Prestigio Grace 3878 4G vs vivo Watch 2
Prestigio Grace 3878 4G
vivo Watch 2
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Network
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2G networkGSM 850, 900, 1800, 1900N/A
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3G networkHSDPA 900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 3(1800), 7(2600), 18(800)LTE frequency band 1, 3, 5, 8, 34, 38, 39, 40, 41
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HSDPA speed42 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE Cat 4, 150 Mbps download, 51 Mbps upload-
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GPRSYes-
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EDGEYes-
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Availability
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Status2019-32021-12
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Oficially announced2019-32021-12
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Design
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BuildPlasticGlass front, stainless steel frame 316L
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SIMMicro SIMeSIM
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Height124 mm46.4 mm
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Width208.5 mm46.4 mm
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Thickness9.2 mm11 mm
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Weight321 g47 g
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Waterproof-IP68, 50 m
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Dust proof-IP68
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ColorsBlackBlack, Brown, Silver
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Display
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Display typeIPS capacitive touchscreenAMOLED
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Physical size8 inches1.43 inches
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Resolution1280 x 800 pixels466 x 466 pixels
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Pixel density189 ppi326 ppi
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Display colors16777216-
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MultitouchYes-
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A53
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ChipsetMediatek MT8735-
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GPUMali-T720 MP2-
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Memory RAM1 GB-
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Internal storage16 GB2 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max64 GB-
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OS
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OSAndroid 8.1 Oreo Go EditionProprietary OS
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Main camera
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Camera typeSingle-
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Main camera2 MP
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Primary camera resolution1600 x 1200 pixels-
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Primary camera video720p@30fps-
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Camera featuresDigital zoom, panorama, HDR, face detection, self-timer, scene-mode-
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Selfie camera
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Selfie camera0.3 MP
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Selfie camera resolution640 x 480 pixels-
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Selfie camera video480p@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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Multimedia
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RadioFM RadioNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nNo
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0No
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Bluetoothv4.0v5.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFC-Yes
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GPSYes, with A-GPSYes
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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Features
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SensorsAccelerometer, proximityAccelerometer, altimeter, barometer, compass, heart rate, gyroscope, SpO2
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-Ion-
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Battery capacity3800 mAh-
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Battery removableNon-removable-
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Wireless charging-Yes, 10W
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Cost
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Price-200 USD
