Oppo Watch Stainless steel vs Prestigio Grace 3878 4G
Oppo Watch Stainless steel
Prestigio Grace 3878 4G
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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 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 3(1800), 7(2600), 18(800)
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HSDPA speed-42 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE Cat 4, 150 Mbps download, 51 Mbps upload
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GPRS-Yes
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EDGE-Yes
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Availability
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Oficially announced2020-032019-3
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Status2020-032019-3
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Design
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BuildGlass front, stainless steel frame, ceramic/sapphire crystal backPlastic
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SIMeSIMMicro SIM
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Height46 mm124 mm
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Width39 mm208.5 mm
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Thickness11.4 mm9.2 mm
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Weight45.5 g321 g
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Waterproof5ATM-
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ECGECG certified-
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ColorsSilverBlack
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Display
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Display typeAMOLED flexible capacitive touchscreenIPS capacitive touchscreen
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Physical size1.91 inches8 inches
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Resolution402 x 476 pixels1280 x 800 pixels
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Pixel density326 ppi189 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPUQuad-core 1.2 GHz Cortex-A7Quad-core 1.3 GHz Cortex-A53
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ChipsetQualcomm MSM8909W Snapdragon Wear 2500Mediatek MT8735
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GPUAdreno 304Mali-T720 MP2
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Memory RAM1 GB1 GB
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Internal storage8 GB16 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-64 GB
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StorageeMMC 4.5-
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OS
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OSColorOS Watch OSAndroid 8.1 Oreo Go Edition
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Main camera
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Camera type-Single
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Primary cameraNo-
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Main camera2 MP
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Primary camera resolution-1600 x 1200 pixels
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Primary camera video-720p@30fps
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Camera features-Digital zoom, panorama, HDR, face detection, 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 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBNomicroUSB 2.0
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Bluetoothv4.2v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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BDSYes-
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Features
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SensorsAccelerometer, barometer, gyro, heart rateAccelerometer, proximity
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity430 mAh3800 mAh
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Battery removableNon-removableNon-removable
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Wireless chargingYes-
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Cost
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Price450 USD-
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Selfie camera
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Selfie camera0.3 MP
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Selfie camera resolution-640 x 480 pixels
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Selfie camera video-480p@30fps
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Browser
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HTML-HTML5
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