Xiaomi Mi Watch (China) vs vivo Y51 2020
Xiaomi Mi Watch (China)
vivo Y51 2020
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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, 1900HSDPA 850, 900, 2100
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4G networkLTE 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)LTE frequency band 1, 3, 5, 8, 40
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE-A, 630 Mbps download, 150 Mbps upload
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GPRS-Yes
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EDGE-Yes
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Availability
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Status2019-112020-09
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Oficially announced2019-112020-09
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Design
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SIMeSIMHybrid Dual SIM (Nano-SIM, dual stand-by)
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Height44.7 mm159.3 mm
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Width36.9 mm75.2 mm
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Thickness12.3 mm8.7 mm
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Weight44 / 56 g186.7 g
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ColorsBlack, SilverBlack, Blue, White
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Display
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Display typeSuper AMOLED capacitive touchscreenSuper AMOLED
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Physical size1.78 inches6.38 inches
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Resolution368 x 448 pixels1080 x 2340 pixels
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Pixel density326 ppi404 ppi
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Display colors1677721616777216
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.2 GHz Cortex-A7Quad-core 2.0 GHz Kryo 260 Gold
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CPU(second)quad-core 1.8 GHz Kryo 260 Silver
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ChipsetQualcomm Snapdragon Wear 3100Qualcomm SDM665 Snapdragon 665
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GPUAdreno 304Adreno 610
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Internal storage8 GB128 GB
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Memory RAM1 GB4 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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OS
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OSProprietary wearable platformAndroid 10, Funtouch 10
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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Earpiece-Yes
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Multimedia
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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBNoType-C 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYesNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BDSYesYes
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Features
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SensorsAccelerometer, barometer, gyro, heart rateAccelerometer, compass, fingerprint, gyroscope, proximity
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity570 / 590 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge
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Wireless chargingYes-
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Cost
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Price170 USD210 USD
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Main camera
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Camera type-Quad
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Main camera(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm
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(ultrawide) , 2 MP, f/2.2 , 1/4.0" , 1.12 µm
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(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera video-1080p@30fps, gyro-EIS
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Primary camera flash-LED flash
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Camera features-HDR, Panorama
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Selfie camera
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Selfie camera type-Single
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Selfie camera(wide) , 16 MP, f/2.0 , 1/3.06" , 1.0 µm
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Selfie camera features-HDR
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Selfie camera video-1080p@30fps
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Browser
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HTML-HTML5
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