x 2400 pixels368 x 448 pixels
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Pixel density393 ppi326 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3-
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.2 GHz Kryo 470 GoldQuad-core 1.2 GHz Cortex-A7
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CPU(second)Hexa-core 1.8 GHz Kryo 470 Silver
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ChipsetQualcomm SDM730 Snapdragon 730GQualcomm Snapdragon Wear 3100
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GPUAdreno 618Adreno 304
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Memory RAM6, 8 GB1 GB
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Internal storage128 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max512 GB-
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StorageUFS 2.1-
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OS
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OSAndroid 10, One UI 2.5Proprietary wearable platform
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Main camera
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Camera typeQuad-
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Main camera(wide) , 64 MP, f/1.8 , 26 mm, 1/1.73" , 0.8 µm
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(ultrawide) , 12 MP, f/2.2 , 123˚ , 1.12 µm
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(macro) , 5 MP, f/2.4
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(depth) , 5 MP, f/2.4 , 1.12 µm
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Primary camera resolution9280 x 6944 pixels-
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Primary camera video4K@30fps, 1080p@30fps-
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Primary camera flashLED flash-
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Camera featuresAutofocus, continuous shooting, digital zoom, digital 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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Selfie camera
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Selfie camera(wide) , 32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm
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Selfie camera resolution6560 x 4928 pixels-
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Selfie camera video4K@30fps, 1080p@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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBType-C 2.0No
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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, 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 capacity7000 mAh570 / 590 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes (100% in 115 min)-
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Reverse chargingYes-
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Wireless charging-Yes
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DxOMark autonomy96-
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DxOMark charging61-
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DxOMark efficiency87-
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DxOMark battery score88-
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Tests and performance
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Antutu275000 (v8)-
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Geekbench(single-core)1592 (v5.2)-
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Geekbench(multi-core)4211 (v5.2)-
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SAR value
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SAR(head)1.38 W/kg-
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SAR EU(head)0.61 W/kg-
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SAR EU(body)1.45 W/kg-
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Cost
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Price440 USD170 USD
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Multimedia
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Radio-No
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