Xiaomi Redmi Watch vs vivo Y81
Xiaomi Redmi Watch
vivo Y81
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Network
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2G networkN/AGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkN/AHSDPA 850, 900, 2100
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4G networkN/ALTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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LTE speed-LTE, Cat7, 301 Mbps download, 102 Mbps upload
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GPRS-Yes
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EDGE-Yes
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Availability
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Oficially announced2020-112018-6
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Status2020-122018-6
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Design
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BuildPlastic back, plastic frameAluminium alloy, plastic
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SIMNoDual SIM (Nano-SIM, dual stand-by)
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Height41 mm155 mm
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Width35 mm75 mm
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Thickness11.9 mm7.77 mm
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Weight35 g146 g
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Waterproof5ATM (up to 50 meters)-
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ColorsBlack, Blue, IvoryBlack
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Display
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Display typeIPS LCDIPS capacitive touchscreen
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Physical size1.4 inches6.22 inches
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Resolution320 x 320 pixels720 x 1520 pixels
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Pixel density323 ppi270 ppi
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Display colors-16777216
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Protection-Corning Gorilla Glass
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Multitouch-Yes
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Hardware
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CPU-Octa-core
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CPUQuad-core 2.0 GHz Cortex-A53
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CPU(second)quad-core 1.5 GHz Cortex-A53
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Chipset-MediaTek Helio P22 MT6762
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GPU-PowerVR GE8320
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Memory RAM-3 GB
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Internal storage-32 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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Storage-eMMC 5.1
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PhonebookNo-
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Call recordsNo-
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Sound
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3.5mm jackNoYes
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LoudspeakerNoYes
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Earpiece-Yes
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Multimedia
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RadioNoNo
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Connectivity
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WLANNoWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz
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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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USBNomicroUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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NFCYes-
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GPSNoYes, with A-GPS
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GLONASS-Yes
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Features
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Messaging EmailYes-
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Messaging IMYes-
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JavaNo-
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GamesNo-
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SensorsAccelerometer, compass, heart rateAccelerometer, gyroscope, light, proximity
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity230 mAh3260 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Cost
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Price40 USD-
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OS
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OS-Android 8.1 Oreo
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Main camera
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Main camera13 MP, f/2.2
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video-1080p@30fps
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Primary camera flash-LED flash
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Camera features-Autofocus, 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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Selfie camera
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Selfie camera5 MP, f/2.2
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Selfie camera resolution-2592 x 1944 pixels
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Selfie camera video-1080p@30fps
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Browser
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HTML-HTML5