Apple Watch Series 6 Aluminum 40mm Cellular vs Bravis NB851
Apple Watch Series 6 Aluminum 40mm Cellular
Bravis NB851
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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, 1700(AWS), 1900, 2100HSDPA 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66-
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HSDPA speed-21 Mbps
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HSUPA speed-5.76 Mbps
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GPRS-Yes
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Availability
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Oficially announced2020-092018-10
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Status2020-092018-10
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Design
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BuildGlass front, ceramic/sapphire crystal back, aluminum framePlastic
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SIMeSIMDual SIM (dual stand-by)
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Height40 mm122.8 mm
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Width34 mm206.5 mm
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Thickness10.4 mm7.7 mm
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Weight30.5 g332 g
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Waterproof50 m-
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ColorsBlue, Gray, Gold, Red, SilverBlack
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Display
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Display typeRetina LTPO OLEDIPS capacitive touchscreen
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Physical size1.57 inches8 inches
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Resolution394 x 324 pixels1280 x 800 pixels
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Pixel density326 ppi189 ppi
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Display colors1677721616777216
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ProtectionIon-X strengthened glass-
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Multitouch-Yes
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Display features1000 nits (peak), Always-on display-
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Hardware
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CPUDual-coreQuad-core 1.3 GHz Cortex-A7
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ChipsetApple S6Mediatek MT8321
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GPUPowerVRMali-400 MP2
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Memory RAM1 GB1 GB
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Internal storage32 GB16 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-32 GB
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OS
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OSwatchOS 7.0, upgradable to 7.1Android 8.1 Oreo
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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 Dual BandYes-
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USBNomicroUSB 2.0
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Bluetoothv5.0v4.0
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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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GALILEOYes-
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QZSSYes-
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Features
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SensorsAccelerometer, always-on altimeter, barometer, compass, gyroscope, heart rate, SpO2, VO2maxAccelerometer
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity266 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Wireless chargingYes-
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Standby time18 h-
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Cost
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Price620 USD-
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Main camera
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Camera type-Single
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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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Primary camera flash-LED flash
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Camera features-Continuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, self-timer
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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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