Bravis NB871 4G vs Samsung Gear S2 classic 3G
Bravis NB871 4G
Samsung Gear S2 classic 3G
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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 900, 2100HSDPA
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600)-
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HSDPA speed21 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE Cat4, 150.8 Mbps download, 51.0 Mbps upload-
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GPRSYesNo
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EDGE-No
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Availability
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Oficially announced2018-102016-2
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Status2018-102016-3
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Design
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BuildPlasticStainless Steel
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SIMDual SIM (dual stand-by)Electronic SIM card (e-SIM)
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Height122.8 mm44 mm
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Width206.5 mm46.9 mm
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Thickness7.7 mm13.4 mm
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Weight332 g54 g
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ColorsBlackBlack, Rose Gold, ceramic bracelet
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Display
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Display typeIPS capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size8 inches1.2 inches
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Resolution1280 x 800 pixels360 x 360 pixels
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Pixel density189 ppi424 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 3
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A53Dual-core 1.0 GHz Cortex-A7 ARM
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ChipsetMediatek MT8735Exynos 3250 Dual
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GPUMali-T720 MP2Mali-400MP2
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Memory RAM1 GB512 MB
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Internal storage16 GB4 GB
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Memory cardmicroSD, microSDHC, microSDXC
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Memory card max32 GB-
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OS
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OSAndroid 8.1 OreoTizen-based wearable platform
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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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Primary camera flashLED flash-
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Camera featuresContinuous 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 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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Notifications-Vibration; MP3, WAV ringtones
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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, 802.11nWi-Fi 802.11b, 802.11g, 802.11n, 802.11e
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USBmicroUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.0v4.1
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Bluetooth A2DPYes-
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NFC-Yes
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GPSYes, with A-GPSNo
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Java-No
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SensorsAccelerometerAccelerometer, barometer, gyro, heart rate
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Browser
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HTMLHTML5-
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Browser-No
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4000 mAh300 mAh
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Battery removableNon-removableNon-removable
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Talk time-48 h
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Standby time 3G-48 h
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