Oppo Watch Stainless steel vs vivo U20
Oppo Watch Stainless steel
vivo U20
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Network
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2G networkN/AGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)
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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, Cat12, 603 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 announced2020-032019-11
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Status2020-032019-11
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Design
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BuildGlass front, stainless steel frame, ceramic/sapphire crystal backPlastic
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SIMeSIMDual SIM (Nano-SIM, dual stand-by)
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Height46 mm162.2 mm
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Width39 mm76.5 mm
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Thickness11.4 mm8.9 mm
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Weight45.5 g193 g
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Waterproof5ATM-
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ECGECG certified-
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ColorsSilverBlack, Blue
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Display
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Display typeAMOLED flexible capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size1.91 inches6.53 inches
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Resolution402 x 476 pixels1080 x 2340 pixels
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Pixel density326 ppi395 ppi
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Display colors1677721616777216
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Protection-Scratch resistant
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Multitouch-Yes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.2 GHz Cortex-A7Dual-core 2.0 GHz Kryo 460 Gold
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CPU(second)Hexa-core 1.7 GHz Kryo 460 Silver
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ChipsetQualcomm MSM8909W Snapdragon Wear 2500Qualcomm SDM675 Snapdragon 675
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GPUAdreno 304Adreno 612
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Memory RAM1 GB4, 6 GB
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Internal storage8 GB64 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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StorageeMMC 4.5-
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OS
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OSColorOS Watch OSFuntouch 9.2 OS (Android 9.0 Pie)
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Main camera
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Camera type-Triple
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Primary cameraNo-
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Main camera16 MP, f/1.8
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8 MP, f/2.2 , 13 mm
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2 MP, f/2.4
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Primary camera resolution-4608 x 3456 pixels
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Primary camera video-2160p@30fps, 1080p@30fps
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Primary camera flash-LED flash
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Camera features-Autofocus, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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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
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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Wi-Fi display-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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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYes-
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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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Beidou-Yes
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BDSYes-
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Features
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SensorsAccelerometer, barometer, gyro, heart rateAccelerometer, compass, fingerprint, gyroscope, light, proximity
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity430 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Wireless chargingYes-
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Cost
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Price450 USD155 USD
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Selfie camera
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Selfie camera16 MP, f/2.0 , 26 mm, 1/3.1" , 1.0 µm
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Selfie camera resolution-4608 x 3456 pixels
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Selfie camera video-1080p@30fps
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Browser
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HTML-HTML5
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